Script Event Consumer Spawning Process


Description

Detects a suspicious child process of Script Event Consumer (scrcons.exe).

Query · sigma

selection:
  ParentImage|endswith: \scrcons.exe
  Image|endswith:
  - \svchost.exe
  - \dllhost.exe
  - \powershell.exe
  - \pwsh.exe
  - \wscript.exe
  - \cscript.exe
  - \schtasks.exe
  - \regsvr32.exe
  - \mshta.exe
  - \rundll32.exe
  - \msiexec.exe
  - \msbuild.exe
condition: selection

Known false positives

  • Unknown
Raw source Script Event Consumer Spawning Process · Sigma
Esc
Published by SigmaHQ/sigma ↗, licensed under Detection Rule License 1.1 ↗. Reproduced here unmodified.
title: Script Event Consumer Spawning Process
id: f6d1dd2f-b8ce-40ca-bc23-062efb686b34
status: test
description: Detects a suspicious child process of Script Event Consumer (scrcons.exe).
references:
    - https://redcanary.com/blog/child-processes/
    - https://docs.paloaltonetworks.com/cortex/cortex-xdr/cortex-xdr-analytics-alert-reference/cortex-xdr-analytics-alert-reference/scrcons-exe-rare-child-process.html
author: Sittikorn S
date: 2021-06-21
modified: 2022-07-14
tags:
    - attack.execution
    - attack.t1047
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        ParentImage|endswith: '\scrcons.exe'
        Image|endswith:
            - '\svchost.exe'
            - '\dllhost.exe'
            - '\powershell.exe'
            - '\pwsh.exe'
            - '\wscript.exe'
            - '\cscript.exe'
            - '\schtasks.exe'
            - '\regsvr32.exe'
            - '\mshta.exe'
            - '\rundll32.exe'
            - '\msiexec.exe'
            - '\msbuild.exe'
    condition: selection
falsepositives:
    - Unknown
level: high

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.