Suspicious Service Installation Script

Description

Detects suspicious service installation scripts

Query · sigma

selection_eid:
  Provider_Name: Service Control Manager
  EventID: 7045
selection_cmd_flags:
  ImagePath|contains|windash:
  - ' -c '
  - ' -r '
  - ' -k '
selection_binaries:
  ImagePath|contains:
  - cscript
  - mshta
  - powershell
  - pwsh
  - regsvr32
  - rundll32
  - wscript
condition: all of selection_*

Known false positives

  • Unknown
Raw source Suspicious Service Installation Script · Sigma
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Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified. 
title: Suspicious Service Installation Script
id: 70f00d10-60b2-4f34-b9a0-dc3df3fe762a
status: test
description: Detects suspicious service installation scripts
references:
    - Internal Research
author: pH-T (Nextron Systems)
date: 2022-03-18
modified: 2024-03-05
tags:
    - attack.persistence
    - attack.privilege-escalation
    - car.2013-09-005
    - attack.t1543.003
logsource:
    product: windows
    service: system
detection:
    selection_eid:
        Provider_Name: 'Service Control Manager'
        EventID: 7045
    selection_cmd_flags:
        ImagePath|contains|windash:
            - ' -c '
            - ' -r '
            - ' -k '
    selection_binaries:
        ImagePath|contains:
            - 'cscript'
            - 'mshta'
            - 'powershell'
            - 'pwsh'
            - 'regsvr32'
            - 'rundll32'
            - 'wscript'
    condition: all of selection_*
falsepositives:
    - Unknown
level: high

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