Stale Accounts In A Privileged Role

calendar Sep 14, 2023 · attack.t1078 attack.persistence attack.privilege_escalation  ·
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Identifies when an account hasn't signed in during the past n number of days.

Sigma rule (View on GitHub)

 1title: Stale Accounts In A Privileged Role
 2id: e402c26a-267a-45bd-9615-bd9ceda6da85
 3status: experimental
 4description: Identifies when an account hasn't signed in during the past n number of days.
 5references:
 6    - https://learn.microsoft.com/en-us/azure/active-directory/privileged-identity-management/pim-how-to-configure-security-alerts#potential-stale-accounts-in-a-privileged-role
 7author: Mark Morowczynski '@markmorow', Gloria Lee, '@gleeiamglo'
 8date: 2023/09/14
 9tags:
10    - attack.t1078
11    - attack.persistence
12    - attack.privilege_escalation
13logsource:
14    product: azure
15    service: pim
16detection:
17    selection:
18        riskEventType: 'staleSignInAlertIncident'
19    condition: selection
20falsepositives:
21    - Investigate if potential generic account that cannot be removed.
22level: high

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