Detection rules › Sigma
Process Launched Without Image Name
Detect the use of processes with no name (".exe"), which can be used to evade Image-based detections.
Known false positives
- Rare legitimate software.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Stealth | No specific technique |
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: Process Launched Without Image Name
id: f208d6d8-d83a-4c2c-960d-877c37da84e5
status: test
description: Detect the use of processes with no name (".exe"), which can be used to evade Image-based detections.
references:
- https://www.huntress.com/blog/fake-browser-updates-lead-to-boinc-volunteer-computing-software
author: Matt Anderson (Huntress)
date: 2024-07-23
tags:
- attack.stealth
logsource:
category: process_creation
product: windows
detection:
selection:
Image|endswith: '\.exe'
condition: selection
falsepositives:
- Rare legitimate software.
level: medium
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
Image|endswith: '\.exe'
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
Image | ends_with |
| field:"Image" kind:ends_with value:"\.exe" |