
title: Run PowerShell Script from ADS
author: Sergey Soldatov, Kaspersky Lab, oscd.community
date: 2019/10/30
description: Detects PowerShell script execution from Alternate Data Stream (ADS)
detection:
  SELECTION_1:
    EventID: 1
  SELECTION_2:
    ParentImage: '*\powershell.exe'
  SELECTION_3:
    Image: '*\powershell.exe'
  SELECTION_4:
    CommandLine: '*Get-Content*'
  SELECTION_5:
    CommandLine: '*-Stream*'
  condition: (SELECTION_1 and SELECTION_2 and SELECTION_3 and SELECTION_4 and SELECTION_5)
falsepositives:
- Unknown
id: 45a594aa-1fbd-4972-a809-ff5a99dd81b8
level: high
logsource:
  category: process_creation
  product: windows
references:
- https://github.com/p0shkatz/Get-ADS/blob/master/Get-ADS.ps1
status: experimental
tags:
- attack.defense_evasion
- attack.t1096
- attack.t1564.004
ruletype: SIGMA
