API-hooking

[Shub-Nigurrath]

well,
this is what I took away in my readings..

API Hooking revealed
http://www.codeguru.com/Cpp/W-P/system/misc/article.php/c5667

APIHijack - A Library for Easy DLL Function Hooking
http://www.codeguru.com/Cpp/W-P/dll/hooking/article.php/c127/

Detours Library for Injection (it's my favourite one)
http://research.microsoft.com/sn/detours/

DLL Injection and function interception tutorial
http://www.codeproject.com/dll/DLL_Injection_tutorial.asp

RemoteLib - DLL Injection for Win9x & NT Platforms (not exactly api spy but useful to)
http://www.codeproject.com/dll/RemoteLib.asp

hope something helps.