PowerShell Get-Process LSASS in ScriptBlock

Title: PowerShell Get-Process LSASS in ScriptBlock
Status: test
Description:Detects a Get-Process command on lsass process, which is in almost all cases a sign of malicious activity
References:
  -https://web.archive.org/web/20220205033028/https://twitter.com/PythonResponder/status/1385064506049630211
Author: Florian Roth (Nextron Systems)
Date: 2021-04-23
modified:2022-12-25
Tags:

• -'attack.credential-access'
• -'attack.t1003.001'

Logsource:

• product: windows
• category: ps_script
• definition: Requirements: Script Block Logging must be enabled

Detection:
  selection:
    ScriptBlockText|contains: 'Get-Process lsass'
  condition:selection
Falsepositives:
  -Legitimate certificate exports invoked by administrators or users (depends on processes in the environment - filter if unusable)
Level: high