PowerShell Called from an Executable Version Mismatch

 Original Source: [Sigma source]
Title: PowerShell Called from an Executable Version Mismatch
Status: test
Description:Detects PowerShell called from an executable by the version mismatch method
References:
  -https://adsecurity.org/?p=2921
Author: Sean Metcalf (source), Florian Roth (Nextron Systems)
Date: 2017-03-05
modified:2023-10-27
Tags:
  • -'attack.execution'
  • -'attack.t1059.001'
Logsource:
  • product: windows
  • category: ps_classic_start
Detection:
  selection_engine:
    Data|contains:
      -'EngineVersion=2.'
      -'EngineVersion=4.'
      -'EngineVersion=5.'

  selection_host:
    Data|contains: 'HostVersion=3.'
  condition:all of selection_*
Falsepositives:
  -Unknown
Level: high