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This document discusses packet sniffing and network monitoring. It defines a sniffer as a tool that can capture and display network data in transit. It explains that sniffers work by putting network adapters in promiscuous mode to listen to all traffic, not just traffic addressed to that system. The document outlines different types of sniffing attacks and protocols that are vulnerable when not encrypted. It also provides examples of sniffer tools and ways to detect and protect against sniffing on a network, such as using encryption, static configurations, and intrusion detection systems.
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Packet capturing
Packet capturing software works by intercepting and logging network traffic. It sets the network interface card to promiscuous mode to read all incoming packets. Packet sniffers passively receive data frames and can be used to troubleshoot networks, but they also allow sensitive data like usernames and passwords to be intercepted if in the wrong hands. Detection methods involve sending fake network traffic and monitoring for unauthorized duplication of responses to identify potential sniffing software.
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Anti wiretapping-act
The document summarizes Republic Act 4200, also known as the Anti-Wiretapping Act. The law prohibits wiretapping and other violations of communication privacy, except when authorized by a court order for specific serious crimes. It establishes restrictions on possessing or sharing illegally obtained recordings and excludes such recordings as evidence. The law was enacted in 1965 to protect privacy rights in the Philippine constitution and stop government spying. An example of its application is the "Hello Garci" wiretapping scandal involving President Arroyo.
Us legislation authorizing wiretapping
The document summarizes the history of US legislation authorizing wiretapping and electronic surveillance. It discusses that wiretapping was originally a felony but was ruled legal by the Supreme Court in 1928. The Omnibus Crime Control and Safe Streets Act of 1968, also known as the Wiretap Act, prohibited unauthorized wiretapping but established procedures for law enforcement to obtain warrants. The Electronic Communications Privacy Act of 1986 extended these protections to electronic communications. The USA PATRIOT Act, passed after 9/11, expanded the surveillance capabilities of law enforcement and intelligence agencies.
Internet Wiretapping - Government and Law Use (Omnivore, Carnivore, DragonWar...
- Origins of Internet Wiretapping
- How Does It Work
- Targets of Internet Wiretapping
- Programs and Laws Involving Internet Wiretapping
- Controversy surrounding Internet Wiretapping
- Protection from Internet Wiretapping
- Potential Future of Internet Wiretapping
Anti wiretapping law and related issues consti-ii
The document discusses the benefits of exercise for mental health. Regular physical activity can help reduce anxiety and depression and improve mood and cognitive functioning. Exercise causes chemical changes in the brain that may help boost feelings of calmness, happiness and focus.
Wiretaps
The companion PowerPoint presentation for Chapter Fourteen (Wiretaps) for the book Police Technology.
Metasploit @ 2010 Utah Open Source Conference
Metasploit is a powerful application to use in a penetration test. It is an application that all security professionals and systems administrators should be familiar with. This presentation goes over the basics of Metasploit and some of its many capabilities.
Social engineering
Social engineering is a form of hacking that exploits human trust and helpfulness. It is done through impersonation, phone calls, email, or in-person interactions to obtain sensitive information. Anyone can be a target if the social engineer can build rapport and trust. Common techniques include pretending to need technical help, claiming to be from the same organization, or creating a sense of urgency or fear in the target. Education and strict security policies are needed to combat social engineering threats.
Social engineering presentation
Social engineering is a type of attack that manipulates people into revealing sensitive information or performing actions that violate security policies. It works by exploiting human trust and the natural tendency to help others. Attackers first gather information about targets, then develop relationships to gain trust before exploiting that trust to obtain access or steal information. Common social engineering techniques include phishing emails and calls where attackers pretend to be from technical support. While no system can fully prevent social engineering, organizations can minimize risks by educating users and restricting what sensitive information users provide over the phone or to unknown parties.
Metasploit
This document provides an overview of the Metasploit Framework and penetration testing. It discusses key Metasploit concepts like exploits, payloads, and modules. It also covers common penetration testing techniques like intelligence gathering, vulnerability scanning, exploitation, and post-exploitation activities. The document aims to teach first-time Metasploit users how to use the framework and interact with the Metasploit community. It includes instructions for common tasks like launching simulated attacks, bypassing antivirus software, and writing custom modules and exploits.
Sniffer
The document describes a sniffer device that can detect and locate lost mobile phones. The sniffer works by creating a small base station that operates at a different frequency than mobile networks. It includes a transceiver, directional antenna, and software to store and check IMEI numbers of lost phones against those in its database. When a lost phone is powered on near the sniffer, it can detect the phone's IMEI number and track its location using GPS. While complex, the sniffer provides an effective and low-cost solution for large-scale detection of lost mobile phones.
