Cyphort Labs presents "Malware's Most Wanted: Ransomware Resurgence: Locky and Other “New Cryptolockers”
Like many viruses, botnets and malware families that we’ve seen over the past decade, hackers continue to find new ways of reinventing old threats. And this is no different for Ransomware.
Ransomware has come a long way from non-encrypting lockscreen FBI scare warnings like Reveton. In 2016 alone, there have been new ransomware families popping up and we expect that to only pick up steam over the summer.
In this edition of MMW, Nick Bilogorskiy, Senior Director of Threat Operations at Cyphort, will discuss:
Locky, the new “it” ransomware and how it works
A deep dive into a new family of ransom locker discovered by Cyphort Labs in March, that uses TOR Hidden Service
Other new ransomware families and why it’s becoming the preferred monetization method for attackers
Nick Bilogorskiy presentation on Ransomware, Cryptolocker and Cryptowall at Rochester Security Summit 2015.
Fake Antivirus
History of Ransomware
Cryptolocker
Cryptowall
Conclusions
Understanding Malware Lateral Spread Used in High Value AttacksCyphort
APTs are known to use advanced Techniques, Tactics, and Procedures (TTP), including advanced malware design with protection layers, sandboxing evasion, and lateral movement inside penetrated networks to seek out high value targets. In this webinar, Nick Bilogorskiy of Cyphort Labs will review various lateral movement techniques and methods used by advanced threats in the past. He will look at some APT samples, e.g. Shamoon, in detail to show the specific steps in the lateral movement by the malware. Understanding the lateral movement of APT should help security defenders to better select and implement protection solutions.
Malware's Most Wanted: The Many Faces of MalwareCyphort
There has been extensive research done on malware code structures and system behaviors, often times hidden from unsuspecting eyes. Screen shots of malware execution have been shared in the passing, but were rarely the focus. It will be remiss if we did not pay enough attention to what malware looks like in their victims’ face.
Nick Bilogorskiy, Director of Security Research at Cyphort has studied a representative set of malware samples, including Adware and PUPs (potentially unwanted programs) and shares the screenshots from the perspective of how they interact with users, and how they can be helpful in identifying such malware.
Malware's Most Wanted: Linux and Internet of Things MalwareCyphort
Marion Marschalek speaks about Linux and Internet of things Malware.
Occasionally we see samples coming out of our pipe which do not fit with the stream of malware, such as clickjackers, banking Trojans and spybots. These exotic creatures are dedicated to target platforms other than the Windows operating system. While they make up for a significantly smaller portion than the load of Windows malware, Cyphort labs has registered a rise in Linux and Internet of Things Malware (IoT) malware. A number of different families has been seen. But what is their level of sophistication and the associated risk? This webinar provides an overview of Linux and IoT malware that Cyphort labs has spotted in the wild and gives an insight into the development of these threats and the direction they are taking.
Most notable apt_ attacks_of_2015_and_2016 predictionsCyphort
This season is the time to consider the year in review and the year to come. Nick will review the biggest malware attacks and breaches of the year, including OPM breach, Apple App store malware, Ashley Madison and Hacking Team. Then it’s on to the future as Nick unveils his security predictions for 2016.
Banking or Financial Trojans are already notorious because they have been around for a while, and they count both consumers and financial institutions among their victims. To help better defend against this class of malware, we share analyses of some recent families of financial Trojans. Nick Bilogorskiy, Cyphort's Director of Security Research, looks at the specific characteristics associated with a financial Trojan in terms of distribution channel, armoring behavior, attack payload, actors, etc in this presentation.
Malware's Most Wanted: Malvertising Attacks on Huffingtonpost, Yahoo, AOLCyphort
Malvertising Attacks on Huffingtonpost, Yahoo, AOL
Cyphort Labs has reported an uptick in drive-by-infection through malvertising in 2014 and sounded alarms for the web property owners regarding this emerging trend. We believe that this trend presents a significant cybersecurity challenge in 2015. In this session, we will discuss this increasing trend of drive-by attacks by dissecting examples of recent web infections, as well as share observed, sophisticated behavior of modern exploit pack and the challenges for research and discovery. As we present exploit kit information, trends and statistics from research derived from our Cyphort Crawler, you will gain an awareness and an understanding of these malvertising threats to better protect your site visitors from malware infection.
EverSec + Cyphort: Big Trends in CybersecurityCyphort
Advanced threats are changing so often it is getting harder and harder to keep up! In addition to new attacks, hackers are reinventing older ones, making it even more difficult to detect. In this webinar, we will discuss at a high-level some of biggest cybersecurity threats happening right now, including:
--The Resurgence of Ransomware - Locky and other new cryptolockers
--Malvertising, oh My! - No website is safe from unknowingly spreading malware to visitors
--I have RATs - How to defend against Remote Access Trojans stealing your data
Nick Bilogorskiy presentation on Ransomware, Cryptolocker and Cryptowall at Rochester Security Summit 2015.
Fake Antivirus
History of Ransomware
Cryptolocker
Cryptowall
Conclusions
Understanding Malware Lateral Spread Used in High Value AttacksCyphort
APTs are known to use advanced Techniques, Tactics, and Procedures (TTP), including advanced malware design with protection layers, sandboxing evasion, and lateral movement inside penetrated networks to seek out high value targets. In this webinar, Nick Bilogorskiy of Cyphort Labs will review various lateral movement techniques and methods used by advanced threats in the past. He will look at some APT samples, e.g. Shamoon, in detail to show the specific steps in the lateral movement by the malware. Understanding the lateral movement of APT should help security defenders to better select and implement protection solutions.
Malware's Most Wanted: The Many Faces of MalwareCyphort
There has been extensive research done on malware code structures and system behaviors, often times hidden from unsuspecting eyes. Screen shots of malware execution have been shared in the passing, but were rarely the focus. It will be remiss if we did not pay enough attention to what malware looks like in their victims’ face.
Nick Bilogorskiy, Director of Security Research at Cyphort has studied a representative set of malware samples, including Adware and PUPs (potentially unwanted programs) and shares the screenshots from the perspective of how they interact with users, and how they can be helpful in identifying such malware.
Malware's Most Wanted: Linux and Internet of Things MalwareCyphort
Marion Marschalek speaks about Linux and Internet of things Malware.
Occasionally we see samples coming out of our pipe which do not fit with the stream of malware, such as clickjackers, banking Trojans and spybots. These exotic creatures are dedicated to target platforms other than the Windows operating system. While they make up for a significantly smaller portion than the load of Windows malware, Cyphort labs has registered a rise in Linux and Internet of Things Malware (IoT) malware. A number of different families has been seen. But what is their level of sophistication and the associated risk? This webinar provides an overview of Linux and IoT malware that Cyphort labs has spotted in the wild and gives an insight into the development of these threats and the direction they are taking.
Most notable apt_ attacks_of_2015_and_2016 predictionsCyphort
This season is the time to consider the year in review and the year to come. Nick will review the biggest malware attacks and breaches of the year, including OPM breach, Apple App store malware, Ashley Madison and Hacking Team. Then it’s on to the future as Nick unveils his security predictions for 2016.
Banking or Financial Trojans are already notorious because they have been around for a while, and they count both consumers and financial institutions among their victims. To help better defend against this class of malware, we share analyses of some recent families of financial Trojans. Nick Bilogorskiy, Cyphort's Director of Security Research, looks at the specific characteristics associated with a financial Trojan in terms of distribution channel, armoring behavior, attack payload, actors, etc in this presentation.
Malware's Most Wanted: Malvertising Attacks on Huffingtonpost, Yahoo, AOLCyphort
Malvertising Attacks on Huffingtonpost, Yahoo, AOL
Cyphort Labs has reported an uptick in drive-by-infection through malvertising in 2014 and sounded alarms for the web property owners regarding this emerging trend. We believe that this trend presents a significant cybersecurity challenge in 2015. In this session, we will discuss this increasing trend of drive-by attacks by dissecting examples of recent web infections, as well as share observed, sophisticated behavior of modern exploit pack and the challenges for research and discovery. As we present exploit kit information, trends and statistics from research derived from our Cyphort Crawler, you will gain an awareness and an understanding of these malvertising threats to better protect your site visitors from malware infection.
EverSec + Cyphort: Big Trends in CybersecurityCyphort
Advanced threats are changing so often it is getting harder and harder to keep up! In addition to new attacks, hackers are reinventing older ones, making it even more difficult to detect. In this webinar, we will discuss at a high-level some of biggest cybersecurity threats happening right now, including:
--The Resurgence of Ransomware - Locky and other new cryptolockers
--Malvertising, oh My! - No website is safe from unknowingly spreading malware to visitors
--I have RATs - How to defend against Remote Access Trojans stealing your data
Sony Attack by Destover Malware. Part of Cyphort Malware Most Wanted Series.Cyphort
1. The document discusses a presentation given by Cyphort Labs on major malware attacks and threats of 2014, including the Sony Pictures attack carried out by the Destover trojan.
2. The Sony attack was a sophisticated, targeted attack that stole over 100 terabytes of data including unreleased movies and employee information.
3. Analysis showed links between the Destover malware and previous North Korean developed malware, indicating North Korean involvement in the Sony attack.
4. Other notable threats and attacks in 2014 included Cryptolocker ransomware, Shellshock and Heartbleed exploits, and POS malware like BlackPOS and Backoff targeting retailers.
We have talked about the recent ransomware resurgence and now Cyphort Labs wants to spend some timer on one of the most effective methods of delivering ransomware and that is exploit kits.
In this edition of MMW, Nick Bilogorskiy, Senior Director of Threat Operations at Cyphort, will cover:
The evolution of exploit kits such as Angler, Nuclear, Rig and Neutrino
Show real examples of drive-by exploits in popular websites discovered in our crawler
Examine the relationship between exploits, kits and payload
Malware authors are beginning to target Mac OS X in larger numbers. As malware and phishing attacks become targeted, more sophisticated, and easier to carry out. Mac users can no longer rely on hackers to ignore the smaller OS X market share. In this webinar Cyphort Labs will explain the trends on Mac malware and present statistics on Mac malware we gathered in the wild and interpret the numbers.
