Bulk Deletion Changes To Privileged Account Permissions

calendar Oct 23, 2025 · attack.privilege-escalation attack.persistence attack.t1098  ·
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Detects when a user is removed from a privileged role. Bulk changes should be investigated.

Sigma rule (View on GitHub)

 1title: Bulk Deletion Changes To Privileged Account Permissions
 2id: 102e11e3-2db5-4c9e-bc26-357d42585d21
 3status: test
 4description: Detects when a user is removed from a privileged role. Bulk changes should be investigated.
 5references:
 6    - https://learn.microsoft.com/en-us/entra/architecture/security-operations-privileged-identity-management#azure-ad-roles-assignment
 7author: Mark Morowczynski '@markmorow', Yochana Henderson, '@Yochana-H'
 8date: 2022-08-05
 9tags:
10    - attack.privilege-escalation
11    - attack.persistence
12    - attack.t1098
13logsource:
14    product: azure
15    service: auditlogs
16detection:
17    selection:
18        properties.message:
19            - Remove eligible member (permanent)
20            - Remove eligible member (eligible)
21    condition: selection
22falsepositives:
23    - Legtimate administrator actions of removing members from a role
24level: high

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