Stop Windows Service Via PowerShell Stop-Service

Description

Detects the stopping of a Windows service via the PowerShell Cmdlet "Stop-Service"

Query · sigma

selection_sc_net_img:
- OriginalFileName:
  - PowerShell.EXE
  - pwsh.dll
- Image|endswith:
  - \powershell.exe
  - \pwsh.exe
selection_cli:
  CommandLine|contains: 'Stop-Service '
condition: all of selection_*

Known false positives

  • There are many legitimate reasons to stop a service. This rule isn't looking for any suspicious behaviour in particular. Filter legitimate activity accordingly
Raw source Stop Windows Service Via PowerShell Stop-Service · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified. 
title: Stop Windows Service Via PowerShell Stop-Service
id: c49c5062-0966-4170-9efd-9968c913a6cf
related:
    - id: eb87818d-db5d-49cc-a987-d5da331fbd90
      type: obsolete
status: test
description: Detects the stopping of a Windows service via the PowerShell Cmdlet "Stop-Service"
references:
    - https://learn.microsoft.com/en-us/powershell/module/microsoft.powershell.management/stop-service?view=powershell-7.4
author: Jakob Weinzettl, oscd.community, Nasreddine Bencherchali (Nextron Systems)
date: 2023-03-05
tags:
    - attack.impact
    - attack.t1489
logsource:
    category: process_creation
    product: windows
detection:
    selection_sc_net_img:
        - OriginalFileName:
              - 'PowerShell.EXE'
              - 'pwsh.dll'
        - Image|endswith:
              - '\powershell.exe'
              - '\pwsh.exe'
    selection_cli:
        CommandLine|contains: 'Stop-Service '
    condition: all of selection_*
falsepositives:
    - There are many legitimate reasons to stop a service. This rule isn't looking for any suspicious behaviour in particular. Filter legitimate activity accordingly
level: low

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