Basic Metasploit
Metasploit Framework adalah alat penetrasi yang dibuat dengan bahasa program Ruby untuk menguji kerentanan sistem komputer. Salah satu fiturnya yang paling terkenal adalah kemampuan melakukan eksploitasi jarak jauh (Meterpreter Session) untuk mengendalikan komputer korban meski penyerang berada jauh. Metasploit menggunakan eksploit yang berisi payload untuk mengeksploitasi celah keamanan pada perangkat lunak target, kemudian memasukkan payload
Metasploit for Penetration Testing: Beginner Class
1. An introduction to Metasploit basics, terminology, and interfaces like Msfconsole.
2. A demonstration of exploiting vulnerabilities using Metasploit modules and payloads like Meterpreter.
3. A discussion of post-exploitation techniques in Metasploit like privilege escalation, lateral movement, and maintaining access.
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Chapter 12
The document discusses network security tools in Linux including port scanners, packet sniffers, and intrusion detection systems. Port scanners like Nmap can identify services on a system by probing open ports, while packet sniffers such as Ethereal examine all network traffic. Intrusion detection software watches for intrusion attempts, with PortSentry monitoring for port scans and LIDS securing the system. System administrators can use these tools along with security audits to test vulnerabilities and improve their network security.
INTERNATIONAL INDEXED REFEREED RESEARCH PAPER
INTERNATIONAL INDEXED REFEREED RESEARCH PAPERINTERNATIONAL INDEXED,REFERRED,MULTILINGUAL,INTERDISCIPLINARY, MONTHLY RESEARCH JOURNAL
IP spoofing is a method of attacking a network by disguising the source IP address of packets sent to a target. The attacker determines the IP address of a trusted machine and spoofs packets to appear to come from that machine. This allows the attacker to potentially gain unauthorized access to the target system. Successful IP spoofing exploits flaws in the TCP/IP protocol that allow modification of source IP addresses but rely on the destination address for routing responses. Defenses include packet filtering, filtering at routers, encryption, and cryptographic methods.Cyber_Threat_Intelligent_Cyber_Operation_Contest
The document provides information on how attackers typically gather information for cyber attacks. It discusses how most attacks these days are web-based or involve social engineering to use legitimate systems against unsuspecting users. The document then outlines the steps attackers may take to gather information, including using open source intelligence to find online information, network sniffing to capture network data, DNS scanning to discover domain information, and port scanning to find open ports on systems. It provides details on these various information gathering techniques and suggests some methods like encryption, firewalls, and disabling promiscuous modes to limit the flow of information and detect sniffing software.
OSTU - Chris Sanders on Wireshark
Chris Sanders is a 21 year old college senior at Murray State University and a network consultant for KeeFORCE, one of western Kentucky's largest technical consulting firms. In this role Chris works with businesses of all sizes, consulting on issues including network planning, traffic analysis, and general network administration. He also hosts his own website, ChrisSanders.org, which offers tutorials, guides, and technical commentary, including the very popular Packet School 101. In addition, Chris is a staff writer for WindowsNetworking.com and WindowsDevCenter.com. For the last few years, he has used Wireshark for packet analysis almost daily. Recently, Chris authored his second book, entitled Practical Packet Analysis: Using Wireshark to Solve Real-World Network Problems.
Cyber security tutorial1
This document provides an overview of cyber security vulnerabilities and scanning. It defines what a vulnerability is, lists common types like buffer overflows and input validation issues. It explains what ports are and lists commonly used port numbers. It also defines packet sniffing and lists packet sniffers like Wireshark that can capture network traffic. It concludes by describing the packet analyzers TCPdump and Windump that can read and write network packets.
Ceh v5 module 07 sniffers
The document discusses sniffing and packet capture techniques used for ethical hacking. It defines sniffing as intercepting network traffic to steal passwords, emails, files and other sensitive data. It describes protocols vulnerable to sniffing like HTTP, SMTP, FTP etc. It covers tools for sniffing like Wireshark, tcpdump. It discusses active sniffing techniques like ARP spoofing using tools like Arpspoof, Ettercap and MAC flooding using Macof, Etherflood. It also covers DNS poisoning and tools in the dsniff package for sniffing passwords and files.
Module 3 Scanning
The document discusses scanning techniques used during penetration testing and hacking. It defines different types of scanning like port scanning, network scanning, and vulnerability scanning. It describes tools like Nmap that can be used to perform these scans and examines techniques like SYN scanning, XMAS scanning, NULL scanning, and IDLE scanning. The document also discusses using proxies and anonymizers to hide one's location while scanning and ways to document results like creating network diagrams of vulnerable systems.
