↳ GitHub sourceAnalytics ruleMedium

Changes to Application Ownership

Description

'Detects changes to the ownership of an appplicaiton. Monitor these changes to make sure that they were authorized. Ref: https://learn.microsoft.com/en-gb/entra/architecture/security-operations-applications#new-owner'
Rule type
Scheduled
Version
1.1.2
Query frequency
2h
Query period
2h
Trigger
gt 0

Declared MITRE coverage

Declared sources

Metadata from the source file. No dependencies inferred from KQL.

Connectors

Data types

KQL query

Original query, unchanged.

AuditLogs
  | where Category =~ "ApplicationManagement"
  | where OperationName =~ "Add owner to application"
  | extend InitiatingAppName = tostring(InitiatedBy.app.displayName)
  | extend InitiatingAppServicePrincipalId = tostring(InitiatedBy.app.servicePrincipalId)
  | extend InitiatingUserPrincipalName = tostring(InitiatedBy.user.userPrincipalName)
  | extend InitiatingAadUserId = tostring(InitiatedBy.user.id)
  | extend InitiatingIPAddress = tostring(InitiatedBy.user.ipAddress)
  | extend TargetUserPrincipalName = TargetResources[0].userPrincipalName
  | extend TargetAadUserId = tostring(TargetResources[0].id)
  | extend mod_props = TargetResources[0].modifiedProperties
  | mv-expand mod_props
  | where mod_props.displayName =~ "Application.DisplayName"
  | extend TargetAppName = tostring(parse_json(tostring(mod_props.newValue)))
  | extend AddedUser = TargetUserPrincipalName
  | extend UpdatedBy = iif(isnotempty(InitiatingAppName), InitiatingAppName, InitiatingUserPrincipalName)
  | extend InitiatingAccountName = tostring(split(InitiatingUserPrincipalName, "@")[0]), InitiatingAccountUPNSuffix = tostring(split(InitiatingUserPrincipalName, "@")[1])
  | extend TargetAccountName = tostring(split(TargetUserPrincipalName, "@")[0]), TargetAccountUPNSuffix = tostring(split(TargetUserPrincipalName, "@")[1])
  | project-reorder TimeGenerated, InitiatingAppName, InitiatingAppServicePrincipalId, InitiatingAadUserId, InitiatingUserPrincipalName, InitiatingIPAddress, TargetAppName, AddedUser, UpdatedBy

Declared entities

Account

Related content

Links established from declared identifiers and solution manifests.

Source provenance

GitHub

Displayed values come from files in Azure/Azure-Sentinel. They describe the published template, not your workspace configuration.

Source identifier
cc5780ce-3245-4bba-8bc1-e9048c2257ce
Additional source files 1Detections/AuditLogs/ChangestoApplicationOwnership.yamlsource ↗
GSTEP / CATALOG TRACKING

Added to catalog : 16 Sept 2026 · 05:49 UTC
Last change observed : 16 Sept 2026 · 05:49 UTC

GSTEP sync dates, separate from the source content’s publication dates.