You're reading from Incident Response Techniques for Ransomware Attacks Understand modern ransomware attacks and build an incident response strategy to work through them

Product type Paperback

Published in Apr 2022

Publisher Packt

ISBN-13 9781803240442

Length 228 pages

Edition 1st Edition

Concepts

Cybersecurity

Author (1):

Oleg Skulkin

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Table of Contents (17) Chapters

Preface

1. Section 1: Getting Started with a Modern Ransomware Attack

2. Chapter 1: The History of Human-Operated Ransomware Attacks FREE CHAPTER

3. Chapter 2: The Life Cycle of a Human-Operated Ransomware Attack

4. Chapter 3: The Incident Response Process

5. Section 2: Know Your Adversary: How Ransomware Gangs Operate

6. Chapter 4: Cyber Threat Intelligence and Ransomware

7. Chapter 5: Understanding Ransomware Affiliates' Tactics, Techniques, and Procedures

8. Chapter 6: Collecting Ransomware-Related Cyber Threat Intelligence

9. Section 3: Practical Incident Response

10. Chapter 7: Digital Forensic Artifacts and Their Main Sources

11. Chapter 8: Investigating Initial Access Techniques

12. Chapter 9: Investigating Post-Exploitation Techniques

13. Chapter 10: Investigating Data Exfiltration Techniques

14. Chapter 11: Investigating Ransomware Deployment Techniques

15. Chapter 12: The Unified Ransomware Kill Chain

16. Other Books You May Enjoy

Investigating an RDP brute-force attack

So, we've collected a few Windows event log files with KAPE for further analysis from a server, potentially compromised as the result of a brute-force attack.

We may have several files, but let's focus on Security.evtx, as it contains a lot of useful IDs for such investigations. Two main event IDs useful for investigating an RDP brute-force attack are the following:

4624 – An account was successfully logged on.
4625 – An account failed to log on.

There are just two events. The second one will help us to identify brute-force attempts, and the first one, a successful logon.

You may find it helpful to have a reference guide for event IDs so that you can easily understand what to look for when investigating this or that type of incident.

Let's look into collected event logs. First, let's check whether there are any events with the ID 4625. Here, I want to introduce you to another tool...

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You're reading from Incident Response Techniques for Ransomware Attacks Understand modern ransomware attacks and build an incident response strategy to work through them

Table of Contents (17) Chapters

Investigating an RDP brute-force attack

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You're reading from Incident Response Techniques for Ransomware Attacks Understand modern ransomware attacks and build an incident response strategy to work through them

Table of Contents (17) Chapters

Investigating an RDP brute-force attack

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