Potential Manage-bde.wsf Abuse To Proxy Execution

Title: Potential Manage-bde.wsf Abuse To Proxy Execution
Status: test
Description:Detects potential abuse of the "manage-bde.wsf" script as a LOLBIN to proxy execution
References:
  -https://lolbas-project.github.io/lolbas/Scripts/Manage-bde/
  -https://gist.github.com/bohops/735edb7494fe1bd1010d67823842b712
  -https://twitter.com/bohops/status/980659399495741441
  -https://twitter.com/JohnLaTwC/status/1223292479270600706
  -https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1216/T1216.md
Author: oscd.community, Natalia Shornikova, Nasreddine Bencherchali (Nextron Systems)
Date: 2020-10-13
modified:2023-02-03
Tags:

• -'attack.stealth'
• -'attack.t1216'

Logsource:

• category: process_creation
• product: windows

Detection:
  selection_wscript_img:
Image|endswith:'\wscript.exe' OriginalFileName:'wscript.exe'   selection_wscript_cli:
    CommandLine|contains: 'manage-bde.wsf'
  selection_parent:
    ParentImage|endswith:
      -'\cscript.exe'
      -'\wscript.exe'

    ParentCommandLine|contains: 'manage-bde.wsf'
  selection_filter_cmd:
    Image|endswith: '\cmd.exe'
  condition:all of selection_wscript_* or (selection_parent and not selection_filter_cmd)
Falsepositives:
  -Unlikely
Level: high