Suspicious File Characteristics Due to Missing Fields (via process_creation)
This rule detects Executables in the Downloads folder without FileVersion,Description,Product,Company likely created with py2exe
SigmamediumWindowsv1
sigma
suspicious-file-characteristics-due-to-missing-fields-via-process-creation
title: Suspicious File Characteristics Due to Missing Fields (via process_creation)
id: 9362bf6d-07f6-58f6-b62d-088d01e54109
status: stable
description: This rule detects Executables in the Downloads folder without FileVersion,Description,Product,Company likely created with py2exe
references:
- https://attack.mitre.org/techniques/T1059/006/
- https://securelist.com/muddywater/88059/
- https://www.virustotal.com/#/file/276a765a10f98cda1a38d3a31e7483585ca3722ecad19d784441293acf1b7beb/detection
author: Huntrule Team
date: 2026-06-24
tags:
- attack.execution
- attack.t1059.006
logsource:
product: windows
category: process_creation
detection:
selection1:
Description: '\?'
FileVersion: '\?'
selection2:
Description: '\?'
Product: '\?'
selection3:
Description: '\?'
Company: '\?'
folder:
Image|contains: '\Downloads\'
condition: (selection1 or selection2 or selection3) and folder
falsepositives:
- Unknown
level: medium
Known false positives
- Unknown
Detection content is published as a reviewed draft. Tune thresholds and exclusions against your own telemetry before enabling this rule for alerting.