{"id":"0e0255bf-2548-47b8-9582-c0955c9283f5","title":"Suspicious Reg Add BitLocker","description":"Detects suspicious addition to BitLocker related registry keys via the reg.exe utility","author":"frack113","status":"test","level":"high","date":"2021-11-15","modified":"2022-09-09","tags":["attack.impact","attack.t1486"],"technique_ids":["T1486"],"logsource":{"category":"process_creation","product":"windows"},"falsepositives":["Unlikely"],"references":["https://thedfirreport.com/2021/11/15/exchange-exploit-leads-to-domain-wide-ransomware/"],"source_path":"rules/windows/process_creation/proc_creation_win_reg_bitlocker.yml","source_sha256":"58de8780d05bf4bd5f9e1082115a851231c44956a256138c43c2cc063bdfea82","source_url":"https://github.com/anpa1200/sigma/blob/b249e9683190cffdcaf188ccbfb90bf4759844e1/rules/windows/process_creation/proc_creation_win_reg_bitlocker.yml","license":"Detection Rule License 1.1","license_url":"https://github.com/SigmaHQ/Detection-Rule-License/blob/main/LICENSE.Detection.Rules.md","yaml":"title: Suspicious Reg Add BitLocker\nid: 0e0255bf-2548-47b8-9582-c0955c9283f5\nstatus: test\ndescription: Detects suspicious addition to BitLocker related registry keys via the reg.exe utility\nreferences:\n    - https://thedfirreport.com/2021/11/15/exchange-exploit-leads-to-domain-wide-ransomware/\nauthor: frack113\ndate: 2021-11-15\nmodified: 2022-09-09\ntags:\n    - attack.impact\n    - attack.t1486\nlogsource:\n    category: process_creation\n    product: windows\ndetection:\n    selection:\n        CommandLine|contains|all:\n            - 'REG'\n            - 'ADD'\n            - '\\SOFTWARE\\Policies\\Microsoft\\FVE'\n            - '/v'\n            - '/f'\n        CommandLine|contains:\n            - 'EnableBDEWithNoTPM'\n            - 'UseAdvancedStartup'\n            - 'UseTPM'\n            - 'UseTPMKey'\n            - 'UseTPMKeyPIN'\n            - 'RecoveryKeyMessageSource'\n            - 'UseTPMPIN'\n            - 'RecoveryKeyMessage'\n    condition: selection\nfalsepositives:\n    - Unlikely\nlevel: high\n","validation":"yaml_parsed_not_backend_compiled_or_live_validated","techniques":[{"key":"enterprise/T1486","id":"T1486","name":"Data Encrypted for Impact","page":"techniques/enterprise/T1486/"}],"data_path":"data/detection-rules/0e0255bf-2548-47b8-9582-c0955c9283f5.json","kind":"sigma"}