You're reading from Industrial Cybersecurity Efficiently monitor the cybersecurity posture of your ICS environment

Product type Paperback

Published in Oct 2021

Publisher Packt

ISBN-13 9781800202092

Length 800 pages

Edition 2nd Edition

Tools

Kali Linux

Concepts

Cybersecurity

Author (1):

Pascal Ackerman

View More author details

Table of Contents (26) Chapters

Preface

1. Section 1: ICS Cybersecurity Fundamentals

2. Chapter 1: Introduction and Recap of First Edition FREE CHAPTER

3. Chapter 2: A Modern Look at the Industrial Control System Architecture

4. Chapter 3: The Industrial Demilitarized Zone

5. Chapter 4: Designing the ICS Architecture with Security in Mind

6. Section 2:Industrial Cybersecurity – Security Monitoring

7. Chapter 5: Introduction to Security Monitoring

8. Chapter 6: Passive Security Monitoring

9. Chapter 7: Active Security Monitoring

10. Chapter 8: Industrial Threat Intelligence

11. Chapter 9: Visualizing, Correlating, and Alerting

12. Section 3:Industrial Cybersecurity – Threat Hunting

13. Chapter 10: Threat Hunting

14. Chapter 11: Threat Hunt Scenario 1 – Malware Beaconing

15. Chapter 12: Threat Hunt Scenario 2 – Finding Malware and Unwanted Applications

16. Chapter 13: Threat Hunt Scenario 3 – Suspicious External Connections

17. Section 4:Industrial Cybersecurity – Security Assessments and Intel

18. Chapter 14: Different Types of Cybersecurity Assessments

19. Chapter 15: Industrial Control System Risk Assessments

20. Chapter 16: Red Team/Blue Team Exercises

21. Chapter 17: Penetration Testing ICS Environments

22. Section 5:Industrial Cybersecurity – Incident Response for the ICS Environment

23. Chapter 18: Incident Response for the ICS Environment

24. Chapter 19: Lab Setup

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Investigating/forensics of suspicious endpoints

At this point, we take our threat hunt investigation to the suspected victim machine. Let's quickly see what we can find out about 172.25.100.220 from Security Onion. Clicking on the IP address 172.25.100.220 in the Connections dashboard has Kibana open a new tab with the indicator dashboard loaded and the IP address as a search term. This dashboard allows us to see a variety of interesting facts about our suspected victim:

Figure 11.18 – Security Onion – suspicious host – indicator dashboard

At a glance, we can see the types of logs (Dataset) that are present in the database for the suspect system, as well as summary widgets for Source IP, Destination IP, and Destination Port.

In this case, the default indicator screen isn't showing too much useful information, but we can make things fit our needs (starting to see a pattern?). Simply add the Security Onion – DNS - Queries...