Malware's Most Wanted: CryptoLocker—The Ransomware TrojanCyphort
The document discusses the Cryptolocker ransomware. It provides an overview of Cryptolocker, including its history and evolution since 2013. It describes how Cryptolocker encrypts files, communicates with command and control servers, and demands ransom payments in Bitcoin. The document analyzes Cryptolocker's techniques and attributes it to a cybercriminal group based in Russia. It also covers the emergence of related ransomware such as Cryptodefense and Simplelocker on Android.
Malware writers are well aware of sandboxing, a popular way to detect brand new unknown malware by its behavior, and make code that infects the intended victim but has no malicious behavior in a sandbox. This MMW webinar demos specific ways how malware detects and hides from sandboxes including environmental check, stalling code, sleeps, hook detection and click triggers.
In this Malware's Most Wanted, Cyphort Lab's Marion Marschalek will shed light on malware self-protection. The audience will get an overview of how malware evasion evolved over the years and how malware defense evolved with it, or vice versa as it occasionally happens in the digital arms race. The various observed anti-analysis tricks will be put in relation to the respective counter measures in order to showcase challenges of modern day security products.
Marion recently won a speaking contest at Komintern Sect in Stockholm.
This document discusses implementing effective cybersecurity postures. It outlines an agenda for a presentation including discussing Obama's 2013 executive order on critical infrastructure cybersecurity and the NIST Cybersecurity Framework. It identifies that everything is now critical infrastructure and weaknesses can be exploited. It discusses overcoming potential roadblocks like understanding business risks, planning for the full threat mitigation cycle, dealing with consequences, getting options for mitigation, and preparing for worst-case recovery scenarios. The presentation aims to provide clarity and help audiences be thoughtful and logical in their cybersecurity approaches.
Cyphort Labs has come across a sophisticated malware sample, dubbed Evil Bunny, which tricks sandboxes and shows rather uncommon deception traits to evade detection. Marion Marschalek, Security Researcher of Cyphort Labs, will dissect this evil, yet fascinating, malware called EvilBunny Malware Dropper. We will examine how it attempts to evade detection from AV and sandboxing, how it drops the payload, and how it persists and deletes itself.
Dr. Fengmin Gong, Co-Founder and Chief Strategy Officer, presents why an ecosystem-based approach is necessary to defend against modern malware threats. Discussion continues with what it takes to implement cybersecurity using this approach. He also presents a number of use cases where multi-vendor products interacting in a security ecosystem provide the most effective protection for enterprises.
IT Security landscape and the latest threats and trendsSophos Benelux
Senior Security Advisor at Sophos, John Shier provided a very informative session during Infosecurity 2016 in the Netherlands in which he discussed the latest threats and trends in the digital world.
In the digital age, one of the most effective ways to gather data and information about a potential enemy state is by infiltrating their ranks with malware. This webinar takes a deep drive into advanced persistent threat attacks performed by nation states. We will discuss various actors, government sponsored hackers, such as Duke, Bear, and Panda. Then we will look at malware created, like Regin, Elise, Flame, Equation Group, Babar, OnionDuke, and Dark Hotel.
Ransomware attacks are a growing threat. Zerto provides a virtual replication solution that allows recovery of encrypted files and applications within minutes through continuous replication of changes at the block level. The presentation demonstrated how Zerto can minimize the impact of a ransomware infection by recovering files from seconds before encryption occurred. It also discussed how Zerto helps users prove compliance with regulations by enabling testing and reporting of disaster recovery capabilities.
Ransomware has become one of the most widespread and damaging threats that internet users face. Since the infamous CryptoLocker first appeared in 2013, we’ve seen a new era of file-encrypting ransomware variants delivered through spam messages and Exploit Kits, extorting money from home users and businesses alike.
This document discusses ransomware, including its impact, evolution, and prevention. It defines ransomware as malicious software that blocks access to a computer system until a ransom is paid. There are two main types: locker ransomware which locks the system, and crypto ransomware which encrypts files. The document then discusses how ransomware enters systems, how it executes once inside, examples of ransomware strains, and defensive measures like backups and training users.
CSF18 - The Digital Threat of the Decade (Century) - Sasha KranjacNCCOMMS
The document provides an overview of ransomware, including its history, key stages, and examples. It discusses how ransomware has evolved from misleading applications and rogue antivirus software in the 2000s to modern crypto-ransomware. The five stages of crypto-ransomware are described as installation, contacting command and control servers, establishing encryption keys, encrypting files, and displaying an extortion message. Several examples of ransomware families are outlined, including Cryptowall, Zepto, KeRanger, Reveton, CryptoLocker, and WannaCry.
Sophos Day Belgium - The IT Threat Landscape and what to look out forSophos Benelux
Sophos Senior Security Advisor John Shier gave an insight into the most popular threats on the current IT security market. What works, what doesn't, what do we and our users need to look out for. Not only did he give some great insights but also was able to give some local Benelux numbers on the most popular and widely used threats.
Just as the title says, we go over the humble origins, touch on the notable variants of yesteryear, the big hitters of today, and discuss the future of ransomware. It's no longer just for windows anymore. Linux, Mac and Mobile platforms are all ripe for extortion.
This humorous and entertaining talk teaches everyone, from Mom and Pops to large enterprise organizations what's really happening and how to protect themselves.
CSF18 - Guarding Against the Unknown - Rafael NarezziNCCOMMS
Rafael Narezzi is a cybersecurity strategist and Chief Technology Officer of 4cyberSec with over 20 years of experience in the financial sector. He holds a master's degree in forensic computing, cybersecurity, and counter-terrorism. Narezzi lectures on cybersecurity and works as a senior advisor providing end-to-end security solutions for executives. He warns that short-term security benefits do not scale well against adaptive attackers. Cybercrime has become highly organized and profitable, treating attacks as a business. Total protection is impossible, but organizations must minimize damage from inevitable attacks.
This document summarizes how ransomware works and has evolved over time. It discusses the results of a recent UK poll showing that 60% of victims had backups but 65% still paid ransoms averaging £540. It then outlines the evolution of ransomware from misleading applications in 2008-2014 to crypto-ransomware beginning in 2013. The document analyzes the social engineering techniques used by ransomware like Locky and CTB-Locker and how they evade filters and antivirus. It compares spam emails to exploit kits and discusses new evasion tricks being used. The document advocates for layered security approaches and outlines minimum protections organizations should implement.
Ransomware: Emergence of the Cyber-Extortion MenaceZubair Baig
This document summarizes a research paper on the emergence of ransomware as a cyber threat. It traces the evolution of ransomware from the first known variant in 1989 to recent sophisticated strains. Over time, ransomware has adopted new technologies like strong encryption, anonymous payment systems and hidden command and control servers that have increased its profitability and impact. The researchers analyzed traits across many ransomware families and found an increasing expression of security capabilities. They conclude ransomware is likely to continue evolving in response to defenses and growing more difficult to stop.
Infographie : les chiffres du ransomware en 2016 en FranceEgedian
En 2016 en France, 2,2 millions d'internautes français ont été infectés par un ransomware. Et 30% des victimes ont accepté de payer la rançon pour récupérer leur données !
This excellent session by Alexander Bolshev (@dark_k3y) was a very pleasant surprise, and it's a bit frustrating that it is one of the three lost S4x14 videos.
We were concerned that it would be a bit S4x13 / insecure by design / low hanging fruit, but HART has received so little attention that we thought it was worth including in S4x14. HART is widely used in DCS to connect controllers and instruments. The HART Foundation says over 30 million HART devices are deployed.
Alexander covers the protocol in the early slides, but make sure you look at slides 16-21 where he shows how he can change the RTU's Polling Unit ID (who the RTU expects to poll it) to create a man-in-the-middle attack.
There are a number of other HART protocol attacks described, but I was most interested in his HRT Shield board - a high-power low-noise HART modem Arduino shield for sniffing, injecHng, and jamming current loop. He brought over some boards that we are building up to have in our Rack when we go out on an assessment.
I should note, mainly to avoid an email from Jeff, that WirelessHART has integrated security such as source/data authentication and encryption. As we walk through plants and factories we are seeing a number of these WirelessHART devices. They are easy to spot because they can be deployed in the most physically convenient place without worrying about wiring.
Sony Attack by Destover Malware. Part of Cyphort Malware Most Wanted Series.Cyphort
1. The document discusses a presentation given by Cyphort Labs on major malware attacks and threats of 2014, including the Sony Pictures attack carried out by the Destover trojan.
2. The Sony attack was a sophisticated, targeted attack that stole over 100 terabytes of data including unreleased movies and employee information.
3. Analysis showed links between the Destover malware and previous North Korean developed malware, indicating North Korean involvement in the Sony attack.
4. Other notable threats and attacks in 2014 included Cryptolocker ransomware, Shellshock and Heartbleed exploits, and POS malware like BlackPOS and Backoff targeting retailers.
We have talked about the recent ransomware resurgence and now Cyphort Labs wants to spend some timer on one of the most effective methods of delivering ransomware and that is exploit kits.
In this edition of MMW, Nick Bilogorskiy, Senior Director of Threat Operations at Cyphort, will cover:
The evolution of exploit kits such as Angler, Nuclear, Rig and Neutrino
Show real examples of drive-by exploits in popular websites discovered in our crawler
Examine the relationship between exploits, kits and payload
Malware authors are beginning to target Mac OS X in larger numbers. As malware and phishing attacks become targeted, more sophisticated, and easier to carry out. Mac users can no longer rely on hackers to ignore the smaller OS X market share. In this webinar Cyphort Labs will explain the trends on Mac malware and present statistics on Mac malware we gathered in the wild and interpret the numbers.
Malware's Most Wanted: CryptoLocker—The Ransomware TrojanCyphort
The document discusses the Cryptolocker ransomware. It provides an overview of Cryptolocker, including its history and evolution since 2013. It describes how Cryptolocker encrypts files, communicates with command and control servers, and demands ransom payments in Bitcoin. The document analyzes Cryptolocker's techniques and attributes it to a cybercriminal group based in Russia. It also covers the emergence of related ransomware such as Cryptodefense and Simplelocker on Android.
Malware writers are well aware of sandboxing, a popular way to detect brand new unknown malware by its behavior, and make code that infects the intended victim but has no malicious behavior in a sandbox. This MMW webinar demos specific ways how malware detects and hides from sandboxes including environmental check, stalling code, sleeps, hook detection and click triggers.
