title: Windows PowerShell User Agent
id: c8557060-9221-4448-8794-96320e6f3e74
status: experimental
description: Detects Windows PowerShell Web Access
author: Florian Roth
date: 2017/03/13
modified: 2020/09/03
references:
    - https://msdn.microsoft.com/powershell/reference/5.1/microsoft.powershell.utility/Invoke-WebRequest
logsource:
    category: proxy
detection:
    selection:
      c-useragent|contains: ' WindowsPowerShell/'
    condition: selection
fields:
    - ClientIP
    - c-uri
    - c-useragent
falsepositives:
    - Administrative scripts that download files from the Internet
    - Administrative scripts that retrieve certain website contents
level: medium
tags:
  - attack.defense_evasion
  - attack.command_and_control
  - attack.t1071.001