Suspicious Runscripthelper.exe — Sigma Rule

Rule metadata and linked tags

Author: Victor Sergeev, oscd.community. Source status: test; severity: medium. Source dates: 2020-10-09 / 2022-07-11.

{
  "category": "process_creation",
  "product": "windows"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: d3475ab6d1b926539558b1976328d54d9dfbd1e04f3287854c0fbc3bb5d06220

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: Suspicious Runscripthelper.exe
id: eca49c87-8a75-4f13-9c73-a5a29e845f03
status: test
description: Detects execution of powershell scripts via Runscripthelper.exe
references:
    - https://lolbas-project.github.io/lolbas/Binaries/Runscripthelper/
author: Victor Sergeev, oscd.community
date: 2020-10-09
modified: 2022-07-11
tags:
    - attack.execution
    - attack.stealth
    - attack.t1059
    - attack.t1202
logsource:
    category: process_creation
    product: windows
detection:
    selection:
        Image|endswith: '\Runscripthelper.exe'
        CommandLine|contains: 'surfacecheck'
    condition: selection
falsepositives:
    - Unknown
level: medium

Original YAML and metadata in JSON

False positives

• Unknown

Source references

• https://lolbas-project.github.io/lolbas/Binaries/Runscripthelper/