In this Malware's Most Wanted, Cyphort Lab's Marion Marschalek will shed light on malware self-protection. The audience will get an overview of how malware evasion evolved over the years and how malware defense evolved with it, or vice versa as it occasionally happens in the digital arms race. The various observed anti-analysis tricks will be put in relation to the respective counter measures in order to showcase challenges of modern day security products.
Marion recently won a speaking contest at Komintern Sect in Stockholm.
This document discusses implementing effective cybersecurity postures. It outlines an agenda for a presentation including discussing Obama's 2013 executive order on critical infrastructure cybersecurity and the NIST Cybersecurity Framework. It identifies that everything is now critical infrastructure and weaknesses can be exploited. It discusses overcoming potential roadblocks like understanding business risks, planning for the full threat mitigation cycle, dealing with consequences, getting options for mitigation, and preparing for worst-case recovery scenarios. The presentation aims to provide clarity and help audiences be thoughtful and logical in their cybersecurity approaches.
Cyphort Labs has come across a sophisticated malware sample, dubbed Evil Bunny, which tricks sandboxes and shows rather uncommon deception traits to evade detection. Marion Marschalek, Security Researcher of Cyphort Labs, will dissect this evil, yet fascinating, malware called EvilBunny Malware Dropper. We will examine how it attempts to evade detection from AV and sandboxing, how it drops the payload, and how it persists and deletes itself.
Dr. Fengmin Gong, Co-Founder and Chief Strategy Officer, presents why an ecosystem-based approach is necessary to defend against modern malware threats. Discussion continues with what it takes to implement cybersecurity using this approach. He also presents a number of use cases where multi-vendor products interacting in a security ecosystem provide the most effective protection for enterprises.
IT Security landscape and the latest threats and trendsSophos Benelux
Senior Security Advisor at Sophos, John Shier provided a very informative session during Infosecurity 2016 in the Netherlands in which he discussed the latest threats and trends in the digital world.
In the digital age, one of the most effective ways to gather data and information about a potential enemy state is by infiltrating their ranks with malware. This webinar takes a deep drive into advanced persistent threat attacks performed by nation states. We will discuss various actors, government sponsored hackers, such as Duke, Bear, and Panda. Then we will look at malware created, like Regin, Elise, Flame, Equation Group, Babar, OnionDuke, and Dark Hotel.
Ransomware attacks are a growing threat. Zerto provides a virtual replication solution that allows recovery of encrypted files and applications within minutes through continuous replication of changes at the block level. The presentation demonstrated how Zerto can minimize the impact of a ransomware infection by recovering files from seconds before encryption occurred. It also discussed how Zerto helps users prove compliance with regulations by enabling testing and reporting of disaster recovery capabilities.
Ransomware has become one of the most widespread and damaging threats that internet users face. Since the infamous CryptoLocker first appeared in 2013, we’ve seen a new era of file-encrypting ransomware variants delivered through spam messages and Exploit Kits, extorting money from home users and businesses alike.
This document discusses ransomware, including its impact, evolution, and prevention. It defines ransomware as malicious software that blocks access to a computer system until a ransom is paid. There are two main types: locker ransomware which locks the system, and crypto ransomware which encrypts files. The document then discusses how ransomware enters systems, how it executes once inside, examples of ransomware strains, and defensive measures like backups and training users.
CSF18 - The Digital Threat of the Decade (Century) - Sasha KranjacNCCOMMS
The document provides an overview of ransomware, including its history, key stages, and examples. It discusses how ransomware has evolved from misleading applications and rogue antivirus software in the 2000s to modern crypto-ransomware. The five stages of crypto-ransomware are described as installation, contacting command and control servers, establishing encryption keys, encrypting files, and displaying an extortion message. Several examples of ransomware families are outlined, including Cryptowall, Zepto, KeRanger, Reveton, CryptoLocker, and WannaCry.
Sophos Day Belgium - The IT Threat Landscape and what to look out forSophos Benelux
Sophos Senior Security Advisor John Shier gave an insight into the most popular threats on the current IT security market. What works, what doesn't, what do we and our users need to look out for. Not only did he give some great insights but also was able to give some local Benelux numbers on the most popular and widely used threats.
Just as the title says, we go over the humble origins, touch on the notable variants of yesteryear, the big hitters of today, and discuss the future of ransomware. It's no longer just for windows anymore. Linux, Mac and Mobile platforms are all ripe for extortion.
This humorous and entertaining talk teaches everyone, from Mom and Pops to large enterprise organizations what's really happening and how to protect themselves.
CSF18 - Guarding Against the Unknown - Rafael NarezziNCCOMMS
Rafael Narezzi is a cybersecurity strategist and Chief Technology Officer of 4cyberSec with over 20 years of experience in the financial sector. He holds a master's degree in forensic computing, cybersecurity, and counter-terrorism. Narezzi lectures on cybersecurity and works as a senior advisor providing end-to-end security solutions for executives. He warns that short-term security benefits do not scale well against adaptive attackers. Cybercrime has become highly organized and profitable, treating attacks as a business. Total protection is impossible, but organizations must minimize damage from inevitable attacks.
This document summarizes how ransomware works and has evolved over time. It discusses the results of a recent UK poll showing that 60% of victims had backups but 65% still paid ransoms averaging £540. It then outlines the evolution of ransomware from misleading applications in 2008-2014 to crypto-ransomware beginning in 2013. The document analyzes the social engineering techniques used by ransomware like Locky and CTB-Locker and how they evade filters and antivirus. It compares spam emails to exploit kits and discusses new evasion tricks being used. The document advocates for layered security approaches and outlines minimum protections organizations should implement.
Ransomware: Emergence of the Cyber-Extortion MenaceZubair Baig
This document summarizes a research paper on the emergence of ransomware as a cyber threat. It traces the evolution of ransomware from the first known variant in 1989 to recent sophisticated strains. Over time, ransomware has adopted new technologies like strong encryption, anonymous payment systems and hidden command and control servers that have increased its profitability and impact. The researchers analyzed traits across many ransomware families and found an increasing expression of security capabilities. They conclude ransomware is likely to continue evolving in response to defenses and growing more difficult to stop.
Infographie : les chiffres du ransomware en 2016 en FranceEgedian
En 2016 en France, 2,2 millions d'internautes français ont été infectés par un ransomware. Et 30% des victimes ont accepté de payer la rançon pour récupérer leur données !
This excellent session by Alexander Bolshev (@dark_k3y) was a very pleasant surprise, and it's a bit frustrating that it is one of the three lost S4x14 videos.
We were concerned that it would be a bit S4x13 / insecure by design / low hanging fruit, but HART has received so little attention that we thought it was worth including in S4x14. HART is widely used in DCS to connect controllers and instruments. The HART Foundation says over 30 million HART devices are deployed.
Alexander covers the protocol in the early slides, but make sure you look at slides 16-21 where he shows how he can change the RTU's Polling Unit ID (who the RTU expects to poll it) to create a man-in-the-middle attack.
There are a number of other HART protocol attacks described, but I was most interested in his HRT Shield board - a high-power low-noise HART modem Arduino shield for sniffing, injecHng, and jamming current loop. He brought over some boards that we are building up to have in our Rack when we go out on an assessment.
I should note, mainly to avoid an email from Jeff, that WirelessHART has integrated security such as source/data authentication and encryption. As we walk through plants and factories we are seeing a number of these WirelessHART devices. They are easy to spot because they can be deployed in the most physically convenient place without worrying about wiring.
Over the last few months, there has been tremendous growth in the number of ransomware attacks in the wild. What was once an attack technique aimed at susceptible individual users can now infiltrate advanced enterprise networks as well. In this presentation, you will learn how ransomware attacks propagate and what steps your organization can take to prevent them.
Ransomware is malware that locks devices or encrypts files to extort money in return for access. It is a growing threat for businesses. The document provides 11 steps to prevent ransomware infections, including regularly backing up important data, keeping software updated, training employees, and using security software with features like LiveGrid cloud protection. It also advises what to do if devices are already infected, recommending against paying ransoms.
This document discusses techniques for creating stealthy web application backdoors. It begins by explaining how simple modifications can help evade signature-based antivirus detection. Next, it analyzes some tools that can detect backdoors by searching for suspicious functions. The main part proposes three evasion techniques: 1) Using variable functions instead of direct calls 2) Embedding backdoor code directly in webpage 3) Hiding code in JPEG EXIF headers to avoid input-based detection. The goal is to design backdoors that are small, avoid common triggers and stay undetectable to automated scans and manual code reviews.
This document discusses trojans and backdoors. It defines a trojan as a malicious program that misrepresents itself as useful to install itself on a victim's computer. Trojans are used for destructive purposes like crashing systems or stealing data, or for using the computer's resources. Examples of trojans provided include Netbus and Back Orifice. Backdoors are methods of bypassing authentication to gain unauthorized access. They work by installing hidden server software that listens for connections from client software controlled by attackers. Known backdoors discussed include Back Orifice and a possible NSA backdoor in a cryptographic standard.
Doug created a serverless API using API Gateway and Lambda to support a coffee review app. The API experienced errors during peak morning usage. Doug used CloudWatch metrics and logging to identify a bug causing excessive requests. He throttled the affected method to limit impact and deployed a fix. As the app grew popular, Doug enabled authentication and usage plans to allow third parties controlled access. He also implemented stages and deployment tools to formalize updates to the API.
MMW June 2016: The Rise and Fall of Angler Cyphort
We have talked about the recent ransomware resurgence and now Cyphort Labs wants to spend some timer on one of the most effective methods of delivering ransomware and that is exploit kits.
In this edition of MMW, Nick Bilogorskiy, Senior Director of Threat Operations at Cyphort, will cover:
The evolution of exploit kits such as Angler, Nuclear, Rig and Neutrino
Show real examples of drive-by exploits in popular websites discovered in our crawler
Examine the relationship between exploits, kits and payload
The document discusses various cybersecurity attack vectors and how organizations can protect themselves. It outlines common attack methods like ransomware, malicious code delivery, social engineering, and phishing. It then recommends that organizations conduct regular security audits, establish governance policies, create an incident response plan, and provide cybersecurity education to employees. The document promotes cybersecurity services from Future Point of View including vulnerability testing, forensics, and training to help organizations enhance their protections.
