IMPORTANT: No additional bug fixes or documentation updates will be released for this version. For the latest information, see the current release documentation.
« AWS WAF Access Control List Deletion Abnormal Process ID or Lock File Created »
Elastic Docs ›Elastic Security Solution [8.5] ›Detections and alerts ›Prebuilt rule reference

AWS WAF Rule or Rule Group Deletion

edit

AWS WAF Rule or Rule Group Deletion

edit

Identifies the deletion of a specified AWS Web Application Firewall (WAF) rule or rule group.

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
  • Network Security

Version: 100 (version history)

Added (Elastic Stack release): 7.9.0

Last modified (Elastic Stack release): 8.5.0

Rule authors: Elastic

Rule license: Elastic License v2

Potential false positives

edit

WAF rules or rule groups may be deleted by a system or network administrator. Verify whether the user identity, user agent, and/or hostname should be making changes in your environment. Rule 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

edit











Rule query
edit








event.dataset:aws.cloudtrail and event.provider:(waf.amazonaws.com or
waf-regional.amazonaws.com or wafv2.amazonaws.com) and
event.action:(DeleteRule or DeleteRuleGroup) and event.outcome:success











Threat mapping
edit




Framework: MITRE ATT&CKTM














Rule version history
edit










Version 100 (8.5.0 release)








    

  • 
Formatting only

    • 









Version 10 (8.4.0 release)








    

  • 
Formatting only

    • 









Version 8 (8.2.0 release)








    

  • 

    Updated query, changed from:
    

    

    

    event.dataset:aws.cloudtrail and event.action:(DeleteRule or
DeleteRuleGroup) and event.outcome:success
    

    

    • 









Version 7 (8.1.0 release)








    

  • 
Formatting only

    • 









Version 6 (7.13.0 release)








    

  • 
Formatting only

    • 









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)








    

  • 

    Updated query, changed from:
    

    

    

    event.module:aws and event.dataset:aws.cloudtrail and
event.action:(DeleteRule or DeleteRuleGroup) and event.outcome:success
    

    

    • 




















« AWS WAF Access Control List Deletion


Abnormal Process ID or Lock File Created »