Classification:

attack

VIEW RULE IN DATADOG VIEW SIGNALS

Goal

Correlate an impossible travel login with permission enumeration of a user.

Strategy

Correlate the User travel was impossible in AWS CloudTrail IAM log and A user received multiple AccessDenied errors signals based on the ARN: {{@userIdentity.arn}}.

Triage and response

1. Set signal triage state to Under Review.
2. Determine if the impossible travel login was is legitimate.
   • If the login was not legitimate:
     • Investigate the user using the User Investigation Dashboard
     • Rotate credentials on the account
     • Enable MFA if it is not already enabled
   • If the login was legitimate:
     • Triage the signal as a false positive