Bitlocker Key Retrieval

Title: Bitlocker Key Retrieval
Status: test
Description:Monitor and alert for Bitlocker key retrieval.
References:
  -https://learn.microsoft.com/en-us/entra/architecture/security-operations-devices#bitlocker-key-retrieval
Author: Michael Epping, '@mepples21'
Date: 2022-06-28
modified:None
Tags:

• -'attack.privilege-escalation'
• -'attack.persistence'
• -'attack.initial-access'
• -'attack.stealth'
• -'attack.t1078.004'

Logsource:

• product: azure
• service: auditlogs

Detection:
  selection:
    Category: 'KeyManagement'
    OperationName: 'Read BitLocker key'
  condition:selection
Falsepositives:
  -Unknown
Level: medium