Nmap & Network sniffing
Network reconnaissance tools like Nmap and THC-Amap are used to discover hosts, services, and potential vulnerabilities on a computer network. Nmap sends custom packets to analyze responses and build a network map, while THC-Amap identifies applications listening on ports. Network sniffing tools such as Wireshark, TcpDump and WinDump capture and analyze packet-level traffic to locate network problems. Common sniffers also include Ettercap, Hping and Kismet. Injection interferes with network connections by constructing spoofed packets.
A Deeper Look into Network Traffic Analysis using Wireshark.pdf
This document discusses network traffic analysis using Wireshark. It begins with an introduction to how network traffic analysis is important for performance optimization, network forensics, penetration testing, and ensuring integrated systems work properly. It then discusses how traffic analysis can be used maliciously by attackers to obtain sensitive information like passwords and files. The document goes on to explain how Wireshark can be used for both legitimate network analysis and malicious attacks, and describes different types of network attacks like passive and active attacks. It also discusses methods attackers can use to sniff network traffic on a switch. The document concludes with recommendations for countermeasures like access restrictions, encryption, and switch security features.
SOFTWARE TOOLS(Bhavik).pptx
This document discusses various networking tools including Tracert, Ipconfig, ARP, Ping, NSLookup, Dig, route, netstat, Wireshark, port scanners, and throughput testers. It provides information on what each tool is used for and how to use some of the tools like Tracert to diagnose network issues, Ipconfig to view IP settings, and Wireshark which is a network packet analyzer that can capture, filter, and visualize network traffic in real-time. It also discusses how third party tools like port scanners and throughput testers can be used to measure network performance.
an_introduction_to_network_analyzers_new.ppt
This document introduces network analyzers and Wireshark. It discusses that network analyzers are used to capture, decode, and analyze network traffic through both hardware and software tools. Wireshark is an open-source network analyzer that can decode over 750 protocols and supports both command line and GUI interfaces. It discusses how to install Wireshark and libpcap drivers and provides an overview of how to use the basic Wireshark interface.
Ip security
The document provides an overview of IP security (IPSec) by discussing the security problem with the current Internet protocol, understanding the TCP/IP model, where security can be implemented in the network stack, and the goals and services provided by IPSec. It describes the key components of IPSec including security associations, modes of operation for authentication header and encapsulating security payload, and key management. In addition, it provides examples of real-world IPSec deployment and summaries of the authentication header and encapsulating security payload protocols.
Virtual Labs SniffingConsider what you have learned so far
Virtual Labs: Sniffing
Consider what you have learned so far about Sniffing as you review the objectives and scenario below. Complete the lab that follows on EC-Council's website using the link below.
Objective
Sniffing is performed to collect basic information from the target and its network. It helps to find vulnerabilities and select exploits for an attack. It determines the network, system, and organizational information.
The objective of this lab is to make students learn to sniff a network and analyze packets for any attacks on the network. The primary objectives of this lab are to:
Sniff the network
Analyze incoming and outgoing packets
Troubleshoot the network for performance
Secure the network from attacks
Scenario
“Sniffing” is the process of monitoring and capturing data packets passing through a given network using software or hardware devices. There are two types of sniffing: passive and active.
Passive sniffing refers to sniffing on a hub-based network; active sniffing refers to sniffing on a switch-based network.
Although passive sniffing was predominant in earlier days, proper network-securing architecture has been implemented (switch-based network) to mitigate this kind of attack. However, it contains a few loopholes in switch-based network implementation that can open doors for an attacker to sniff network traffic.
Attackers hack the network using sniffers, where he/she mainly targets the protocols vulnerable to sniffing. Some of the protocols vulnerable to sniffing include HTTP, FTP, SMTP, POP, and so on. The sniffed traffic comprises FTP and Telnet passwords, chat sessions, email and web traffic, DNS traffic, and so on. Once attackers obtain such sensitive information, they might attempt to impersonate target user sessions.
Thus, it is essential to assess the security of the network’s infrastructure, find the loopholes in it and patch them up to ensure a secure network environment. So, as an ethical hacker/penetration tester, your duties include:
Implementing network auditing tools such as Wireshark, and Cain & Abel, etc. in an attempt to find loopholes in the network.
Using security tools such as PromqryUI to detect attacks on the network, and so on.
The lab this week will provide you with real-time experience in sniffing.
Week 6 Lab Assignment 1: Sniffing Passwords Using Auditing Tools
Lab Task:
The objective of this lab is to demonstrate sniffing to capture traffic from multiple interfaces and collect data from any network topology.
