App Granted Microsoft Permissions
What it detects
Detects when an application is granted delegated or app role permissions for Microsoft Graph, Exchange, Sharepoint, or Azure AD
MITRE ATT&CK mapping
- T1528Steal Application Access Token· Credential Access
False positives and triage
When the permission is legitimately needed for the app
The rule
Declarative YAML read by the detection engine — data, never executed. Confidence 70%. Source: rules/sigma/sigma.azure_audit_logs_azure_app_permissions_msft.yaml, licensed under the Detection Rule License 1.1.
id: sigma.azure_audit_logs_azure_app_permissions_msft
version: 1.0.0
status: experimental
severity: high
confidence: 0.7
platforms:
- application
mitre_techniques:
- T1528
description: Detects when an application is granted delegated or app role permissions for Microsoft Graph, Exchange, Sharepoint, or Azure AD
match:
event_category: account
raw_message_any:
- Add delegated permission grant
- Add app role assignment to service principal
false_positive_guidance: When the permission is legitimately needed for the app
Converted from the SigmaHQ rule “App Granted Microsoft Permissions” by Bailey Bercik '@baileybercik', Mark Morowczynski '@markmorow', distributed under the Detection Rule License 1.1. Original rule.
Related detections
Run this rule on your own logs — offline
KIROSEC runs this rule and the rest of the library over Windows, Linux, macOS and cloud audit logs on the analyst's own machine. Every alert links to the events that raised it, and nothing leaves the device.
