Suspicious Service StartupType Change Through Sc.EXE (via process_creation)

This rule detects the use of "sc.exe" to change the startup type of a service to "disabled" or "demand"

SigmamediumWindowsv1
sigma
title: Suspicious Service StartupType Change Through Sc.EXE (via process_creation)
id: 911a4e90-5730-5b06-978a-8bcec15b33e8
status: stable
description: This rule detects the use of "sc.exe" to change the startup type of a service to "disabled" or "demand"
references:
    - https://attack.mitre.org/techniques/T1685/
    - https://www.virustotal.com/gui/file/38283b775552da8981452941ea74191aa0d203edd3f61fb2dee7b0aea3514955
author: Huntrule Team
date: 2026-02-25
tags:
    - attack.execution
    - attack.defense-impairment
    - attack.t1685
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        - Image|endswith: '\sc.exe'
        - OriginalFileName: 'sc.exe'
    selection_cli:
        CommandLine|contains|all:
            - ' config '
            - 'start'
        CommandLine|contains:
            - 'disabled'
            - 'demand'
    condition: all of selection_*
falsepositives:
    - Unknown
level: medium

Known false positives

  • Unknown

Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.