Failed Ransom: How IBM XGS Defeated RansomwareIBM Security
View on-demand webinar: http://event.on24.com/wcc/r/1238398/409AE8848D4FF1210B56EC81538788EB
Ransomware is a growing threat impacting organizations across all industries. But not all is lost. There are preventative measures that can be taken to help protect against ransomware attacks, including deploying a next-generation intrusion prevention system (IPS), such as the IBM XGS.
Join our webinar to:
Understand the current threats associated with ransomware
Learn how leading-edge research from IBM X-Force powers the XGS to stop ransomware
Hear how IBM XGS proactively blocked ransomware at a large healthcare insurance organization
This document summarizes the key endpoint protection capabilities provided by Sophos, including:
- Securing endpoints against threats like malware, ransomware and data loss across applications, web, email and devices.
- Active protection technologies that use machine learning to identify emerging threats in real-time.
- Features like intrusion prevention, firewall, encryption and patch management to harden security.
- Centralized management console for deploying and maintaining protection across all endpoints and platforms with minimal complexity and user impact.
The document provides an introduction and overview of the Nuix Black Report, which aims to take a unique perspective on cybersecurity threats by directly surveying hackers about their attack methodologies. It notes that typical cybersecurity reports analyze past incidents and trends, but this report seeks to understand the source of threats by asking attackers about their tactics and which defenses are most and least effective. The report found that perceptions of effective defenses often do not align with reality. It aims to illuminate which security measures actually improve protections based on hacker feedback. This perspective could provide new insights on how to best allocate security resources.
The document discusses the rise of targeted ransomware attacks against corporations. Ransomware has become profitable for attackers, with over $209 million in damages reported in the first quarter of 2016 alone according to the FBI. Attackers are using advanced techniques similar to targeted cyber attacks, infiltrating networks through vulnerabilities, moving laterally within networks, and deploying ransomware strains like SamSam. The attacks are devastating to organizations and highlight the need to keep data safe through backups, updated systems, security software, and preparedness for these types of incidents.
This document discusses strategies for improving security architecture on AWS. It recommends:
1) Controlling access at the machine level by using separate keypairs for each user and device instead of sharing keys and user accounts.
2) Using configuration management or LDAP to automate user management across servers instead of manually adding users.
3) Restricting SSH access to production servers by using a bastion host or VPN instead of exposing port 22 publicly.
4) Enforcing two-factor authentication and other security best practices for employee laptops and office networks to reduce security risks.
Overview of Internet and network security protocols and architectures.
Network and Internet security is about authenticity, secrecy, privacy, authorization, non-repudiation, data integrity and protection from denial of service (DOS) attacks.
In the early days of the Internet, security was not a concern so most protocols were developed without protection from various kinds of attacks in mind. The Internet is now infested with malware like worms, viruses, trojan horses and killer packets. Unprotected hosts run the risk of being seized by hackers and become part of botnets to launch even more elaborate attacks.
Careful protection of hosts in a network is therefore of paramount importance. Hosts that need not be reachable from the Internet are typically placed in a protected LAN. Hosts with reachability requirements like mail and web servers are placed in a special network zone called DMZ (DeMilitarized Zone).
Firewalls protect the different networks. Firewall functionality ranges from simple port and address filters up to stateful application and deep packet inspection firewalls that provide more protection.
In general, security policies should be as restrictive as reasonable possible. So usually something not explicitly allowed should be classified as forbidden and thus be blocked.
F. Questier, Computer security, workshop for Lib@web international training program 'Management of Electronic Information and Digital Libraries', university of Antwerp, October 2015
Computer security threats & prevention,Its a proper introduction about computer security and threats and prevention with reference. Have info about threats and their prevention.
Being aware of online and malware threats is the first step to computer security. In this presentation, we help you understand:
a. Importance of computer security
b. Consequences of ignoring computer security
c. Types of threats that can harm your computer
d. Measures to take to keep your computer safe
e. How can Quick Heal help
Ник Белогорский - Будни Кремниевой Долины. История карьеры Ника, борьба с хак...HackIT Ukraine
Ник расскажет про типичный день антивирусного специалиста в Кремниевой Долине. Про то, как компании борются с хакерскими атаками. Он расскажет свою историю про то, как работал в Фейсбуке, как туда попасть и какой опыт эта компания даёт. Расскажет про Cyphort, и антивирусы нового поколения. И он поделится новыми трендами кибербезопасности.
Ransomware is a PC or Mac-based malicious piece of software that encrypts a user or company’s files and forces them to pay a fee to the hacker in order to regain access to their own files.
Not only can ransomware encrypt the files on your computer; the software is smart enough to travel across your network and encrypt any files located on shared network drives. This can lead to a catastrophic situation whereby one infected user can bring an entire company to a halt.
Ransomware is a type of malware that encrypts files on an infected device and demands ransom payment to decrypt the files. It works by preying on human emotions like fear of losing important files. For cybercriminals, ransomware is a lucrative business that earned over $24 million from just 2,453 attacks in 2015. There are three main types - encryption ransomware, master boot record ransomware, and lockscreen ransomware. Ransomware poses a big threat to both individuals and businesses alike, though some myths persist that it only targets one group over another. The document discusses whether to pay ransoms or not.
Never before in the history of human kind have people across the world been subjected to extortion on a massive scale as they are today. In recent years, personal use of computers and the internet has exploded and, along with this massive growth, cybercriminals have emerged to feed off this burgeoning market, targeting innocent users with a wide range of malware. The vast majority of these threats are aimed at directly or indirectly making money from the victims. Today, ransomware has emerged as one of the most troublesome malware categories of our time.
There are two basic types of ransomware in circulation. The most common type today is crypto ransomware, which aims to encrypt personal data and files. The other, known as locker ransomware, is designed to lock the computer, preventing victims from using it. In this research, we will take a look at how the ransomware types work, not just from a technological point of view but also from a psychological viewpoint. We will also look at how these threats evolved, what factors are at play to make ransomware the major problem that it is today, and where ransomware is likely to surface next.
One of the key methods cybercriminals are using is ransomware, most famously the Cryptolocker malware,
and its numerous variants, which encrypts the files on a user’s computer and demands the user to pay a ransom, usually in Bitcoins, in order to receive the key to decrypt the files. But Cryptolocker is just one approach that criminals are taking to demand ransom, and the techniques are evolving on a daily basis. To guard against ransomware, it is not enough to know the malware that is making the rounds that day. It is vital to have a broader understanding of the topic, so one can take effective countermeasures against this evolving threat.
The document discusses the history and evolution of ransomware attacks from 1989 to the present. It provides details on notable ransomware attacks like WannaCry in 2017 and NotPetya in 2017. WannaCry spread to over 150 countries and encrypted data on hundreds of thousands of computers, demanding ransom payments in bitcoin. It exploited a Windows vulnerability. NotPetya similarly spread rapidly through Ukraine and globally, affecting a major shipping company and causing over $10 billion in damages by encrypting and wiping data. The document outlines the modus operandi and impacts of these attacks as well as measures to prevent future ransomware infections like patching systems, isolating infected devices, and implementing security best practices.
Network Insights of Dyre and Dridex Trojan BankersBlueliv
This document summarizes research on the Dyre and Dridex banking Trojans. It describes how they infect systems through malicious emails and documents containing macros or URLs. Both Trojans communicate with command and control servers over an encrypted peer-to-peer network to steal credentials, transfer funds, and avoid detection. The analysis provides insight into the complex architecture that allows these botnets to operate resiliently on a global scale.
Ransomware became a major cyberthreat in 2016, especially in the United States. Ransomware payments increased 771% from 2015 to 2016. The healthcare and education industries were among the most affected. In 2017, experts predict that ransomware will continue to spread rapidly across more devices and sectors. New variants will emerge using improved encryption and different delivery methods. Ransomware criminals are expected to make over $5 billion. Strong backups remain the best defense against ransomware attacks.
The WannaCry ransomware virus infected over 200,000 organizations in 150 countries, crippling many hospitals and other organizations. It exploited a vulnerability in Windows to encrypt files and demand ransom payments in bitcoin. While a "kill switch" was discovered that stopped the spread, many systems already infected could not be recovered without paying ransom. It highlighted the need to keep systems updated and have backups to prevent future attacks.
Ransomware- A reality check (Part 1).pptxInfosectrain3
Ransomware is the type of malicious software or malware that prevents you from accessing your files, networks, or systems. They demand a ransom amount to get your access back.
Open Source Insight: Artifex Ruling, NY Cybersecurity Regs, PATCH Act, & Wan...Black Duck by Synopsys
This week’s news is dominated by fall-out and reaction from last week’s WannaCrypt/WannaCry attacks, of course, but other open source and cybersecurity stories you won’t want to miss, including an important open source ruling that confirms the enforceability of dual licensing, what New York’s new cybersecurity regulations mean for Financial Services and
the PATCH Act and the creation of a vulnerabilities equities process
“Ransomware” is in the top of all news that affecting the economy of the world like witches’ curse. This curse has been spreaded by Friday, 12 May 2017 infecting more than 230,000 computers by targeting the “Microsoft Windows Operating System” including 150 countries and this attack has been elaborated by Europol as bizarre in a scale. Well this is the basic information all over the world but what affection it has disseminated over businesses and entrepreneurs? If you want to know what businesses & entrepreneurs imperative to know about Ransomware, then this article is the perfect choice for you. Let’s have look on important points regarding this:
Get Smart about Ransomware: Protect Yourself and OrganizationSecurity Innovation
As ransomware threats continue to rise, it's important to understand how to protect yourself and your organization against these cyberattacks and what you should do if you become a victim.
This document summarizes a paper about the history, mechanisms, and countermeasures of ransomware. It describes how ransomware has evolved since 1989 from simply encrypting file names to using sophisticated encryption techniques and ransom payment through cryptocurrencies. Recent ransomware incidents have targeted hospitals, which feel pressure to pay ransoms to avoid putting patients at risk. Key countermeasures include awareness training to prevent infection through phishing emails, as well as maintaining backups to recover data without paying ransoms. Sandbox deployment and signature analysis can also help detect and block ransomware.
