Overview

You've been attacked. Now where do you go from here? The CYRIN Exercise Labs in this category focus on collecting, analysing, and reporting on digital data in a way that is repeatable and legally admissible. Even if you’re not the victim of a crime, cyber forensics helps you understand what’s going on with your systems and whether your users are following appropriate policies and regulations.
This package includes all labs in the Cyber Forensics category, as well as all new labs in the category released during your subscription period. The MITRE ATT&CK Matrix is a taxonomy of adversary tactics and techniques, including detection and mitigation techniques for each. These techniques are aligned as appropriate to CYRIN exercise lab packages.
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Prerequisites

Prerequisites vary by lab but are generally: familiarity with the Unix/Linux command line, basic networking concepts (TCP/IP, DNS, etc.), and basic forensics practices (chain of custody, etc.).
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Outline

All CYRIN labs, exercises and attacks happen within a virtual environment. Each trainee or student gets their own virtual instance of a lab, exercise or attack, allowing training to be self-paced and available anywhere at any time. In order to meet specific training objectives, CYRIN subscriptions are sold on a packaged basis. That is, groups of CYRIN labs, exercises and/or attacks are recommended and bundled to meet the individual needs of the student.

CYRIN Cyber Forensics Package:
EXPECTED DURATION
  • 20 hours, self-paced. Pause and continue at any time.
  • 20 CPEs awarded on successful completion.
  • 6 months access.
EXERCISE LABS CONTENTS
  • Introductory File System Forensics
  • Live Forensics using GRR
  • Introduction to P2P Forensics
  • Introduction to Memory Analysis with Volatility
  • Introduction to Memory Analysis with Rekall
  • Windows Forensics Artefacts
  • Advanced P2P Forensics
  • eMule P2P Forensics

1. Introductory File System Forensics

Disk-based analysis is the cornerstone of cyber forensics, whether it be to track what a suspect was doing or simply to recover accidentally deleted files. This scenario-based lab introduces students to the process of imaging and forensically analysing disks, including finding artefacts such as deleted files. The free Autopsy® forensic browser will be used in addition to command-line programs from the open-source Sleuth Kit® tool set.

2. Live Forensics using GRR
GRR Rapid Response is an open source live forensics tool originally created by Google. GRR allows an investigator to collect data about running systems on a network, anywhere from one system to thousands. In this scenario-based lab, students will perform live remote forensic investigations against running systems. Without having to take the systems offline for imaging, students will examine running processes and network connections, files and disk artefacts, and registry keys across multiple target machines in a forensically-sound manner.

3. Introduction to P2P Forensics
This scenario-based lab provides a deep dive into the eMule peer-to-peer file sharing system and client software. Students will learn how eMule stores forensically relevant data on disk. The course concludes with a hands-on practical using Architecture Technology Corporation’s P2P Marshal™ and provided forensic disk images using Microsoft Windows®. A copy of the P2P Marshal software is available free of charge to anyone enrolled in this scenario-based lab.

4. Introduction to Memory Analysis with Volatility
Analysing a suspect system 'live', before disconnecting it and imaging the disks, often yields valuable forensic evidence. Further, it can help you determine whether a crime has been committed at all, or whether the system contains evidence at all, thereby avoiding time-consuming examination of irrelevant machines. The Volatility® framework is the dominant open-source memory analysis framework, examining RAM snapshots from a large variety of operating systems in multiple formats. This scenario-based lab introduces students to the process of capturing a live RAM image and analysing it using Volatility. Students will learn about several Volatility plugins for analysing a Windows memory image, then analyse actual RAM images, including one with active malware, and view the results.

5. Introduction to Memory Analysis with Rekall
Analysing a suspect system 'live', before disconnecting it and imaging the disks, often yields valuable forensic evidence. Further, it can help you determine whether a crime has been committed at all, or whether the system contains evidence at all, thereby avoiding time-consuming examination of irrelevant machines. Rekall is an advanced, open-source memory capture and analysis framework that has expanded to include a variety of live incident response tools. This scenario-based lab introduces students to the Rekall framework, both for extracting evidence from memory images and for analysing the current live state of the system. Students will learn about several Rekall tools, both on the command line and via the interactive console, for analysing memory images. Students will then analyse several images of Windows systems with in-memory malware.

6. Windows Forensics Artefacts
A security analyst will likely be asked sometime in his or her career to conduct a forensics analysis of a Windows computer. In this scenario-based lab the student will learn about forensics artefacts commonly found on Windows computers. Forensics artefacts are traces of user activity left behind on a computer even after the user logs out or the computer is shut down.
In this scenario-based lab students will investigate a suspected data breach by an employee of an organization. They will be given a disk image of the employee's Windows workstation. They will learn where to look for forensics’ artefacts and the use of tools such as Autopsy®, Registry Editor, RegRipper, LECmd, JumpList Explorer, RecentFileCacheParser, PECmd, and ShellBags Explorer to extract information from these artefacts.

7. Advanced P2P Forensics
This scenario-based lab builds on the Introduction to P2P Forensics in order to provide students with a deeper understanding of how to extract evidence from a suspect’s hard drive. Students learn detailed file formats used by popular P2P software and methods for extracting information by hand. The scenario-based concludes with a hands-on practical using Architecture Technology Corporation’s P2P Marshal™ and provided forensic disk images using Microsoft Windows®. A copy of the P2P Marshal software is available free of charge to anyone enrolled in this scenario-based lab.

8. eMule P2P Forensics
This scenario-based lab provides a deep dive into the eMule peer-to-peer file sharing system and client software. Students will learn how eMule stores forensically relevant data on disk. The scenario-based lab concludes with a hands-on practical using Architecture Technology Corporation’s P2P Marshal™ and provided forensic disk images using Microsoft Windows®. A copy of the P2P Marshal software is available free of charge to anyone enrolled in this scenario-based lab.
NIST NICE FRAMEWORK
All of the CYRIN exercise labs are mapped to the NIST NICE Framework - Specialty Areas:
  • Digital Forensics (FOR)
CYRIN training is sold on a subscription basis. All CYRIN subscriptions come with two free labs: “Getting Started with CYRIN” and “Web application Security Analysis using OWASP-ZAP”. All new CYRIN courses that are added to the training platform during a subscription period will be made available to subscribers at no additional cost.
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