Get the Whitepaper called Userland Hooking in Windows. This document is the first of a series of five articles relating to the art of hooking. As a test environment, it will use an English Windows Seven SP1 operating system distribution.
You can download it from the following link: https://packetstormsecurity.com/files/download/104042/userland_hacking_in_windows.pdf
Source: https://packetstormsecurity.com/files/104042/Userland-Hooking-In-Windows.html