AWS Root Credentials — Sigma Rule

Rule metadata and linked tags

Author: vitaliy0x1. Source status: test; severity: medium. Source dates: 2020-01-21 / 2022-10-09.

{
  "product": "aws",
  "service": "cloudtrail"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 5e3eb0efd32926f1eb8b9962e10fa3c7a84851bed687f21df80ac9cb0c6591b5

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: AWS Root Credentials
id: 8ad1600d-e9dc-4251-b0ee-a65268f29add
status: test
description: Detects AWS root account usage
references:
    - https://docs.aws.amazon.com/IAM/latest/UserGuide/id_root-user.html
author: vitaliy0x1
date: 2020-01-21
modified: 2022-10-09
tags:
    - attack.privilege-escalation
    - attack.initial-access
    - attack.persistence
    - attack.stealth
    - attack.t1078.004
logsource:
    product: aws
    service: cloudtrail
detection:
    selection_usertype:
        userIdentity.type: Root
    selection_eventtype:
        eventType: AwsServiceEvent
    condition: selection_usertype and not selection_eventtype
falsepositives:
    - AWS Tasks That Require AWS Account Root User Credentials https://docs.aws.amazon.com/general/latest/gr/aws_tasks-that-require-root.html
level: medium

Original YAML and metadata in JSON

False positives

• AWS Tasks That Require AWS Account Root User Credentials https://docs.aws.amazon.com/general/latest/gr/aws_tasks-that-require-root.html

Source references

• https://docs.aws.amazon.com/IAM/latest/UserGuide/id_root-user.html