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Computer Forensic Training

Every organization will eventually deal with cyber-crime. Fraud, intrusion, insider threat, phishing and other cyber-crimes are now a fact of life. If you are an IT or law enforcement professional and don't know how to look for and sort out these cases -- your skills are becoming less valuable every day. SANS developed this site and the related resources to provide a 'home' for those that are focused on computer forensics. You can find advice, research, training, and other resources to unravel incidents and fight crime.

Secunets is the most trusted and by far the largest source for information security training and certification in the world. It also develops, maintains, and makes available at no cost, the largest collection of research documents about various aspects of information security.
Why Is Computer Forensics Important?

Proper handling of a forensics investigation is key to fighting back against computer crimes. A thorough understanding of many areas is required for a proper investigation including: situation; acquisition; analysis; reporting; presenting; and certification.

Incident response teams need to respond to intrusions in addition to e-discovery requests.
Forensics analysts need to gather digital evidence using approved legal and technical methodologies.
Forensics analysts need to examine data, extracting key evidence while preserving data integrity.
Forensic analysts need to communicate key information with management.
Analysts need to be prepared to present evidence in civil or criminal courts.
Forensic certification increases an analyst's stature in a court of law.


Windows Memory Forensics In-Depth

Memory Analysis In-Depth is a critical course for any serious investigator who wishes to tackle advanced forensic and incident response cases. Memory analysis is now a crucial skill for any investigator who is analyzing intrusions.

Malware can hide, but it must run -- The malware paradox is key to understanding that while intruders are becoming more advanced with anti-forensic tactics and techniques, it is impossible to hide their footprints completely from a skilled incident responder performing memory analysis. Learn how memory analysis works through learning about memory structures and context, memory analysis methods, and the current tools used to parse system ram.

Attackers will use anti-forensic techniques to hide their tracks. They use rootkits, file wiping, timestamp adjustments, privacy cleaners, and complex malware to hide in plain sight avoiding detection by standard host-based security measures. Every action that adversaries make will leave a trace; you merely need to know where to look. Memory analysis will give you the edge that you need in order to discover advanced adversaries in your network.

Memory Analysis In-Depth is one of the most advanced courses in the SANS Digital Forensics and Incident Response Curriculum. This cutting edge course covers everything you need to step through memory analysis like a pro.

Network Forensics
Catching Hackers On The Wire

Enterprises all over the globe are compromised remotely by malicious hackers each day. Credit card numbers, proprietary information, account usernames and passwords, and a wealth of other valuable data are surreptitiously transferred across the network. Insider attacks leverage cutting-edge covert tunneling techniques to export data from highly secured environments. Attackers' fingerprints remain throughout the network, in firewall logs, IDS/IPS, web proxies, traffic captures, and more.

Forensics 558: Network Forensics will teach you to how to follow the attacker's footprints and analyze evidence from the network environment. Every student will receive a VMware SNIFT Virtualized Workstation, which is a fully-loaded, portable forensics virtual workstation, designed by network forensics experts and distributed exclusively to Forensics 558: Network Forensics students. You are required to bring your own laptop configured using the specifications found under the laptop requirements.

Network equipment such as web proxies, firewalls, IDS, routers and even switches contain evidence that can make or break a case. Forensic investigators must be savvy enough to find network-based evidence, preserve it and extract the evidence. Forensics 558: Network Forensics will give you hands-on experience analyzing covert channels, carving cached web pages out of proxies, carving images from IDS packet captures, and correlating the evidence to build a solid case.

We will begin by diving right into covert tunnel analysis, DHCP log examination, and sniffing traffic. By day two, you'll be extracting tunneled flow data from DNS NULL records and extracting evidence from firewall logs. On day three, we analyze Snort captures and the web proxy cache. You'll carve out cached web pages and images from the Squid web proxy.

For the last two days, you'll be part of a live hands-on investigation. Working in teams, you'll use network forensics to solve a crime and present your case.

During hands-on exercises, we will use tools such as tcpdump, Snort, ngrep, tcpxtract, and Wireshark to understand attacks and trace suspect activity. Each student will be given a virtual network to analyze, and will have the opportunity to conduct forensic analysis on a variety of devices.