Information security is the process of protecting digital information and systems from unauthorized access, use, disclosure, disruption, modification, inspection, recording or destruction. The document discusses challenges to information security like identity theft, malware, patch management failures and distributed denial of service attacks. It provides best practices for protecting digital assets such as using antivirus software, updating systems, and implementing personal firewalls and wireless security measures. There is a growing need for information security professionals to address issues around security, education and workforce development.
This document discusses cyber extortion and ransomware. It defines ransomware as malware that locks out a user's system and demands ransom in order to regain access. The document reviews the history of ransomware, describes famous ransomware like Reveton and CryptoLocker, and explains how ransomware works. It provides tips on how to prevent ransomware attacks and instructions for removing malware from Windows PCs.
This document discusses countermeasures to ransomware threats. It begins by defining malware and ransomware, noting that ransomware encrypts users' files or locks their devices until ransom is paid. There are two main types: crypto ransomware which encrypts files, and locker ransomware which locks devices. The document then examines how ransomware infects systems, including through malicious advertisements, spam emails, downloaders/botnets, and self-propagation. It also discusses the risks ransomware poses to personal computers, mobile devices, servers, and organizations. The document concludes by emphasizing the importance of backups and security practices to prevent ransomware infections.
Ransomware is a type of malicious software that encrypts a victim's files and demands ransom payment to regain access. It has become a lucrative attack method for cyber criminals. The document discusses what ransomware is, how it affects users, examples of ransomware attacks on hospitals, and recommendations if a user becomes a victim. General tips to defend against ransomware include maintaining consistent data backups, keeping software updated, and educating users about security best practices.
How to Use Artificial Intelligence to Minimize your Cybersecurity Attack SurfaceSparkCognition
This document discusses how artificial intelligence can help address challenges in cybersecurity. It notes that the growing number of new threats and internet-connected devices has exceeded the capacity of human analysts. It then describes three key problems that are ripe for AI solutions: malware detection, as polymorphic malware evades traditional antivirus tools; threat intelligence, as too many security alerts overwhelm analysts; and automated threat research, to accelerate response times. The presentation then demonstrates DeepArmor, a cognitive security solution from SparkCognition that uses machine learning for more effective malware detection and natural language processing to summarize threat information and research for analysts.
Similar to MMW April 2016 Ransomware Resurgence (20)
This document discusses machine learning approaches for threat detection in cybersecurity. It begins with an overview of machine learning applications in security like malware detection and classification. It then covers the machine learning toolkit, emphasizing that data is the most important factor. It describes supervised learning techniques like regression and support vector machines. It also discusses challenges like the curse of dimensionality and separating sparse signals from noise in the data. The key takeaways are that machine learning can provide scalable threat detection when done correctly by focusing on relevant predictive data and understanding its limitations and algorithms.
Malware writers are well aware of sandboxing, a popular way to detect brand new unknown malware by its behavior, and make code that infects the intended victim but has no malicious behavior in a sandbox. This MMW webinar demos specific ways how malware detects and hides from sandboxes including environmental check, stalling code, sleeps, hook detection and click triggers.
This document provides an overview of anti-sandbox techniques used by malware. It begins with introductions and defines a sandbox. It then discusses how malware detects sandboxes through various methods like detecting virtualization, detecting the presence of a user, detecting hooks. Specific examples of malware using techniques like sleeps, timing attacks, disk identifiers, and instruction sets are presented. Popular anti-sandboxing techniques are identified as detecting virtual machines and delay loops. The document concludes with recommendations like hardening sandboxes and using multiple analysis techniques.
This document discusses Marion Marschalek's background in software engineering and information security. It covers topics like the need for innovation in technology, challenges in the field, and characteristics of advanced persistent threats. The document encourages the reader to pursue their dreams and learn new skills despite perceived limitations. It concludes by stating Marion's three wishes if she could have any, which are focused on freedom of choice, thought, and secure systems.
This document discusses advanced persistent threats (APTs) and their evolution over time. It notes that early detection of threats was based on knowing binary signatures and behaviors, but APTs now use unique and regularly updated binaries, lack repetitive artifacts, are environmentally sensitive, use multiple persistence techniques, and employ consistent evasion methods to avoid detection. Examples of prominent APTs discussed include BlackEnergy, Havex, BlackPOS, and EvilBunny, which were able to successfully compromise millions of records by evolving their tactics.
Malware's Most Wanted: How to tell BADware from adwareCyphort
How do you effectively deal with the ever-increasing amount of adware? Adware is annoying, but not all are created equal. At this MMW we look at growing landscape of adware and malware. We will discuss tools to give you behavior insights and ways to reveal the context of adware as it relates to your business.
Zeus is a Trojan horse malware that has infected tens of millions of computers worldwide. It functions by using a dropper to install a Zeus bot that communicates with a command and control server to steal banking credentials. Zeus has evolved over many versions since 2007 and employs techniques like steganography, rootkits, anti-debugging, and domain generation algorithms to avoid detection. Notable Zeus variants include Gameover Zeus attributed to Evgeniy Bogachev and JabberZeus linked to a criminal group in Ukraine.
Malware's Most Wanted (MMW): Backoff POS Malware Cyphort
Backoff POS Malware - Bringing Criminals To Where The Money Is
More than 1,000 US businesses have been infected this Trojan program designed specifically to steal credit and debit card data from point-of-sale (POS) systems. This is a deep dive into this malware to help you better protect your customer information.
Malware's most wanted-zberp-the_financial_trojanCyphort
Zbot + Carberp = Zberp, an online banking trojan that is reported to have impacted 450 financial institutions around the world in the first month since discovery. In addition to its malicious capabilities, the Zberp Trojan uses a combination of evasion techniques that it inherited from both the Zeus, also known as Zbot, and Carberp. Add in the ‘invisible persistence’ feature and you have one nasty piece of malware.
Malware’s Most Wanted: NightHunter. A Massive Campaign to Steal Credentials R...Cyphort
Cyphort Labs has discovered an extensive data theft campaign that we have named NightHunter. The campaign, active since 2009, is designed to steal login credentials of users. Targeted applications include Google, Yahoo, Facebook, Dropbox and Skype. Attackers have many options to leverage the credentials and the potential for analyzing and correlating the stolen data to mount highly targeted, damaging attacks.
Digging deeper into the IE vulnerability CVE-2014-1776 with CyphortCyphort
Web browser vulnerabilities remain a fertile ground for hackers to harvest and mount attacks. Latest vulnerabilities found in Internet Explorer and urgent response from Microsoft highlights the fact that despite end of life announcements for old and less secure products, millions of users remain exposed to threats.
Web browser attacks and how the vulnerabilities are exploited
How CVE-2014-1776 impacts you
Finding and dissecting active attacks
How to mitigate impacts of browser vulnerability based attacks
For the full video of this presentation, please visit: https://www.edge-ai-vision.com/2024/06/building-and-scaling-ai-applications-with-the-nx-ai-manager-a-presentation-from-network-optix/
Robin van Emden, Senior Director of Data Science at Network Optix, presents the “Building and Scaling AI Applications with the Nx AI Manager,” tutorial at the May 2024 Embedded Vision Summit.
In this presentation, van Emden covers the basics of scaling edge AI solutions using the Nx tool kit. He emphasizes the process of developing AI models and deploying them globally. He also showcases the conversion of AI models and the creation of effective edge AI pipelines, with a focus on pre-processing, model conversion, selecting the appropriate inference engine for the target hardware and post-processing.
van Emden shows how Nx can simplify the developer’s life and facilitate a rapid transition from concept to production-ready applications.He provides valuable insights into developing scalable and efficient edge AI solutions, with a strong focus on practical implementation.
Let's Integrate MuleSoft RPA, COMPOSER, APM with AWS IDP along with Slackshyamraj55
Discover the seamless integration of RPA (Robotic Process Automation), COMPOSER, and APM with AWS IDP enhanced with Slack notifications. Explore how these technologies converge to streamline workflows, optimize performance, and ensure secure access, all while leveraging the power of AWS IDP and real-time communication via Slack notifications.
UiPath Test Automation using UiPath Test Suite series, part 5DianaGray10
Welcome to UiPath Test Automation using UiPath Test Suite series part 5. In this session, we will cover CI/CD with devops.
Topics covered:
CI/CD with in UiPath
End-to-end overview of CI/CD pipeline with Azure devops
Speaker:
Lyndsey Byblow, Test Suite Sales Engineer @ UiPath, Inc.
Programming Foundation Models with DSPy - Meetup SlidesZilliz
Prompting language models is hard, while programming language models is easy. In this talk, I will discuss the state-of-the-art framework DSPy for programming foundation models with its powerful optimizers and runtime constraint system.
Dr. Sean Tan, Head of Data Science, Changi Airport Group
Discover how Changi Airport Group (CAG) leverages graph technologies and generative AI to revolutionize their search capabilities. This session delves into the unique search needs of CAG’s diverse passengers and customers, showcasing how graph data structures enhance the accuracy and relevance of AI-generated search results, mitigating the risk of “hallucinations” and improving the overall customer journey.
Best 20 SEO Techniques To Improve Website Visibility In SERPPixlogix Infotech
Boost your website's visibility with proven SEO techniques! Our latest blog dives into essential strategies to enhance your online presence, increase traffic, and rank higher on search engines. From keyword optimization to quality content creation, learn how to make your site stand out in the crowded digital landscape. Discover actionable tips and expert insights to elevate your SEO game.
Observability Concepts EVERY Developer Should Know -- DeveloperWeek Europe.pdfPaige Cruz
Monitoring and observability aren’t traditionally found in software curriculums and many of us cobble this knowledge together from whatever vendor or ecosystem we were first introduced to and whatever is a part of your current company’s observability stack.
While the dev and ops silo continues to crumble….many organizations still relegate monitoring & observability as the purview of ops, infra and SRE teams. This is a mistake - achieving a highly observable system requires collaboration up and down the stack.
I, a former op, would like to extend an invitation to all application developers to join the observability party will share these foundational concepts to build on:
Climate Impact of Software Testing at Nordic Testing DaysKari Kakkonen
My slides at Nordic Testing Days 6.6.2024
Climate impact / sustainability of software testing discussed on the talk. ICT and testing must carry their part of global responsibility to help with the climat warming. We can minimize the carbon footprint but we can also have a carbon handprint, a positive impact on the climate. Quality characteristics can be added with sustainability, and then measured continuously. Test environments can be used less, and in smaller scale and on demand. Test techniques can be used in optimizing or minimizing number of tests. Test automation can be used to speed up testing.
