System Control Panel Item Loaded From Uncommon Location — Sigma Rule

Rule metadata and linked tags

Author: Anish Bogati. Source status: test; severity: high. Source dates: 2024-01-09 / 2026-02-17.

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

Pinned original Sigma rule · Detection Rule License 1.1

Source SHA-256: 41a5c173a9864b0b01c50f9309e9c1dc071f61edd431f2cef34e8b93b1ef6d74

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: System Control Panel Item Loaded From Uncommon Location
id: 2b140a5c-dc02-4bb8-b6b1-8bdb45714cde
status: test
description: |
    Detects image load events of system control panel items (.cpl) from uncommon or non-system locations that may indicate DLL sideloading or other abuse techniques.
references:
    - https://www.hexacorn.com/blog/2024/01/06/1-little-known-secret-of-fondue-exe/
    - https://www.hexacorn.com/blog/2024/01/01/1-little-known-secret-of-hdwwiz-exe/
    - https://github.com/mhaskar/FsquirtCPLPoC
    - https://securelist.com/sidewinder-apt/114089/
author: Anish Bogati
date: 2024-01-09
modified: 2026-02-17
tags:
    - attack.persistence
    - attack.privilege-escalation
    - attack.execution
    - attack.stealth
    - attack.t1574.001
logsource:
    product: windows
    category: image_load
detection:
    selection:
        ImageLoaded|endswith:
            - '\appwiz.cpl' # Usually loaded by fondue.exe
            - '\bthprops.cpl' # Usually loaded by fsquirt.exe
            - '\hdwwiz.cpl' # Usually loaded by hdwwiz.exe
    filter_main_legit_location:
        ImageLoaded|startswith:
            - 'C:\Windows\Prefetch\'
            - 'C:\Windows\System32\'
            - 'C:\Windows\SysWOW64\'
            - 'C:\Windows\WinSxS\'
    condition: selection and not 1 of filter_main_*
falsepositives:
    - Unknown
level: high
regression_tests_path: regression_data/rules/windows/image_load/image_load_side_load_cpl_from_non_system_location/info.yml

Original YAML and metadata in JSON

False positives

• Unknown

Source references

• https://www.hexacorn.com/blog/2024/01/06/1-little-known-secret-of-fondue-exe/
• https://www.hexacorn.com/blog/2024/01/01/1-little-known-secret-of-hdwwiz-exe/
• https://github.com/mhaskar/FsquirtCPLPoC
• https://securelist.com/sidewinder-apt/114089/