Welcome to EasyHook - The reinvention of Windows API Hooking

Master branch:

Develop branch:

You can support the EasyHook project over at Bountysource or raise a bounty for an issue to be fixed:

This project supports extending (hooking) unmanaged code (APIs) with pure managed ones, from within a fully managed environment on 32- or 64-bit Windows Vista x64, Windows Server 2008 x64, Windows 7, Windows 8.1, and Windows 10.

EasyHook currently supports injecting assemblies built for .NET Framework 3.5 and 4.0 and can also inject native DLLs.

EasyHook homepage

For more information head to the EasyHook site at https://easyhook.github.io

NuGet

https://www.nuget.org/packages/EasyHook

For native C++ apps there is also a native NuGet package available: https://www.nuget.org/packages/EasyHookNativePackage

Bug reports or questions

Reporting bugs is the only way to get them fixed and help other users of the library! If an issue isn't getting addressed, try raising a bounty for it.

Report issues at: https://github.com/EasyHook/EasyHook/issues

License

Copyright (c) 2009 Christoph Husse & Copyright (c) 2012 Justin Stenning

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.

External libraries

EasyHook includes the UDIS86 library Copyright (c) 2002-2012, Vivek Thampi vivek.mt@gmail.com. See .\DriverShared\Disassembler\udis86-LICENSE.txt for license details. Minor modifications have been made for it to compile with EasyHook.

More information about UDIS86 can be found at https://github.com/vmt/udis86