Unlocking Productivity: Leveraging the Potential of Copilot in Microsoft 365, a presentation by Christoforos Vlachos, Senior Solutions Manager – Modern Workplace, Uni Systems
In his public lecture, Christian Timmerer provides insights into the fascinating history of video streaming, starting from its humble beginnings before YouTube to the groundbreaking technologies that now dominate platforms like Netflix and ORF ON. Timmerer also presents provocative contributions of his own that have significantly influenced the industry. He concludes by looking at future challenges and invites the audience to join in a discussion.
Essentials of Automations: The Art of Triggers and Actions in FMESafe Software
In this second installment of our Essentials of Automations webinar series, we’ll explore the landscape of triggers and actions, guiding you through the nuances of authoring and adapting workspaces for seamless automations. Gain an understanding of the full spectrum of triggers and actions available in FME, empowering you to enhance your workspaces for efficient automation.
We’ll kick things off by showcasing the most commonly used event-based triggers, introducing you to various automation workflows like manual triggers, schedules, directory watchers, and more. Plus, see how these elements play out in real scenarios.
Whether you’re tweaking your current setup or building from the ground up, this session will arm you with the tools and insights needed to transform your FME usage into a powerhouse of productivity. Join us to discover effective strategies that simplify complex processes, enhancing your productivity and transforming your data management practices with FME. Let’s turn complexity into clarity and make your workspaces work wonders!
Communications Mining Series - Zero to Hero - Session 1DianaGray10
This session provides introduction to UiPath Communication Mining, importance and platform overview. You will acquire a good understand of the phases in Communication Mining as we go over the platform with you. Topics covered:
• Communication Mining Overview
• Why is it important?
• How can it help today’s business and the benefits
• Phases in Communication Mining
• Demo on Platform overview
• Q/A
Building Production Ready Search Pipelines with Spark and MilvusZilliz
Spark is the widely used ETL tool for processing, indexing and ingesting data to serving stack for search. Milvus is the production-ready open-source vector database. In this talk we will show how to use Spark to process unstructured data to extract vector representations, and push the vectors to Milvus vector database for search serving.
Infrastructure Challenges in Scaling RAG with Custom AI modelsZilliz
Building Retrieval-Augmented Generation (RAG) systems with open-source and custom AI models is a complex task. This talk explores the challenges in productionizing RAG systems, including retrieval performance, response synthesis, and evaluation. We’ll discuss how to leverage open-source models like text embeddings, language models, and custom fine-tuned models to enhance RAG performance. Additionally, we’ll cover how BentoML can help orchestrate and scale these AI components efficiently, ensuring seamless deployment and management of RAG systems in the cloud.
Removing Uninteresting Bytes in Software FuzzingAftab Hussain
Imagine a world where software fuzzing, the process of mutating bytes in test seeds to uncover hidden and erroneous program behaviors, becomes faster and more effective. A lot depends on the initial seeds, which can significantly dictate the trajectory of a fuzzing campaign, particularly in terms of how long it takes to uncover interesting behaviour in your code. We introduce DIAR, a technique designed to speedup fuzzing campaigns by pinpointing and eliminating those uninteresting bytes in the seeds. Picture this: instead of wasting valuable resources on meaningless mutations in large, bloated seeds, DIAR removes the unnecessary bytes, streamlining the entire process.
In this work, we equipped AFL, a popular fuzzer, with DIAR and examined two critical Linux libraries -- Libxml's xmllint, a tool for parsing xml documents, and Binutil's readelf, an essential debugging and security analysis command-line tool used to display detailed information about ELF (Executable and Linkable Format). Our preliminary results show that AFL+DIAR does not only discover new paths more quickly but also achieves higher coverage overall. This work thus showcases how starting with lean and optimized seeds can lead to faster, more comprehensive fuzzing campaigns -- and DIAR helps you find such seeds.
- These are slides of the talk given at IEEE International Conference on Software Testing Verification and Validation Workshop, ICSTW 2022.
3. Your speakers today
Nick Bilogorskiy
@belogor
Director of Security Research
Marci Kusanovich
Marketing Communications Manager
4. Agenda
o History of Digital Extortion
o Cryptolocker, Cryptowall, Locky
o How Ransomware works
o Tips to protect yourself
o Wrap-up and Q&A
CyphortLabsT-shirt
6. Threat Monitoring &
Research team
________
24X7 monitoring for
malware events
________
Assist customers with
their Forensics and
Incident Response
We enhance malware
detection accuracy
________
False positives/negatives
________
Deep-dive research
We work with the
security ecosystem
________
Contribute to and learn
from malware KB
________
Best of 3rd Party threat
data
7. What is Ransomware
Ransomware is any
malware that demands
the user pay a ransom.
There are two types of
ransomware: lockers
and crypters.
9. o More IOT (Internet Of Things) security incidents
Prediction #4
10. • easy to use,
• fast,
• publicly available,
• decentralized, and
• Provides anonymity, which
serves to encourage
extortion.
Bitcoin Primer
11. The Ransomware Business Model
o Data Theft in place
o Anonymity (TOR, Bitcoin)
o Operating with impunity in Eastern Europe
o Extortion
o Focus on ease of use to maximize
conversion
o Currently 50% pay the ransom,
it was 41% 2 years ago
13. HOSPITALS
Hollywood Presbyterian
Medical Center , Kentucky
Methodist Hospital,
Alvarado Hospital Medical
Center and King's
Daughters' Health, Kentucky
Methodist Hospital, Chino
Valley Medical Center and
Desert Valley Hospital,
Baltimore’s Union Memorial
Hospital, and many others
POLICE
Tewksbury Police Department
Swansea Police Department
Chicago suburb of Midlothian
Dickson County, Tennessee
Durham, N.H
Plainfield, N.J
Collinsville, Alabama,
hackers in Detroit demanded
$800,000 in bitcoin after they
had encrypted the city's
database.
Known Victims… So far
SCHOOLS GOVERNMENT
321 incident reports of
"ransomware-related
activity" affecting 29
different federal
networks since June
2015, according to the
Department of
Homeland Security.
South Carolina school
district paid $10,000 . A
New Jersey school district
was hit, holding up the
computerized PARCC exams.
Follett Learning's Destiny
library management
software, which is used in
US schools is vulnerable to
SamSam ransomware.
17. o network mitigation
o network countermeasures
o loss of productivity
o legal fees
o IT services
o purchase of credit monitoring services for
employees or customers
o Potential harm to an organization’s reputation.
Ransomware: Additional Costs
18. Ransomware poses a threat “to everyday Americans, law
enforcement, government agencies and infrastructure, and
sectors of our economy like healthcare and financial services.”
– Representative Derek Kilmer (D-WA)
“I am concerned that by hospitals paying these
ransoms, we are creating a perverse incentive for
hackers to continue these dangerous attacks”
–Senator Barbara Boxer
21. What is Cryptolocker?
o Began September 2013
o Encrypts victim’s files, asks for $300 ransom
o Impossible to recover files without a key
o Ransom increases after deadline
o Goal is monetary via Bitcoin
o 250,000+ victims worldwide
(According to Secureworks)
23. Attribution
Evgeniy Mikhailovich Bogachev, 30, of Anapa, Russia.
nickname “Slavik” ,indicted for conspiracy, computer
hacking, wire fraud, bank fraud, and money laundering .
Bogachev is identified as a leader of a cyber gang
of criminals based in Russia and Ukraine that is
responsible both GameOver Zeus and
Cryptolocker.
24.
25. Cryptodefense aka Cryptowall
o Cryptodefense is a newer variant of Cryptolocker.
o appeared in Feb 2014
o no GUI
o pops up a webpage, drops text file
o Uses TOR for anonymous payments
26.
27. Locky
o Installed by Dridex gang
o Word documents with
macros over email
o Also used JavaScript,
Powershell
o over 400,000 victims
in hours Palo Alto Networks Unit 42
28. o First seen: Nov 2014,
new versions throught 2015
o Target: North American and
European Banks
o Distribution: Spam mails with
Word Documents
o Some version use p2p over http for
carrying out botnet communication
o Uses web injects to carry out man-
in-browser attack, Uses VNC
Dridex Gang
33. Android SimpleLocker
May 2014 – Simplelocker appears in Ukraine
- Asks for $22 USD using Monexy
- Uses TOR for C&C
Checks SD card for:
jpeg, jpg, png, bmp, gif, pdf, doc, docx, txt, avi, mkv, 3gp, mp4
Unlike Cryptolocker,
Encryption key is hardcoded
on the malware. Encrypted
files are appended with
“.enc”.
34. 2016 Ransomware tricks
o Encrypting the whole drive (Petya)
o Encrypting network drives
o Deleting cloud backups
o Encrypting web servers (Kimcilware)
o Ransomware as a Service (RAAS)
36. Tips to Avoid Ransomware Infection
o Install the latest patches for your software,
especially Adobe, Microsoft and Oracle apps
o Use network protection
o Use a comprehensive endpoint security
solution with behavioral detection
o Turn Windows User Access Control on
37. Tips to Avoid Ransomware Infection
o Be skeptical: Don’t click on anything
suspicious
o Block popups and use an ad-blocker
o Override your browser’s user-agent*
o Consider Microsoft Office viewers
38. Tips to Avoid Ransomware Infection
o Be skeptical: Don’t click on anything
suspicious
o Block popups and use an ad-blocker
o Override your browser’s user-agent*
o Consider Microsoft Office viewers
40. Tips to Avoid Ransomware Infection
o Identify Ransomware and look for a decryptor:
o Shadow Copies
o Turn off computer at first signs of infection
o Remember: the only effective
ransomware defense is backup
https://id-ransomware.malwarehunterteam.com/
41. Tips to Avoid Ransomware Infection
o List of free decryptors: http://bit.ly/decryptors
42. Summary
1. Ransomware evolved into a major threat allowing criminals
to easily monetize malware infections via Bitcoin
2. Every platform is vulnerable to ransomware.
3. Due to current geopolitical situation, Eastern European
attackers will likely continue the barrage against US
businesses and individuals while enjoying safe haven in
their home country.
