Service Deployment in Suspicious Folder (via system)

This rule detects service installation in anomalous folder appdata

SigmamediumWindowsv1
sigma
title: Service Deployment in Suspicious Folder (via system)
id: b5cd3ec8-0939-5ae5-b2ad-67460a072cbf
status: stable
description: This rule detects service installation in anomalous folder appdata
author: Huntrule Team
references:
    - https://attack.mitre.org/techniques/T1543/003/
    - Internal Research
date: 2026-04-03
tags:
    - attack.persistence
    - attack.privilege-escalation
    - car.2013-09-005
    - attack.t1543.003
logsource:
    product: windows
    service: system
detection:
    selection:
        Provider_Name: 'Service Control Manager'
        EventID: 7045
        ImagePath|contains:
            - '\AppData\'
            - '\\\\127.0.0.1'
            - '\\\\localhost'
    filter_optional_zoom:
        ServiceName: 'Zoom Sharing Service'
        ImagePath|contains: ':\Program Files\Common Files\Zoom\Support\CptService.exe'
    condition: selection and not 1 of filter_optional_*
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.