yannrichet / gpo-bypass

GPO Bypass is a tool / proof-of-concept that highlights how one can bypass Group Policy enforced policies. It uses Firefox as an example.

GPO Bypass

Introduction

This utility allows you to bypass Group Policy enforced controls on Firefox, especifically, it allows you to still install add-ons even if disabled through GPOs. This tool only supports 64 bit versions of Firefox. Pre-compiled versions of the tool are available under the dist directory.

Common

Static library containing common code used by both the library and injector components.

Library

Dynamic Link Library responsible for diverting the Windows Registry reading execution flow to change some of the read values to the ones that don't disable add-ons installation.

Injector

This is the executable that injects the library into the newly created Firefox process.

Build it Yourself

All code is written in C and can be built with MinGW. To compile you will likely need to use:

$ make clean all

The resulting binaries will be in the build directory.

Licensing

All code is licensed under GNU/GPL version 3. Icons used have been created by Everaldo.