Underlying all of our forensic procedures is a solid forensic methodology. This course complements Forensic and Investigative Essentials (508), using the same fundamental methodology to recover and analyze evidence from network-based devices.
No Hard Drive? No Problem!

A hard drive is just a small part of the picture. Even if an attacker is smart enough to clean up tracks on the victim system, remnants remain in firewall logs, web proxy caches, and other sources. Forensics 558: Network Forensics, you'll learn to track attackers through the network and leverage network evidence to build a strong case.

Reverse-Engineering Malware: Malware Analysis Tools and Techniques

This malware analysis course prepares forensic investigators, incident responders, and malware specialists to reverse-engineer malicious software using practical tools and techniques.

This popular malware analysis course has helped forensic investigators, malware specialists, incident responders, and IT administrators assess malware threats. The course teaches a practical approach to examining malicious programs-spyware, bots, trojans, etc.-that target or run on Microsoft Windows. This training also looks at reversing Web-based malware, such as JavaScript and Flash files, as well as malicious document files. By the end of the course, you'll learn how to reverse-engineer malicious software using a variety of system and network monitoring utilities, a disassembler, a debugger, and other tools for turning malware inside-out!
Learn Malware Analysis to Improve Incident Response and Forensics Skills

This unique course provides a rounded approach to reverse-engineering by covering both behavioral and code phases of the analysis process. As a result, the course makes malware analysis accessible even to individuals with a limited exposure to programming concepts. The materials do not assume that the students are familiar with malware analysis; however, the complexity of concepts and techniques increases as the course progresses.

The malware analysis process taught in this class helps incident responders assess the severity and repercussions of a situation that involves malicious software. It also assists in determining how to contain the incident and plan recovery steps. Forensics investigators also learn how to understand key characteristics of malware present on compromised systems, including how to establish indicators of compromise (IOCs) for scoping and containing the intrusion.
A Methodical Approach to Reverse-Engineering

The course begins by covering fundamental aspects of malware analysis. You'll learn how to set up an inexpensive and flexible laboratory for understanding the inner-workings of malicious software and will understand how to use the lab for exploring characteristics of real-world malware. Then you'll learn to examine the program's behavioral patterns and code. Afterwards, you'll experiment with reverse-engineering compiled Windows executables and browser-based malware.

The course continues by discussing essential x86 assembly language concepts. You'll examine malicious code to understand the program's key components and execution flow. Additionally, you'll learn to identify common malware characteristics by looking at Windows API patterns and will examine excerpts from bots, rootkits, keyloggers, and downloaders. You'll understand how to work with PE headers and handle DLL interactions. Furthermore, you'll learn tools and techniques for bypassing anti-analysis capabilities of armored malware, experimenting with packed executables and obfuscated browser scripts.

Towards the end of the course, you'll learn to analyze malicious document files that take the form of Microsoft Office and Adobe PDF documents. Such documents act as a common infection vector and need to be understood by enterprises concerned about both large-scale and targeted attacks. The course also explores memory forensics approaches to examining rootkits. Memory-based analysis techniques also help understand the context of an incident involving malicious software.
Hands-On Training for Malware Analysis and Reversing

Hands-on workshop exercises are a critical aspect of this course and allow you to apply reverse-engineering techniques by examining malware in a controlled environment. When performing the exercises, you'll study the supplied specimen's behavioral patterns and examine key portions of its code. You'll examine malware on a Windows virtual machine that you'll infect during the course and will use the supplied Linux virtual machine (REMnux) that includes tools for examining and interacting with malware.
Complexity of the Course: Formalizing and Expanding Your Malware Analysis Skills

While the field of reverse-engineering malware is in itself advanced, the course begins by covering this topic from an introductory level and quickly progresses to discuss malware analysis tools and techniques of intermediate complexity.

Neither programming experience nor the knowledge of assembly is required to benefit from the course. However, you should have a general idea about core programming concepts, such as variables, loops, and functions. The course spends some time discussing essential aspects of x86 assembly to allow malware analysts navigate through malicious executables using a debugger and a disassembler.


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