Suspicious Reg Add BitLocker
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About the rule
Rule Type
Standard
Rule Description
Detects suspicious addition to BitLocker related registry keys via the reg.exe utility
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "Process started" AND (COMMANDLINE contains "REG" AND COMMANDLINE contains "ADD" AND COMMANDLINE contains "\SOFTWARE\Policies\Microsoft\FVE" AND COMMANDLINE contains "/v" AND COMMANDLINE contains "/f") AND COMMANDLINE contains "EnableBDEWithNoTPM,UseAdvancedStartup,UseTPM,UseTPMKey,UseTPMKeyPIN,RecoveryKeyMessageSource,UseTPMPIN,RecoveryKeyMessage" select Action1.HOSTNAME,Action1.MESSAGE,Action1.COMMANDLINE,Action1.FILE_NAME,Action1.PROCESSNAME,Action1.USERNAME,Action1.PARENTPROCESSNAME
Detection
Execution Mode
realtime
Log Sources
Windows
Author
frack113
