AWS ECS cluster deleted

Goal

Detect when an attacker is destroying an ECS Cluster

Strategy

This rule lets you monitor this CloudTrail API call to detect if an ECS cluster is deleted:

Triage and response

  1. Determine if {{@userIdentity.arm}} should be making a {{@evt.name}} API call.
  2. Contact the user to see if they intended to make this API call.
  3. If the user did not make the API call:
    • Rotate the credentials.
    • Investigate if the same credentials made other unauthorized API calls.

Changelog

1 April 2022 - Updated rule query.