Suspicious AWS Root Credentials (via cloudtrail)
This rule detects AWS root account use
SigmamediumCloudv1
sigma
suspicious-aws-root-credentials-via-cloudtrail
title: Suspicious AWS Root Credentials (via cloudtrail)
id: a58e75af-dc2a-5c23-86fe-8f5d76dcde67
status: stable
description: This rule detects AWS root account use
references:
- https://attack.mitre.org/techniques/T1078/004/
- https://docs.aws.amazon.com/IAM/latest/UserGuide/id_root-user.html
author: Huntrule Team
date: 2026-02-19
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:
- Unknown
level: medium
Known false positives
- Unknown
Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.