Data Source: Azure Active Directory Update authorization policy

Date: 2025-01-23

ID: c5b7ffcd-73d8-4fe5-afd8-b1218d715c0c

Author: Patrick Bareiss, Splunk

Description

Logs an event when an authorization policy is updated in Azure Active Directory.

Details

Property	Value
Source	`Azure AD`
Sourcetype	`azure:monitor:aad`
Separator	operationName

Supported Apps

Splunk Add-on for Microsoft Cloud Services (version 5.5.0)

Event Fields

+ Fields

  <span class="pill kill-chain">_time</span>
  
  <span class="pill kill-chain">Level</span>
  
  <span class="pill kill-chain">callerIpAddress</span>
  
  <span class="pill kill-chain">category</span>
  
  <span class="pill kill-chain">correlationId</span>
  
  <span class="pill kill-chain">date_hour</span>
  
  <span class="pill kill-chain">date_mday</span>
  
  <span class="pill kill-chain">date_minute</span>
  
  <span class="pill kill-chain">date_month</span>
  
  <span class="pill kill-chain">date_second</span>
  
  <span class="pill kill-chain">date_wday</span>
  
  <span class="pill kill-chain">date_year</span>
  
  <span class="pill kill-chain">date_zone</span>
  
  <span class="pill kill-chain">durationMs</span>
  
  <span class="pill kill-chain">host</span>
  
  <span class="pill kill-chain">index</span>
  
  <span class="pill kill-chain">linecount</span>
  
  <span class="pill kill-chain">operationName</span>
  
  <span class="pill kill-chain">operationVersion</span>
  
  <span class="pill kill-chain">properties.activityDateTime</span>
  
  <span class="pill kill-chain">properties.activityDisplayName</span>
  
  <span class="pill kill-chain">properties.additionalDetails{}.key</span>
  
  <span class="pill kill-chain">properties.additionalDetails{}.value</span>
  
  <span class="pill kill-chain">properties.category</span>
  
  <span class="pill kill-chain">properties.correlationId</span>
  
  <span class="pill kill-chain">properties.id</span>
  
  <span class="pill kill-chain">properties.initiatedBy.user.displayName</span>
  
  <span class="pill kill-chain">properties.initiatedBy.user.id</span>
  
  <span class="pill kill-chain">properties.initiatedBy.user.ipAddress</span>
  
  <span class="pill kill-chain">properties.initiatedBy.user.userPrincipalName</span>
  
  <span class="pill kill-chain">properties.loggedByService</span>
  
  <span class="pill kill-chain">properties.operationType</span>
  
  <span class="pill kill-chain">properties.result</span>
  
  <span class="pill kill-chain">properties.resultReason</span>
  
  <span class="pill kill-chain">properties.targetResources{}.displayName</span>
  
  <span class="pill kill-chain">properties.targetResources{}.id</span>
  
  <span class="pill kill-chain">properties.targetResources{}.modifiedProperties{}.displayName</span>
  
  <span class="pill kill-chain">properties.targetResources{}.modifiedProperties{}.newValue</span>
  
  <span class="pill kill-chain">properties.targetResources{}.modifiedProperties{}.oldValue</span>
  
  <span class="pill kill-chain">properties.targetResources{}.type</span>
  
  <span class="pill kill-chain">properties.userAgent</span>
  
  <span class="pill kill-chain">punct</span>
  
  <span class="pill kill-chain">resourceId</span>
  
  <span class="pill kill-chain">resultSignature</span>
  
  <span class="pill kill-chain">source</span>
  
  <span class="pill kill-chain">sourcetype</span>
  
  <span class="pill kill-chain">splunk_server</span>
  
  <span class="pill kill-chain">tenantId</span>
  
  <span class="pill kill-chain">time</span>
  
  <span class="pill kill-chain">timeendpos</span>
  
  <span class="pill kill-chain">timestartpos</span>
  
</div>

Example Log

1{"time": "2023-10-26T19:22:20.2814027Z", "resourceId": "/tenants/5f210575-a69b-41a7-b623-3f6d79ccd432/providers/Microsoft.aadiam", "operationName": "Update authorization policy", "operationVersion": "1.0", "category": "AuditLogs", "tenantId": "5f210575-a69b-41a7-b623-3f6d79ccd432", "resultSignature": "None", "durationMs": 0, "callerIpAddress": "1.2.3.4", "correlationId": "cc46d719-4c0f-4b78-8795-b0d6ca5b2065", "Level": 4, "properties": {"id": "Directory_cc46d719-4c0f-4b78-8795-b0d6ca5b2065_6CH7M_196574953", "category": "AuthorizationPolicy", "correlationId": "cc46d719-4c0f-4b78-8795-b0d6ca5b2065", "result": "success", "resultReason": "", "activityDisplayName": "Update authorization policy", "activityDateTime": "2023-10-26T19:22:20.2814027+00:00", "loggedByService": "Core Directory", "operationType": "Update", "userAgent": null, "initiatedBy": {"user": {"id": "e4c722ac-3b83-478d-8f52-c388885dc30f", "displayName": null, "userPrincipalName": "attacker@splunkresearch.onmicrosoft.com", "ipAddress": "1.2.3.4", "roles": []}}, "targetResources": [{"id": "24484114-1daa-4700-aaf7-44ee5cbe5678", "displayName": "Authorization Policy", "type": "Other", "modifiedProperties": [{"displayName": "AllowUserConsentForRiskyApps", "oldValue": "[false]", "newValue": "[true]"}, {"displayName": "PermissionGrantPolicyIdsAssignedToDefaultUserRole", "oldValue": "[\"ManagePermissionGrantsForSelf.microsoft-user-default-legacy\"]", "newValue": "[\"microsoft-user-default-legacy\"]"}, {"displayName": "Included Updated Properties", "oldValue": null, "newValue": "\"AllowUserConsentForRiskyApps, PermissionGrantPolicyIdsAssignedToDefaultUserRole\""}], "administrativeUnits": []}], "additionalDetails": [{"key": "User-Agent", "value": "Swagger-Codegen/1.0.0.0/csharp/msal"}]}}

Source: GitHub | Version: 2