You're reading from Digital Forensics and Incident Response Incident response tools and techniques for effective cyber threat response

Product type Paperback

Published in Dec 2022

Publisher Packt

ISBN-13 9781803238678

Length 532 pages

Edition 3rd Edition

Concepts

Forensics

Author (1):

Gerard Johansen

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Table of Contents (28) Chapters

Preface

1. Part 1: Foundations of Incident Response and Digital Forensics

2. Chapter 1: Understanding Incident Response FREE CHAPTER

3. Chapter 2: Managing Cyber Incidents

4. Chapter 3: Fundamentals of Digital Forensics

5. Chapter 4: Investigation Methodology

6. Part 2: Evidence Acquisition

7. Chapter 5: Collecting Network Evidence

8. Chapter 6: Acquiring Host-Based Evidence

9. Chapter 7: Remote Evidence Collection

10. Chapter 8: Forensic Imaging

11. Part 3: Evidence Analysis

12. Chapter 9: Analyzing Network Evidence

13. Chapter 10: Analyzing System Memory

14. Chapter 11: Analyzing System Storage

15. Chapter 12: Analyzing Log Files

16. Chapter 13: Writing the Incident Report

17. Part 4: Ransomware Incident Response

18. Chapter 14: Ransomware Preparation and Response

19. Chapter 15: Ransomware Investigations

20. Part 5: Threat Intelligence and Hunting

21. Chapter 16: Malware Analysis for Incident Response

22. Chapter 17: Leveraging Threat Intelligence

23. Chapter 18: Threat Hunting

24. Assessments

25. Index

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Appendix

Ransomware initial access and execution

The first stage of ransomware attacks is initially accessing the target environment and executing the first stage of malware. This provides the initial foothold that threat actors need to carry out the remainder of the attack. Having an awareness of how this initial foothold is achieved allows analysts to extract the IOCs related to this stage of the attack with the intent of determining the scope and potential source of the attack.

Initial access

The primary method that ransomware threat actors utilize to get the initial foothold into the target environment is using a Spear Phishing Attachment attack [T1566.001]. In many cases, this involves the use of a Microsoft Word or Excel spreadsheet that has a macro that can execute a Virtual Basic Application (VBA). This macro is often the first stage in a multi-stage attack where the unsuspecting user executes the macro, which then reaches out to the adversary’s infrastructure to pull down...