Detection rules › Sigma
Suspicious Runscripthelper.exe
Detects execution of powershell scripts via Runscripthelper.exe
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Execution | |
| Stealth |
Telemetry coverage
| Provider | Record / event type |
|---|---|
| Sysmon | Event ID 1: Process creation |
| Security-Auditing | Event ID 4688: A new process has been created. |
Rule body
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
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
Image|endswith: '\Runscripthelper.exe'
CommandLine|contains: 'surfacecheck'
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
CommandLine | match |
| field:"CommandLine" kind:match value:"surfacecheck" |
Image | ends_with |
| field:"Image" kind:ends_with value:"\Runscripthelper.exe" |