Stop Windows Service Via Net.EXE — 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: 6afdaae1f0d66f773e9c807263fce47c38ccdac6f4ed069d00ec9b1e004154a5

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 Net.EXE
id: 88872991-7445-4a22-90b2-a3adadb0e827
related:
    - id: eb87818d-db5d-49cc-a987-d5da331fbd90
      type: obsolete
status: test
description: Detects the stopping of a Windows service via the "net" utility.
references:
    - https://ss64.com/nt/net-service.html
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_img:
        - OriginalFileName:
              - 'net.exe'
              - 'net1.exe'
        - Image|endswith:
              - '\net.exe'
              - '\net1.exe'
    selection_cli:
        CommandLine|contains: ' stop '
    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://ss64.com/nt/net-service.html