AWS IAM policy modified

cloudtrail

Classification:

attack

Tactic:

TA0003-persistence

Technique:

T1098-account-manipulation

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Goal

Detect a change to an AWS IAM Policy.

Strategy

This rule lets you monitor CloudTrail and detect when any event pertaining to an AWS IAM policy is detected with one of the following API calls:

Triage and response

  1. Review the IAM Policy change and ensure it does not negatively impact your risk in relation to authentication or authorization controls.
  2. If risk is increased, contact the individual that used the arn: {{@userIdentity.arn}} and determine if the {{@evt.name}} API calls were made by them.

Changelog

5 April 2022 - Updated rule and signal message. 12 Jul 2023 - Updated query and evaluation window.