Detectionmediumtest
Azure Service Principal Removed
Identifies when a service principal was removed in Azure.
Convert In Phoenix Studio
Open this Sigma rule in the converter with the YAML preloaded and ready for backend selection.
Launch
Log Source
Azureactivitylogs
ProductAzure← raw: azure
Serviceactivitylogs← raw: activitylogs
Detection Logic
Detection Logic1 selector
detection:
selection:
properties.message: Remove service principal
condition: selectionFalse Positives
Service principal being removed may be performed by a system administrator.
Verify whether the user identity, user agent, and/or hostname should be making changes in your environment.
Service principal removed 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
448fd1ea-2116-4c62-9cde-a92d120e0f08
Status
test
Level
medium
Type
Detection
Created
Fri Sep 03
Modified
Sun Oct 09
Author
Path
rules/cloud/azure/activity_logs/azure_service_principal_removed.yml
Raw Tags
attack.defense-evasion