Windows.Sys.BitLocker

name: Windows.Sys.BitLocker
author: Zane Gittins
description: |
   This artifact gets all Bitlocker volumes using PowerShell, including the recovery password.

# Can be CLIENT, CLIENT_EVENT, SERVER, SERVER_EVENT
type: CLIENT

sources:
  - precondition:
      SELECT OS From info() where OS = 'windows'

    query: |
        LET PowershellScript = '''$Results = @()
        $BitlockerVolumes = Get-BitLockerVolume
        $BitlockerVolumes |
        ForEach-Object {
            $RecoveryKey = [string]($_.KeyProtector).RecoveryPassword
            # Only add results with valid recovery keys.
            if ($RecoveryKey.Length -gt 5) {
                $_ | Add-Member -MemberType NoteProperty -Name "RecoveryPassword" -Value $RecoveryKey
                $Results += $_
            }
        }
        
        return ConvertTo-Json -InputObject @($Results)
        '''
        SELECT * FROM foreach(
          row={
            SELECT Stdout FROM execve(argv=["Powershell", "-ExecutionPolicy",
                "unrestricted", "-c", PowershellScript], length=1000000)
          }, query={
            SELECT * FROM parse_json_array(data=Stdout)
        })