Detection rules › Sigma
AWS CloudTrail Important Change
Detects disabling, deleting and updating of a Trail
Known false positives
- Valid change in a Trail
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Defense Impairment |
Telemetry coverage
Rules detecting the same action
These rules filter on the same operation.
- Attempt To Delete A CloudTrail Log (Sigma)
- Attempt To Modify CloudTrail Log Settings (Sigma)
- Attempt To Stop CloudTrail Logging (Sigma)
- AWS CloudTrail Log Deleted (Elastic)
- AWS CloudTrail Log Suspended (Elastic)
- AWS CloudTrail Log Updated (Elastic)
- AWS Defense Evasion Delete Cloudtrail (Splunk)
- AWS Defense Evasion Stop Logging Cloudtrail (Splunk)
Rule body
title: AWS CloudTrail Important Change
id: 4db60cc0-36fb-42b7-9b58-a5b53019fb74
status: test
description: Detects disabling, deleting and updating of a Trail
references:
- https://docs.aws.amazon.com/awscloudtrail/latest/userguide/best-practices-security.html
author: vitaliy0x1
date: 2020-01-21
modified: 2022-10-09
tags:
- attack.defense-impairment
- attack.t1685.002
logsource:
product: aws
service: cloudtrail
detection:
selection_source:
eventSource: cloudtrail.amazonaws.com
eventName:
- StopLogging
- UpdateTrail
- DeleteTrail
condition: selection_source
falsepositives:
- Valid change in a Trail
level: medium
Stages and Predicates
Stage 0: condition
selection_sourceStage 1: selection_source
selection_source:
eventSource: cloudtrail.amazonaws.com
eventName:
- StopLogging
- UpdateTrail
- DeleteTrail
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
eventName | eq |
| field:"aws::eventName" kind:eq |
eventSource | eq |
| field:"aws::eventSource" kind:eq value:"cloudtrail.amazonaws.com" |