Detectionmediumtest
Azure Firewall Rule Configuration Modified or Deleted
Identifies when a Firewall Rule Configuration is Modified or Deleted.
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Log Source
Azureactivitylogs
ProductAzure← raw: azure
Serviceactivitylogs← raw: activitylogs
Detection Logic
Detection Logic1 selector
detection:
selection:
operationName:
- MICROSOFT.NETWORK/FIREWALLPOLICIES/RULECOLLECTIONGROUPS/WRITE
- MICROSOFT.NETWORK/FIREWALLPOLICIES/RULECOLLECTIONGROUPS/DELETE
- MICROSOFT.NETWORK/FIREWALLPOLICIES/RULEGROUPS/WRITE
- MICROSOFT.NETWORK/FIREWALLPOLICIES/RULEGROUPS/DELETE
condition: selectionFalse Positives
Firewall Rule Configuration being modified or deleted may be performed by a system administrator. Verify whether the user identity, user agent, and/or hostname should be making changes in your environment.
Firewall Rule Configuration modified or deleted from unfamiliar users should be investigated. If known behavior is causing false positives, it can be exempted from the rule.
References
MITRE ATT&CK
Tactics
Rule Metadata
Rule ID
2a7d64cf-81fa-4daf-ab1b-ab80b789c067
Status
test
Level
medium
Type
Detection
Created
Sun Aug 08
Modified
Tue Aug 23
Author
Path
rules/cloud/azure/activity_logs/azure_network_firewall_rule_modified_or_deleted.yml
Raw Tags
attack.impact