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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Investigating C&C and exfiltration attacks

C&C or command and control is when the attacker’s server communicates with the victim’s machine by either configuring malware installed on the victim’s machine to send reverse shell to the attacker C&C server or exploiting a service run by the victim, such as the SSH or Telnet services, to send instructions and commands to be executed on the victim’s machine. Exfiltration is when an attacker collects needed and valuable data and decides to transfer it to their server by using either the same C&C channel or another channel.

As we mentioned in the previous chapter, the firewall is positioned between the LAN (internal network) zone and the WAN (internet) zone. In the case of C&C or exfiltration attacks, the victim’s machine exists in the LAN zone and the attacker’s server exists in the WAN zone. See Figure 9.6:

Figure 9.6 – Firewall positions between...

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

Table of Contents (22) Chapters

Investigating C&C and exfiltration attacks

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

Table of Contents (22) Chapters

Investigating C&C and exfiltration attacks

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