4. Backup your files! Since decrypting encrypted files is not
always possible frequent backups become even more
critical. And keep your backup offline.
Question 1 – how do they delete backup
Questino 2- how does bitcoin work
But First, let me introduce our team – Cyphort Labs.
We are a group of malware researchers in several countries who monitor malware and security trends daily, reverse engineer interesting malware samples and contribute to the Cyphort threat research. In addition our team deals with customer escalations -analyzing malware escalated by the support team, advising Cyphort engineering team on improving detection, and sharing threat intelligence on Cyphort Labs blog. For example, check out our post from Jan 4 on Radamant Ransomware distributed via Rig EK.. . You can find our blog at www.cyphort.com/blog
type of malware that restricts access to the infected computer system in some way, and demands that the user pay a ransom to the malware operators to remove the restriction
Lockers vs Cryptoware
During 2013, Kovter acted as a police ransomware –remaining on the device, listening to the user’s traffic, “waiting” for something to happen. Once a user enters their account credentials or uses file sharing applications to download unsolicited files, Kovter pops up a message stating the user violated the law, demanding they pay a fine
Joseph Edwards, 17, who hanged himself after receiving a scam e-mail which he believed was from the police and referred to indecent photos.
A schoolboy hanged himself after receiving a bogus "police" email which claimed he had been looking at illegal websites and had to pay £100 or face being prosecuted.
A-level student Joseph Edwards suffered from autism which probably made him more susceptible to believing the scam was genuine, a coroner heard on Thursday.
The 17-year-old was found hanged at his home by his mother who has since launched a campaign to make children more aware of the dangers from internet scams, many of which originate from abroad.
In 2015, we saw widespread infections from ransomware, which encrypt files and demand a ransom for their safe return. In June, the FBI said it received 992 CryptoWall-related complaints in the preceding year, with losses totaling more than $18 million.
Attackers will continue to deploy ransomware for financial gain, and they will get more specialized.
Ransomware is frequently installed through driveby exploits on compromised websites , for example Angler kit installed Cryptowall and Cryptolocker
In November Russian antivirus firm DrWeb discovered a Linux version of ransomware, that locks the files on the website.
Typically, the malware is injected into Web sites via known vulnerabilities in site plugins or third-party software — such as shopping cart programs. Once on a host machine, the malware will encrypt all of the files in the “home” directories on the system, as well backup directories and most of the system folders typically associated with Web site files, images, pages, code libraries and scripts.
To obtain the private key and php script for this computer, which will automatically decrypt files, you need to pay 1 bitcoin(s) (~420 USD),” the warning read. “Without this key, you will never be able to get your original files back.
http://krebsonsecurity.com/2015/11/ransomware-now-gunning-for-your-web-sites/
Medical record is worth 10x
more than a credit card*.
Prior to Bitcoin’s rise in popularity, the principal way that attackers extracted their ransom was by instructing victims to pay by wire transfer or reloadable prepaid debit cards — principally Greendot cards sold at retailers, convenience stores and pharmacies.
But unlike Bitcoin payments, these methods of cashing out are easily traceable if cashed out in within the United States, the ICSI’s Weaver said.
“Bitcoin is their best available tool if in they’re located in the United States,” Weaver said of extortionists. “Western Union can be traced at U.S. cashout locations, as can Greendot payments. Which means you either need an overseas partner [who takes half of the profit for his trouble] or Bitcoin.”
Criminals prefer Bitcoin because it’s easy to use, fast, publicly available, decentralized, and provides a sense of heightened security/anonymity.What is Bitcoin?
Since anything digital can be copied over and over again, the hard part about implementing a digital payment system is making sure that nobody spends the same money more than once. Traditionally, this is done by having a trusted central authority (like PayPal) that verifies all of the transactions. The core innovation that makes Bitcoin special is that it uses consensus in a massive peer-to-peer network to verify transactions. This results in a system where payments are non-reversible, accounts cannot be frozen, and transaction fees are much lower.
Where do bitcoins come from?
We go more in-depth about this on the page about mining, but here’s a very simple explanation: Some users put their computers to work verifying transactions in the peer-to-peer network mentioned above. These users are rewarded with new bitcoins proportional to the amount of computing power they donate to the network.
Who controls Bitcoin?
As we mentioned above, there is no central person or central authority in charge of Bitcoin. Various programmers donate their time developing the open source Bitcoin software and can make changes subject to the approval of lead developer Gavin Andresen. The individual minersthen choose whether to install the new version of the software or stick to the old one, essentially “voting” with their processing power. It is in the miners’ best interest to only accept changes that are good for the Bitcoin currency in the long run. These checks and balances make it difficult for anyone to manipulate Bitcoin.
How to get started with Bitcoin
The best way to learn about Bitcoin is to get some and experiment. We have written articles about how to set up your own Bitcoin wallet, how to acquire bitcoins, and how to use bitcoins to help you get going. We have also written about a number of other Bitcoin topics if you prefer a hands-off approach to learning. If your questions remain unanswered, please contact us and ask us anything you like.
it’s a very successful criminal business model with many copycats.
this is just one of the findings of Ransomware. A Victim’s Perspective: A study on US and European Internet Users (PDF), a report conducted by Bitdefender in November of last year.
In a recent high-profile case, the Hollywood Presbyterian Medical Center declared an internal emergency after suffering on outbreak of ransomware. Ultimately, this hospital decided to ante up the required Bitcoin ransom payment, handing over $17,000 in order to get access to its computers. The original ransom demand was for $3.7 million in Bitcoins, so if nothing else, that is some decent negotiating on the part of the hospital.
how much money
$24 million in hostage payments according to FBi. But experts say those figures are dwarfed by the actual payments, which likely exceed half a billion dollars per year.24million < x < 500million
cryptowall alone is $325 million (400,000 payments) according to CTA report: http://www.coindesk.com/cryptowall-325-million-bitcoin-ransom/
The financial impact to victims goes beyond the ransom fee itself, which is typically between $200 and $10,000. Many victims incur additional costs associated with network mitigation, network countermeasures, loss of productivity, legal fees, IT services, and/or the purchase of credit monitoring services for employees or customers
Cyber-criminals collected $209 million in the first three months of 2016 by extorting businesses and institutions to unlock computer servers.
At that rate, ransomware is on pace to be a $1 billion a year crime this year. The FBI told CNN that the number "is quite high" because a few people "reported large losses."
2014 - 25M2015 - 25M2016 - 1000M (estimate)
This year i have seen more new ransomware this year than in all of previous years combined.
2005 - PGPCoder Trojan – 1024 RSA key, collects money via EGOLD
2009 Bitcoin was invented by Satoshi Nakamoto
2012 Reveton Trojan, aka Police Trojan. collects money via Moneypak
2013 BitCoin becomes popular, Cryptolocker appears
The very first known piece of ransomware was the AIDS Trojan (also called PC Cyborg). The AIDS trojan was spread via floppy disks, and was activated when the infected computer had restarted 90 times. On the 90th boot, the trojan replaced the computer’s autoexec.bat and then hid directories and encrypted filenames. The victim was required to send payment of 189 USD via mail to “PC Cyborg Corporation”, which operated out of a PO Box in Panama.
We first saw modern ransomware in 2005, when gpCode (also called PGPCoder) emerged. MS Office files like Excel spreadsheets and Word documents, HTML files, pictures, and compressed archives like zip files were targeted by gpCode and were encrypted. The only way for the victim to get their files back was to pay a ransom to an account on the now-defunct e-gold and Liberty Reserve online currencies. In the case of gpCode though, there were many weaknesses allowing victims to recover their files without paying the ransom.
After gpCode, a new breed of malware emerged - the “Police” malware. Once infected, your machine is typically “locked” was locked and an alert was showin informing you the “FBI” have detected illegal activity on your computer - illicit downloading or filesharing, child pornography or other distasteful and potentially illegal activities - and you must pay the FBI a “fine” in order to get control of your computer back.
Typically these kinds of malware required you to head down to your local retailer or grocer and obtain a pre-paid credit card, commonly the easy to use Green Dot MoneyPak, and pay for the “fine” that way.
http://blog.fortinet.com/Derek-Manky-Talks-BadBIOS-and-Cryptolocker---Network-World-Podcast/
So, now lets talk about the most famous crypto ransomware, known as Cryptolocker.
Ransom Cryptolocker is ransomware that on execution locks the user's system thereby leaving the system in an
unusable state. It also encrypts the list of file types present in the user’s system. The compromised user has to pay the
attacker with ransom to unlock the system and to get the files decrypted.
Malware first appeared September 2013
Encrypts computer files of its victims and forces them to pay hundreds of dollars to unlock.
If the victim does not pay the ransom, it is impossible to recover the files, due to the key length of Cryptolocker
To recover the files past the deadline, the price usually doubles or triples.
More than 250,000+ victims, mostly in USA and UK
Russian Evgeniy Bogachev, aka "lucky12345" and "slavik", was charged by the US FBI of being the ringleader of the gang behind Gameover Zeus and Cryptolocker.
CryptoLocker was isolated in late-May 2014 via Operation Tovar—which took down the Gameover ZeuS botnetthat had been used to distribute the malware. During the operation, a security firm involved in the process obtained the database of private keys used by CryptoLocker, which was in turn used to build an online tool for recovering the keys and files without paying the ransom. It is believed that the operators of CryptoLocker successfully extorted a total of around $3 million from victims of the trojan
https://www.decryptcryptolocker.com/ - Aug 2014 - now decomissioned.
FBI’s Washington Field Office, in coordination with law enforcement counterparts from Canada, Germany, Luxembourg, the Netherlands, United Kingdom, and Ukraine.
In a little more than a year, consumers affected by the Cryptowall ransomware have reported to the FBI more than $18 million in losses related to infections from the malware.
Cryptowall is among the group of ransomware families that encrypt the files on victims’ computers and then demands a ransom in order to obtain the decryption key. The infections typically begin with either a phishing email or when the victim goes to a site hosting an exploit kit. Some of the infections rely on exploiting vulnerabilities in software on users’ machines, but just as often the malware is delivered when a user clicks on a malicious link and downloads the malware.
