huntrule

Possible PowerShell Hotfix Enumeration (via ps_script)

This rule detects call to "Win32_QuickFixEngineering" to enumerate installed hotfixes frequently used in "enum" scripts by adversaries

SigmamediumWindowsv1
sigma
title: Possible PowerShell Hotfix Enumeration (via ps_script)
id: a32c26ee-6bb2-5fcc-a873-c3fc21e2e544
status: stable
description: This rule detects call to "Win32_QuickFixEngineering" to enumerate installed hotfixes frequently used in "enum" scripts by adversaries
references:
    - https://github.com/411Hall/JAWS/blob/233f142fcb1488172aa74228a666f6b3c5c48f1d/jaws-enum.ps1
author: Huntrule Team
date: 2026-04-27
tags:
    - attack.discovery
    - attack.t1082
logsource:
    product: windows
    category: ps_script
    definition: 'Requirements: Script Block Logging must be enabled'
detection:
    selection:
        ScriptBlockText|contains|all:
            - 'Win32_QuickFixEngineering'
            - 'HotFixID'
    condition: selection
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.