Use of Scriptrunner.exe — Sigma Rule

Rule metadata and linked tags

Author: Nasreddine Bencherchali (Nextron Systems). Source status: test; severity: medium. Source dates: 2022-07-01 / not supplied.

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

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: d5ca38f8c7c44f6bacff64a1398287651d2c577ba2ad2b277be4d4d54cc4bcb3

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: Use of Scriptrunner.exe
id: 64760eef-87f7-4ed3-93fd-655668ea9420
status: test
description: The "ScriptRunner.exe" binary can be abused to proxy execution through it and bypass possible whitelisting
references:
    - https://lolbas-project.github.io/lolbas/Binaries/Scriptrunner/
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-07-01
tags:
    - attack.execution
    - attack.stealth
    - attack.t1218
logsource:
    category: process_creation
    product: windows
detection:
    selection_img:
        - Image|endswith: '\ScriptRunner.exe'
        - OriginalFileName: 'ScriptRunner.exe'
    selection_cli:
        CommandLine|contains: ' -appvscript '
    condition: all of selection*
falsepositives:
    - Legitimate use when App-v is deployed
level: medium

Original YAML and metadata in JSON

False positives

• Legitimate use when App-v is deployed

Source references

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