title: PowerShell Get-Process LSASS in ScriptBlock
author: Florian Roth
date: 2021/04/23
description: Detects a Get-Process command on lsass process, which is in almost all
    cases a sign of malicious activity
detection:
    SELECTION_1:
        ScriptBlockText: '*Get-Process lsass*'
    condition: SELECTION_1
falsepositives:
- Legitimate certificate exports invoked by administrators or users (depends on processes
    in the environment - filter if unusable)
id: 84c174ab-d3ef-481f-9c86-a50d0b8e3edb
level: high
logsource:
    category: ps_script
    definition: Script Block Logging must be enable
    product: windows
modified: 2021/10/16
references:
- https://twitter.com/PythonResponder/status/1385064506049630211
status: experimental
tags:
- attack.credential_access
- attack.t1003.001
yml_filename: powershell_suspicious_getprocess_lsass.yml
yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/powershell/powershell_script