In this lab, you will learn how to:
Capture Passwords of Local Interface and
Capture traffic from Remote Interface
Lab Description:
Data traversing an HTTP channel is prone to MITM attacks, as it flows in plain-text format. Network administrators can use sniffers to troubleshoot network problems, examine security problems, and debug protocol implementations. However, an attacker can use tools such as Wireshark and sniffs the traffic flowing between the clien ...
Packet sniffer repot
The document discusses methods for detecting packet sniffers on a network. It describes how packet sniffers work and common sniffing tools and methods, including IP-based, MAC-based, and ARP-based sniffing. It then outlines two detection methods used by Anti-Sniff: MAC detection and DNS detection. MAC detection works by sending packets with invalid MAC addresses and checks if any hosts respond. DNS detection generates fake network traffic and checks if any DNS lookups are made for the invalid source IP address, which would indicate a sniffer is performing reverse lookups.
Exploiting Network Protocols To Exhaust Bandwidth Links 2008 Final
The document discusses denial of service (DoS) attacks and how to mitigate them. It begins by defining DoS attacks and some common types like Smurf and Fraggle attacks. It then discusses tools like hping that can be used to craft packets for DoS attacks or testing defenses. The document concludes by outlining techniques to prevent networks from being used in DoS amplification attacks and recommends configuring firewalls and filters to detect and block flood traffic.
Router forensics
This document discusses router forensics and security. It provides an overview of routers and common router attacks. It outlines the process of performing router forensics, including collecting volatile data, investigating incidents, and documenting findings. The document also discusses why router resources need protection and why router forensics is important for addressing security issues, monitoring activity, and regulatory compliance.
Firewall configuration
It is for the new users those don't have much knowledge regarding IT Security. Here i focus on Windows In built firewall, Comodo, Zone Alarm and Out Post pro configuration basics.
Avoiding Man in the Middle Attack Based on ARP Spoofing in the LAN
As technology is running on its wheels, networking has turned into one of our basic aspects. In this world along with
networking inimical vulnerabilities are also advancing in a drastic manner, resulting in perilous security threats. This calls for the great
need of network security. ARP spoofing is one of the most common MITM attacks in the LAN. This attack can show critical
implications for internet users especially in stealing sensitive information’s such as passwords. Beyond this it can facilitate other
attacks like denial of service(DOS), session hijacking etc..,. In this paper we are proposing a new method by encrypting MAC address
to shield from ARP cache poisoning
Network Protocol Analyzer
This document discusses network protocol analyzers. It describes what a network protocol analyzer is and some of its common uses, such as analyzing network problems, detecting intrusions, and monitoring network usage. It then lists some important network protocols like TCP, UDP, IP, and Ethernet and what they are used for. The document goes on to describe several popular network protocol analyzer tools, including Wireshark, Snort, Netcat, and Tcpdump. It provides more details on the Softperfect network analyzer tool, highlighting advantages like its ability to defragment packets and filter traffic.
Cyber security tutorial2
The document provides information on various network defense tools. It begins by defining a computer network and listing common network types. It then discusses firewalls, describing them as software or hardware that checks incoming and outgoing information on a network. It lists the main types of firewalls as packet filters, application gateways, circuit gateways, and unified threat management. It provides details on each type, such as how packet filters use transport layer information to filter packets and how application gateways use proxies. The document also covers network address translation (NAT) and port forwarding.
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Denial Of Service
The document discusses different types of denial of service (DoS) attacks, including distributed denial of service (DDoS) attacks. In a DoS attack, attackers flood a victim system with non-legitimate traffic to overload its resources and prevent authorized users from accessing it. A DDoS attack involves using compromised systems like bots in a botnet to launch a coordinated DoS attack from multiple sources against a single target. Specific attack types covered include SYN floods, which exploit the TCP three-way handshake process to fill a target's listen queue, and "phlashing" attacks, which can cause irreversible hardware damage.
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The document discusses the benefits of exercise for mental health. Regular physical activity can help reduce anxiety and depression and improve mood and cognitive function. Exercise causes chemical changes in the brain that may help protect against mental illness and improve symptoms.
Unblock all the Blocked sites in China
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Dom0 is the most privileged domain in Xen that provides the device drivers and user interface for the operating system. It handles all devices and provides the user interface to the hypervisor. DomU domains are guest domains with more restrictions that cannot directly access hardware and require hypercalls to Dom0. Multiple DomU domains can exist on a system and can be migrated between physical machines.
