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API hooking revealed

, 2 Dec 2002
The article demonstrates how to build a user mode Win32 API spying system
//---------------------------------------------------------------------------
//
// CustomMessages.h
//
// SUBSYSTEM:   Hook system
//				
// MODULE:      Hook tool / Hook server
//				
// DESCRIPTION: Declares custom Windows messages and registers them
// 
//             
// AUTHOR:		Ivo Ivanov (ivopi@hotmail.com)
// DATE:		2001 December v1.00
//
//---------------------------------------------------------------------------
#ifndef _CUSTOMMESSAGES_H_
#define _CUSTOMMESSAGES_H_

#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000

#define UWM_HOOKTOOL_DLL_LOADED_MSG \
	"UWM_HOOKTOOL_DLL_LOADED - {68D9B79A-09E0-4e20-9273-767C8813CA1F}"
#define UWM_HOOKTOOL_DLL_UNLOADED_MSG \
	"UWM_HOOKTOOL_DLL_UNLOADED - {68D9B79A-09E0-4e20-9273-767C8813CA1F}"

const UINT UWM_HOOKTOOL_DLL_LOADED = 
	::RegisterWindowMessage(UWM_HOOKTOOL_DLL_LOADED_MSG);
const UINT UWM_HOOKTOOL_DLL_UNLOADED = 
	::RegisterWindowMessage(UWM_HOOKTOOL_DLL_UNLOADED_MSG);


#endif //_CUSTOMMESSAGES_H_

//--------------------- End of the file -------------------------------------

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License

This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

About the Author

Ivo Ivanov
Chief Technology Officer Vinsula
Australia Australia
I specialise in Malware Analysis, Application Security, Windows Kernel, x86/x64, and Reverse Engineering.
My blog: http://vinsula.com/security-blog
http://vinsula.com/
http://www.infoprocess.com.au
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