Detection rules › Sigma
Potential DLL Sideloading Via ClassicExplorer32.dll
Detects potential DLL sideloading using ClassicExplorer32.dll from the Classic Shell software
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Execution | |
| Stealth |
Telemetry coverage
| Provider | Record / event type |
|---|---|
| Sysmon | Event ID 7: Image loaded |
Rule body
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
Stages and Predicates
Stage 0: condition
selection_classicexplorer and not filter_classicexplorerStage 1: selection_classicexplorer
selection_classicexplorer:
ImageLoaded|endswith: '\ClassicExplorer32.dll'
Stage 2: not filter_classicexplorer
filter_classicexplorer:
ImageLoaded|startswith: 'C:\Program Files\Classic Shell\'
Exclusions
The rule actively suppresses these predicates.
| Field | Kind | Excluded values | Search |
|---|---|---|---|
ImageLoaded | starts_with | C:\Program Files\Classic Shell\ | excludes:ImageLoaded field:"ImageLoaded" value:"C:\Program Files\Classic Shell\" |
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
ImageLoaded | ends_with |
| field:"ImageLoaded" kind:ends_with value:"\ClassicExplorer32.dll" |