Potential brute force attack on AWS ConsoleLogin

cloudtrail

Classification:

attack

Tactic:

TA0006-credential-access

Technique:

T1110-brute-force

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Goal

Detect when a user is a victim of an Account Take Over (ATO) by a brute force attack.

Strategy

This rule monitors CloudTrail and detects when any @evt.name has a value of Console Login, and @responseElements.ConsoleLogin has a value of Failure.

Triage and response

  1. Determine if the user logged in with 2FA.
  2. Reach out to the user and ensure the login was legitimate.

Changelog

  • 17 March 2022 - Updated rule query.
  • 10 February 2023 - Updated rule query.
  • 10 July 2023 - Updated group by fields.