China Vs World
The document discusses the benefits of exercise for mental health. Regular physical activity can help reduce anxiety and depression and improve mood and cognitive function. Exercise causes chemical changes in the brain that may help protect against mental illness and improve symptoms.
Virtualization, Cloud computing and OS Fingerprinting
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what is Cloud Computing
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Interesting Email Services (Email Hacks)
Interesting Email Services
Email Hacks
Password Protected Email
Want to send an E-mail that no body can open without knowing secret password.?
Self Destructive Email
Send E-mail that will self-destruct after being read.
Disposable Email
Don’t want to give your Personal E-mail to Someone? Give Disposable E-mail. and Receive the Message.
Anonymous Email
Send E-mail to Anyone form Anyone’s E-mail
Gmail Hacks
Email Bomber
Send One E-mail to Thousand’s of Recipients. Or Send Thousand’s of E-mail’s to One Recipient
Email Tracker
Find out when your E-mails were read.
Find Almost Anybody’s Email
Identify someone from his e-mail
Got an E-mail form an unknown E-mail ID,and want to know who sent you this E-mail
The Mythical Man Month
The document summarizes key points from Frederick Brooks' book The Mythical Man-Month about software project management. It discusses Brooks' background and experience, why programming can be fun but also problematic, common reasons for project failures like unrealistic schedules and adding more people to late projects. It offers solutions like dividing large projects into segments handled by separate teams. The importance of documentation, communication, and updating skills are also covered.
Google Hacking and Power Search Techniques
The document discusses the benefits of exercise for mental health. Regular physical activity can help reduce anxiety and depression and improve mood and cognitive functioning. Exercise causes chemical changes in the brain that may help protect against developing mental illness and improve symptoms for those who already suffer from conditions like anxiety and depression.
Facts you don’t know about pakistan
Pakistan is the 2nd largest Muslim country, the 7th largest nuclear power, and has the 6th largest armed forces. It is the 4th largest producer of milk in Asia and about 50% of the world's footballs are made in Pakistan. The country has produced a Nobel Prize winner in Physics and is home to the 8th Wonder of the World, the Karakoram Highway, and the world's 2nd highest mountain, K2.
Interesting email service’s
This document describes several email services including:
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4) Anonymous emails that allow sending emails without revealing the identity of the sender.
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Wiretapping
- 3. • Introduction • What is sniffer • Sniffing Threats • How a sniffer Work • Type of Sniffing • Protocol vulnerable to sniffing • Tools to Sniff Network Traffic • How to setup a Sniffing Attack • How to protect your self from Sniffing • Tools to detect sniffer on a network
- 4. Wire tapping is process of monitoring the Telephone and Internet conversation by third party. Type of Wiretapping
- 5. A Sniffer is a packet-capturing or frame-capturing tool. It basically captures and displays the data as it is being transmitted from host to host on the network.
- 7. A Sniffer turns the NIC of a system into Promiscuous(pro-mis-cu-os) mode so that it listen all the data transmitted on its segment. Sniffer can constantly Read all the information entering to the computer through NIC by Decoding the Information encapsulated in Data Packet.
- 8. There are Two types of Sniffing Attack Active Sniffing Passive Sniffing
- 9. “Passive Sniffing “mean sniffing trough a Hub. Passive Sniffing Involves sending no packets, and Monitoring the Packets sent by others. But Hub Usage is Outdated today.
- 10. When Sniffing is performed on a Switched network, is known as “Active Sniffing”. Active Sniffing Relies on Injecting Packets (ARP) into the Network, that Cause traffic.
- 11. Telnet and Rlogin HTTP SMTP NNTP POP FTP IMAP Keystrokes including User Name & Passwords Data sent in clear text Password and data sent in clear text Password and data sent in clear text
- 12. SPAN Port is Port which is configure to Receive a Copy of Every Packet that passes through a Switch
- 13. Sniffing Tools WireShark TCP Dump Cain & Able Capsa
- 27. Restrict the physical access to the network media to ensure that a packet sniffer cannot be installed Use Encryption to protect confidential information Permanently Add MAC address of the Gateway to ARP cache Use static IP Address and Static ARP tables to prevent attacker from adding the spoofed ARP entries for machines in the network
- 28. Turn off network identification broadcasts and if possible restrict the network to authorized users in order to protect network form being with sniffing tools Use UPv6 instead of IPv4 protocol Use encrypted session such as SSJ instead of Telnet, Secure Copy (SCP) instead of FTP, SSL for E-mail connection, etc. to protect wireless network users against sniffing attack.
- 29. Use Network Tools Such as HP Performance insight to monitor the network for strange Packets Use IDS Detect Promiscuous Mode