Possible DLL Sideloading Through ClassicExplorer32.dll (via image_load)
This rule detects potential DLL sideloading using ClassicExplorer32.dll from the Classic Shell software
SigmamediumWindowsv1
sigma
possible-dll-sideloading-through-classicexplorer32-dll-via-image-load
title: Possible DLL Sideloading Through ClassicExplorer32.dll (via image_load)
id: abaf2ad8-9d6e-5c4a-8e4c-047d1283675e
status: stable
description: This rule detects potential DLL sideloading using ClassicExplorer32.dll from the Classic Shell software
references:
- https://attack.mitre.org/techniques/T1574/001/
- https://blogs.blackberry.com/en/2022/12/mustang-panda-uses-the-russian-ukrainian-war-to-attack-europe-and-asia-pacific-targets
- https://app.any.run/tasks/6d8cabb0-dcda-44b6-8050-28d6ce281687/
author: Huntrule Team
date: 2026-05-21
tags:
- attack.persistence
- attack.privilege-escalation
- attack.execution
- attack.stealth
- attack.t1574.001
logsource:
category: image_load
product: windows
detection:
selection_classicexplorer:
ImageLoaded|endswith: '\ClassicExplorer32.dll'
filter_classicexplorer:
ImageLoaded|startswith: 'C:\Program Files\Classic Shell\'
filter_hr:
ImageLoaded|startswith: C:\Program Files\Open-Shell\
condition: (selection_classicexplorer and not filter_classicexplorer) and not filter_hr
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.