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

Analyzing firewall and proxy logs

Adversaries need to make initial and continued connections to their infrastructure. Network devices such as firewalls and proxies may provide a source of evidence from log files.

Chapter 5 contained a good deal of information concerning the acquisition of network-based evidence and the types of log files that are of importance to an incident responder or security analyst. Aside from the previously covered packet capture, we focused on the acquisition of log files from a variety of sources. These log files can provide some insight into the potential indicators of compromise that can aid in an incident investigation. The main challenge for analysts, though, is sifting through all of the irrelevant logs to find those that have some evidential value.

Log file analysis can be performed in a variety of ways. The specific method that is used may often depend on the type of incident, the tools available, and the amount of log data that has to be analyzed...