
title: Remote PowerShell Session Host Process (WinRM)
author: Roberto Rodriguez @Cyb3rWard0g
date: 2019/09/12
description: Detects remote PowerShell sections by monitoring for wsmprovhost (WinRM
  host process) as a parent or child process (sign of an active PowerShell remote
  session).
detection:
  SELECTION_1:
    EventID: 1
  SELECTION_2:
    Image: '*\wsmprovhost.exe'
  SELECTION_3:
    ParentImage: '*\wsmprovhost.exe'
  condition: (SELECTION_1 and (SELECTION_2 or SELECTION_3))
falsepositives:
- Legitimate usage of remote Powershell, e.g. for monitoring purposes.
fields:
- ComputerName
- User
- CommandLine
id: 734f8d9b-42b8-41b2-bcf5-abaf49d5a3c8
level: medium
logsource:
  category: process_creation
  product: windows
modified: 2021/05/21
references:
- https://threathunterplaybook.com/notebooks/windows/02_execution/WIN-190511223310.html
status: experimental
tags:
- attack.execution
- attack.t1086
- attack.t1059.001
- attack.t1021.006
ruletype: SIGMA