The Cryptowall family has gone through a number of iterations during its roughly 16-month lifespan. One of the key change the attackers behind this malware have made is the use of Tor in order to hide its command-and-control infrastructure. Other ransomware, such as Critroni, have employed the same tactic.
Ransomware typically demands that users pay ransom in Bitcoin or other electronic payment method, and the FBI said in an alert issued Tuesday that the financial effect on victims has been extensive.
“CryptoWall and its variants have been used actively to target U.S. victims since April 2014. The financial impact to victims goes beyond the ransom fee itself, which is typically between $200 and $10,000,” the alert from the FBI’s Internet Crime Complaint Center says.
- See more at: https://threatpost.com/fbi-says-cryptowall-cost-victims-18-million-since-2014/113432#sthash.f9RvwR26.dpuf
This variant no longer has a graphical user interface (GUI). Instead the malware will just open a webpage after encryption and leave a text file at every directory that was encrypted. The instructions to get the key to decrypt your files have you install anonymous tor or other layered encryption browsers so you can pay them directly and securely.
TruthAboutGUns was infected with this on 2015-04-11 06:14:56
Cryptowall – ransomware
Cryptodefense is a newer variant of Cryptolocker.
appeared in Feb 2014
no GUI
pops up a webpage, drops text file
Uses TOR for anonymous payments
The attachment is a ZIP file with the malware inside in an SCR executable format. This is a Cryptowall 3.0 variant.
When executed, the malware spawns a new copy of explorer.exe, which in turn spawns an instance of svchost.exe, the Windows service host. The malware hooks svchost.exe and begins communicating with its command and control network.
During this communication, the malware retrieves a PNG image , with four URLs; The URLs are the destination where victims may pay the ransom, and are using "Tor gateway" -- a Web proxy that obfuscates the location where the ransomware demand server is located. The ransomware drops the image in every directory that contains a file which has been encrypted by the malware.
“Locky” feels like quite a cheery-sounding name.
But it’s also the nickname of a new strain of ransomware, so-called because it renames all your important files so that they have the extension .locky.
Of course, it doesn’t just rename your files, it scrambles them first, and – as you probably know about ransomware – only the crooks have the decryption key.
You can buy the decryption key from the crooks via the so-called dark web.
The prices we’ve seen vary from BTC 0.5 to BTC 1.00 (BTC is short for “bitcoin,” where one bitcoin is currently worth about $400/£280)
Another ransomware which had great impact. The actors behind these are also actors behind the infamous Dridex.
It arrives by mail and the attachment is a Word document with macros.
Upon opening the document the macros infects the computer.
It deletes any security copies that Windows has made and starts to encrypt the files.
Once finished, it opens a file called “_Locky_recover_instructions.txt” in the notepad.
So, now lets talk about the most famous crypto ransomware, known as Cryptolocker.
Ransom Cryptolocker is ransomware that on execution locks the user's system thereby leaving the system in an
unusable state. It also encrypts the list of file types present in the user’s system. The compromised user has to pay the
attacker with ransom to unlock the system and to get the files decrypted.
encrypts network drives
It used to be that the first versions of Cryptolocker were not smart enough to go after data on network drives and only inflicted unwanted encryption on files stored locally to a machine. This could still be paralyzing in some instances, but for medium to large businesses who stored the majority of their data on network shared drives and SANs or NASes, this provided a level of relief.
That is sadly not the case anymore, because as the virus has grown more successful and more profitable to the writers, most of the ransomware variants can now traverse network drives and UNC paths, encrypting anything that they can actually touch and access with the level of permissions granted to the user account under which the malware is executing. The results, as you can tell from recent news reports about ransomware, can wreak havoc.
they expanded from targeting users files on user computers to encrypting entire hard drives (Petya) and to targeting servers (RansomWeb, Kimcilware)
it also goes from targeting individuals to businesses and the ransom increases (from roughly $500 per computer to $15,000 for the entire enterprise)
new ransomware tricks
Ransomware has evolved and new services, tactics, techniques have increased the stakes. In the past, backing up your data to cloud storage and file shares was safe. However, newer versions of ransomware have been able to traverse to those shared file systems making them susceptible to the attack. Another interesting aspect is the Ransomware as a Service model offered on underground networks such as Tor. This service model will provide the malicious code and infrastructure to facilitate the transfer of funds and the encryption key for the victim to be able to access their information.
drive-bye's
and
email (ms office documents, and JS in ZIP)
- Phishing emails may contain malicious attachments. These attachments are not always delivered in executable form; as security vendors and security best practices dictate that receiving executables via email is, in general, something we want to prevent, threat actors have to adapt to the changing landscape. This can be done by indirect delivery mechanisms. In Windows, for example, a malicious actor may opt for a less direct method of delivery: embed an obfuscated Javascript file into an archive, and rely on the end user for the rest. Opening a .JS file on a Windows host will launch the default browser, and the Javascript can then reach out to an external URL to grab an executable, deliver it to the victim, and execute it. At this point, preventing users from receiving executables via email is no longer effective, as the executable is delivered via HTTP.
- Exploit kits (such as Angler, or Neutrino) have been known to deliver ransomware to users by exploiting vulnerable web servers and hosting malicious web scripts on them which exploit visitors when certain criteria are met, and then delivering a malicious payload (Reference)
Always use antivirus software and a firewall. It's important to obtain and use antivirus software and firewalls from reputable companies. It's also important to continually maintain both of these through automatic updates.
Enable popup blockers. Popups are regularly used by criminals to spread malicious software. To avoid accidental clicks on or within popups, it's best to prevent them from appearing in the first place.
Always back up the content on your computer. If you back up, verify, and maintain offline copies of your personal and application data, ransomware scams will have limited impact on you. If you are targeted, instead of worrying about paying a ransom to get your data back, you can simply have your system wiped clean and then reload your files.
The only effective ransomware defense is backup
Be skeptical. Don’t click on any emails or attachments you don't recognize, and avoid suspicious websites altogether.
Identify Ransomware and look for decryptor
https://id-ransomware.malwarehunterteam.com/
This service will only assess the ransom note, and encrypted files to determine the ransomware.
Always use antivirus software and a firewall. It's important to obtain and use antivirus software and firewalls from reputable companies. It's also important to continually maintain both of these through automatic updates.
Enable popup blockers. Popups are regularly used by criminals to spread malicious software. To avoid accidental clicks on or within popups, it's best to prevent them from appearing in the first place.
Always back up the content on your computer. If you back up, verify, and maintain offline copies of your personal and application data, ransomware scams will have limited impact on you. If you are targeted, instead of worrying about paying a ransom to get your data back, you can simply have your system wiped clean and then reload your files.
The only effective ransomware defense is backup
Be skeptical. Don’t click on any emails or attachments you don't recognize, and avoid suspicious websites altogether.
Identify Ransomware and look for decryptor
https://id-ransomware.malwarehunterteam.com/
This service will only assess the ransom note, and encrypted files to determine the ransomware.
Always use antivirus software and a firewall. It's important to obtain and use antivirus software and firewalls from reputable companies. It's also important to continually maintain both of these through automatic updates.
Enable popup blockers. Popups are regularly used by criminals to spread malicious software. To avoid accidental clicks on or within popups, it's best to prevent them from appearing in the first place.
Always back up the content on your computer. If you back up, verify, and maintain offline copies of your personal and application data, ransomware scams will have limited impact on you. If you are targeted, instead of worrying about paying a ransom to get your data back, you can simply have your system wiped clean and then reload your files.
The only effective ransomware defense is backup
Be skeptical. Don’t click on any emails or attachments you don't recognize, and avoid suspicious websites altogether.
Identify Ransomware and look for decryptor
https://id-ransomware.malwarehunterteam.com/
This service will only assess the ransom note, and encrypted files to determine the ransomware.
RansomWhere? is a utility with a simple goal; generically thwart OS X ransomware. It does so by identifying a commonality of essentially all ransomware; the creation of encrypted files. Generally speaking, ransomware encrypts personal files on your computer, then demands payment (the ransom) in order for you to decrypt your files. If you fail to pay up, and don't have backups of your files, they may be lost forever - that sucks! This tool attempts to generically prevent this, by detecting untrusted processes that are encrypting your personal files. Once such a process is detected, RansomWhere? will stop the process in its tracks and present an alert to the user. If this suspected ransomware, is indeed malicious, the user can terminate the process. On the other hand, if its simply a false positive, the user can allow the process to continue executing. To install RansomWhere? and gain continual protection, first download the zip archive containing the application. Depending on your browser, you may need to manually unzip the application by double-clicking on the zipped archive:
Locky also removes any Volume Snapshot Service (VSS) files, also known asshadow copies, that you may have made.
Shadow copies are the Windows way of making live backup snapshots without having to stop working – you don’t need to logout or even close your applications first – so they are a quick and popular alternative to a proper backup procedure.
Shadow Copies
Sometimes crypto ransomware can have weaknesses in their implementation which could allow victims to
recover at least some of their files without paying. For example, Windows can be set up to make recovery
points at regular intervals. These backups are called shadow copies. If this service is enabled and if a crypto
ransomware does not interfere with this feature, it may be possible recover some files using this method. This
blog details various Windows tools that can be useful to aid recovery in case of a crypto ransomware attack.
File recovery software
Another point worth noting is that when a file is deleted in Windows, the contents of the file are not usually
scrubbed from the physical disk itself. Instead, the entries defining the file are removed from the disk allocation
tables, freeing up the space. The original data in the freed space is not overwritten until a new file is written to
the same space on the disk. This makes it possible to recover delete files if the disk space has not already been
overwritten by another file. Victims can use file recovery software such as PhotoRec to scan for deleted files and
recover them.
No bullet-proof solution
It should be noted that the more advanced crypto ransomware groups are aware of these techniques and take
steps to prevent their successful use. As a result, some crypto ransomware threats delete shadow copies to
prevent victims from being able to recover files. Similarly, other crypto ransomware threats such as Trojan.
Ransomcrypt.R use a secure deletion tools such as SDelete to ensure that original files are securely erased from
the disk after encryption. In this situation, the only answer is to have a backup of the files as there is no practical
way for the files to be recovered or decrypted without the right key.
The business of backing up data will thrive because of recent high-profile ransomware attacks