Stop Windows Service Via PowerShell Stop-Service — Sigma Rule

Rule metadata and linked tags

Author: Jakob Weinzettl, oscd.community, Nasreddine Bencherchali (Nextron Systems). Source status: test; severity: low. Source dates: 2023-03-05 / not supplied.

{
  "category": "process_creation",
  "product": "windows"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 101522a7aa45cc04005256b7940a6ef91cbfe5b05cadd02e4174d263c5cc3d8c

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

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

Original YAML and metadata in JSON

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

Source references

• https://learn.microsoft.com/en-us/powershell/module/microsoft.powershell.management/stop-service?view=powershell-7.4