IMPORTANT: No additional bug fixes or documentation updates
will be released for this version. For the latest information, see the
current release documentation.
Azure Frontdoor Web Application Firewall (WAF) Policy Deleted
editAzure Frontdoor Web Application Firewall (WAF) Policy Deleted
editIdentifies the deletion of a Frontdoor Web Application Firewall (WAF) Policy in Azure. An adversary may delete a Frontdoor Web Application Firewall (WAF) Policy in an attempt to evade defenses and/or to eliminate barriers to their objective.
Rule type: query
Rule indices:
- filebeat-*
- logs-azure*
Severity: low
Risk score: 21
Runs every: 5m
Searches indices from: now-25m (Date Math format, see also Additional look-back time)
Maximum alerts per execution: 100
References:
Tags:
- Elastic
- Cloud
- Azure
- Continuous Monitoring
- SecOps
- Network Security
Version: 2
Rule authors:
- Austin Songer
Rule license: Elastic License v2
Investigation guide
edit## Config The Azure Fleet integration, Filebeat module, or similarly structured data is required to be compatible with this rule.
Rule query
editevent.dataset:azure.activitylogs and azure.activitylogs.operation_name:"MICROSOFT.NETWORK/FRONTDOORWEBAPPLICATIONFIREWALLPOLICIES/DELETE" and event.outcome:(Success or success)
Framework: MITRE ATT&CKTM
-
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/
-
Sub-technique:
- Name: Disable or Modify Tools
- ID: T1562.001
- Reference URL: https://attack.mitre.org/techniques/T1562/001/