Detection rules › Sigma

IAM Login Profile Deleted

Status
test
Severity
low
Log source
product aws, service cloudtrail
Author
Zach Mathis (@yamatosecurity)
Source
github.com/Yamato-Security/suzaku-rules

Detects when an IAM login profile is deleted, which may indicate an attacker removing access to a compromised account or an administrator performing account cleanup.

Known false positives

  • Legitimate deletion of a login profile by an administrator.

MITRE ATT&CK coverage

TacticTechniques
Impact

Telemetry coverage

Rules detecting the same action

These rules filter on the same operation.

Rule body

title: IAM Login Profile Deleted
id: 3a6ed7dc-4f99-4574-8cfa-d65124dc89f0
status: test
description: Detects when an IAM login profile is deleted, which may indicate an attacker removing access to a compromised account or an administrator performing account cleanup.
references:
    - https://attack.mitre.org/techniques/T1531/
author: Zach Mathis (@yamatosecurity)
date: 2025-08-02
modified: 2025-08-02
tags:
    - attack.impact
    - attack.t1531 # Account Access Removal
logsource:
    product: aws
    service: cloudtrail
detection:
    selection:
        eventSource: 'iam.amazonaws.com'
        eventName: 'DeleteLoginProfile'
    condition: selection
falsepositives:
    - Legitimate deletion of a login profile by an administrator.
level: low

Stages and Predicates

Stage 0: condition

selection

Stage 1: selection

selection:
    eventSource: 'iam.amazonaws.com'
    eventName: 'DeleteLoginProfile'

Indicators

These rows show field, operator, and value matches.