You're reading from Effective Threat Investigation for SOC Analysts The ultimate guide to examining various threats and attacker techniques using security logs

Product type Paperback

Published in Aug 2023

Publisher Packt

ISBN-13 9781837634781

Length 314 pages

Edition 1st Edition

Concepts

Cybersecurity

Author (1):

Mostafa Yahia

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Table of Contents (22) Chapters

Preface

1. Part 1: Email Investigation Techniques

2. Chapter 1: Investigating Email Threats FREE CHAPTER

3. Chapter 2: Email Flow and Header Analysis

4. Part 2: Investigating Windows Threats by Using Event Logs

5. Chapter 3: Introduction to Windows Event Logs

6. Chapter 4: Tracking Accounts Login and Management

7. Chapter 5: Investigating Suspicious Process Execution Using Windows Event Logs

8. Chapter 6: Investigating PowerShell Event Logs

9. Chapter 7: Investigating Persistence and Lateral Movement Using Windows Event Logs

10. Part 3: Investigating Network Threats by Using Firewall and Proxy Logs

11. Chapter 8: Network Firewall Logs Analysis

12. Chapter 9: Investigating Cyber Threats by Using the Firewall Logs

13. Chapter 10: Web Proxy Logs Analysis

14. Chapter 11: Investigating Suspicious Outbound Communications (C&C Communications) by Using Proxy Logs

15. Part 4: Investigating Other Threats and Leveraging External Sources to Investigate Cyber Threats

16. Chapter 12: Investigating External Threats

17. Chapter 13: Investigating Network Flows and Security Solutions Alerts

18. Chapter 14: Threat Intelligence in a SOC Analyst’s Day

19. Chapter 15: Malware Sandboxing – Building a Malware Sandbox

20. Index

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Email Flow and Header Analysis

Due to the increase in email threats and the use of spoofing techniques to impersonate known legitimate domains, it has become crucial for SOC analysts to understand the email message flow and email authentication process, as well as analyze email headers to collect additional artifacts and investigate and observe potential spoofing attempts.

The objective of this chapter is to learn about the email message flow and understand email authentication protocols such as Sender Policy Framework (SPF), DomainKeys Identified Mail (DKIM), and Domain-Based Message Authentication, Reporting, and Conformance (DMARC) and how they work. You will also learn how to analyze an email’s message header and observe any spoofing attempts by analyzing it.

In this chapter, we’re going to cover the following main topics: