IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.

« AWS CloudTrail Log Created AWS CloudTrail Log Suspended »

› › ›

AWS CloudTrail Log Deleted

edit

AWS CloudTrail Log Deleted

edit

Identifies the deletion of an AWS log trail. An adversary may delete trails in an attempt to evade defenses.

Rule type: query

Rule indices:

filebeat-*
logs-aws*

Severity: medium

Risk score: 47

Runs every: 10 minutes

Searches indices from: now-60m (Date Math format, see also Additional look-back time)

Maximum alerts per execution: 100

References:

Tags:

Elastic
Cloud
AWS
Continuous Monitoring
SecOps
Log Auditing

Version: 2 (version history)

Added (Elastic Stack release): 7.9.0

Last modified (Elastic Stack release): 7.10.0

Rule authors: Elastic

Rule license: Elastic License

Potential false positives

edit

Trail deletions may be made by a system or network administrator. Verify whether the user identity, user agent, and/or hostname should be making changes in your environment. Trail deletions from unfamiliar users or hosts should be investigated. If a known behavior is causing false positives, it can be excluded from the rule.

Investigation guide

edit

The AWS Filebeat module must be enabled to use this rule.

Rule query

edit

event.action:DeleteTrail and event.dataset:aws.cloudtrail and
event.provider:cloudtrail.amazonaws.com and event.outcome:success

Threat mapping

edit

Framework: MITRE ATT&CK^TM

Tactic:
- Name: Defense Evasion
- ID: TA0005
- Reference URL: https://attack.mitre.org/tactics/TA0005/
Technique:
- Name: Disabling Security Tools
- ID: T1089
- Reference URL: https://attack.mitre.org/techniques/T1089/

Rule version history

edit

Version 2 (7.10.0 release)

Formatting only

« AWS CloudTrail Log Created AWS CloudTrail Log Suspended »