IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.
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Elastic Docs ›Elastic Security Solution [8.2] ›Detections and alerts ›Prebuilt rule reference

AWS CloudTrail Log Deleted

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AWS CloudTrail Log Deleted

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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: 7 (version history)

Added (Elastic Stack release): 7.9.0

Last modified (Elastic Stack release): 8.1.0

Rule authors: Elastic

Rule license: Elastic License v2

Potential false positives

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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 by unfamiliar users or hosts should be investigated. If known behavior is causing false positives, it can be exempted from the rule.

Investigation guide

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## Config

The AWS Fleet integration, Filebeat module, or similarly structured data is required to be compatible with this rule.

Rule query

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

Threat mapping

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Framework: MITRE ATT&CKTM

Rule version history

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Version 7 (8.1.0 release)
  • Formatting only
Version 6 (7.13.0 release)

  • Updated query, changed from:

    event.action:DeleteTrail and event.dataset:aws.cloudtrail and
event.provider:cloudtrail.amazonaws.com and event.outcome:success
Version 5 (7.12.0 release)
  • Formatting only
Version 4 (7.11.2 release)
  • Formatting only
Version 3 (7.11.0 release)
  • Formatting only
Version 2 (7.10.0 release)
  • Formatting only
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