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FsquirtCPLPoC

PoC for generating bthprops.cpl module designed to be loaded by Fsquirt.exe LOLBin

Install / Use

/learn @mhaskar/FsquirtCPLPoC
About this skill

Quality Score

0/100

Category

Design

Supported Platforms

Universal

README

Fsquirt.exe Windows binary attempts to load a Control Panel applet (CPL) called bthprops.cpl from its current working directory. When bthprops.cpl is present alongside fsquirt.exe, the binary loads it and executes a MessageBox from DLLMain.

This PoC code generates a malicious bthprops.cpl file that can be loaded by fsquirt.exe. The included build.sh script compiles the CPL module for you.

Fsquirt.exe PoC screenshot

Related Skills

View on GitHub
GitHub Stars123
CategoryDesign
Updated6d ago
Forks25

Languages

C

Security Score

80/100

Audited on Mar 24, 2026

No findings