Detection rules › Sigma
Lolbin Runexehelper Use As Proxy
Detect usage of the "runexehelper.exe" binary as a proxy to launch other programs
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| 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: Lolbin Runexehelper Use As Proxy
id: cd71385d-fd9b-4691-9b98-2b1f7e508714
status: test
description: Detect usage of the "runexehelper.exe" binary as a proxy to launch other programs
references:
- https://twitter.com/0gtweet/status/1206692239839289344
- https://lolbas-project.github.io/lolbas/Binaries/Runexehelper/
author: frack113
date: 2022-12-29
tags:
- attack.stealth
- attack.t1218
logsource:
category: process_creation
product: windows
detection:
selection:
ParentImage|endswith: '\runexehelper.exe'
condition: selection
falsepositives:
- Unknown
level: medium
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
ParentImage|endswith: '\runexehelper.exe'
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
ParentImage | ends_with |
| field:"ParentImage" kind:ends_with value:"\runexehelper.exe" |