Potential DLL Sideloading Via ClassicExplorer32.dll — Sigma Rule

Rule metadata and linked tags

Author: frack113. Source status: test; severity: medium. Source dates: 2022-12-13 / not supplied.

{
  "category": "image_load",
  "product": "windows"
}

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 8ef4d26707ffa59db465bb8f848698b81304e854c97fbb4e98b3d243d5af76ae

Detection logic

Original source YAML. Source-tag agreement is not proof of complete semantic coverage. This rule has not been compiled for a SIEM backend or validated against live telemetry here.

title: Potential DLL Sideloading Via ClassicExplorer32.dll
id: caa02837-f659-466f-bca6-48bde2826ab4
status: test
description: Detects potential DLL sideloading using ClassicExplorer32.dll from the Classic Shell software
references:
    - 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: frack113
date: 2022-12-13
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\'
    condition: selection_classicexplorer and not filter_classicexplorer
falsepositives:
    - Unknown
level: medium

Original YAML and metadata in JSON

False positives

• Unknown

Source references

• 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/