LetsDefend: Cloud Forensics

LetsDefend: Cloud Forensics

Scenario: Unusual activity detected in AWS Console. Artifacts: CloudTrail JSON logs.

1. Analysis

We filter for ConsoleLogin. We see a login from a suspicious IP (Russia) using the admin user. UserAgent: Kali Linux. (Subtle!).

2. Impact Analysis

What did they do? Filter for RunInstances. They spun up 10 massive GPU instances (p3.16xlarge). Purpose: Crypto Mining.

3. Remediation

  1. Revoke IAM Keys.
  2. Terminate instances.
  3. Enable MFA.