{"id":"a0413867-daf3-43dd-9245-734b3a787942","title":"Bitlocker Key Retrieval","description":"Monitor and alert for Bitlocker key retrieval.","author":"Michael Epping, '@mepples21'","status":"test","level":"medium","date":"2022-06-28","modified":"","tags":["attack.privilege-escalation","attack.persistence","attack.initial-access","attack.stealth","attack.t1078.004"],"technique_ids":["T1078.004"],"logsource":{"product":"azure","service":"auditlogs"},"falsepositives":["Unknown"],"references":["https://learn.microsoft.com/en-us/entra/architecture/security-operations-devices#bitlocker-key-retrieval"],"source_path":"rules/cloud/azure/audit_logs/azure_ad_bitlocker_key_retrieval.yml","source_sha256":"4427866c31b1dbb4d954ded4061197a53c652a46c3eff02d0367d0b69078e091","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/cloud/azure/audit_logs/azure_ad_bitlocker_key_retrieval.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Bitlocker Key Retrieval\nid: a0413867-daf3-43dd-9245-734b3a787942\nstatus: test\ndescription: Monitor and alert for Bitlocker key retrieval.\nreferences:\n    - https://learn.microsoft.com/en-us/entra/architecture/security-operations-devices#bitlocker-key-retrieval\nauthor: Michael Epping, '@mepples21'\ndate: 2022-06-28\ntags:\n    - attack.privilege-escalation\n    - attack.persistence\n    - attack.initial-access\n    - attack.stealth\n    - attack.t1078.004\nlogsource:\n    product: azure\n    service: auditlogs\ndetection:\n    selection:\n        Category: KeyManagement\n        OperationName: Read BitLocker key\n    condition: selection\nfalsepositives:\n    - Unknown\nlevel: medium\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1078.004","id":"T1078.004","name":"Cloud Accounts","page":"techniques/enterprise/T1078.004/"}],"data_path":"data/detection-rules/a0413867-daf3-43dd-9245-734b3a787942.json","kind":"sigma"}