AWS CloudWatch Log Group Deletionedit
Identifies the deletion of a specified AWS CloudWatch log group. When a log group is deleted, all the archived log events associated with the log group are also permanently deleted.
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: 6 (version history)
Added (Elastic Stack release): 7.9.0
Last modified (Elastic Stack release): 7.13.0
Rule authors: Elastic
Rule license: Elastic License v2
Potential false positivesedit
Verify whether the user identity, user agent, and/or hostname should be making changes in your environment. Log group deletions from unfamiliar users or hosts should be investigated. If known behavior is causing false positives, it can be exempted from the rule.
Investigation guideedit
Config
The AWS Fleet integration, Filebeat module, or similarly structured data is required to be compatible with this rule.
Rule queryedit
event.dataset:aws.cloudtrail and event.provider:logs.amazonaws.com and event.action:DeleteLogGroup and event.outcome:success
Threat mappingedit
Framework: MITRE ATT&CKTM
-
Tactic:
- Name: Impact
- ID: TA0040
- Reference URL: https://attack.mitre.org/tactics/TA0040/
-
Technique:
- Name: Data Destruction
- ID: T1485
- Reference URL: https://attack.mitre.org/techniques/T1485/
-
Tactic:
- Name: Defense Evasion
- ID: TA0005
- Reference URL: https://attack.mitre.org/tactics/TA0005/
-
Technique:
- Name: Impair Defenses
- ID: T1562
- Reference URL: https://attack.mitre.org/techniques/T1562/
Rule version historyedit
- Version 6 (7.13.0 release)
-
-
Updated query, changed from:
event.action:DeleteLogGroup and event.dataset:aws.cloudtrail and event.provider:logs.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