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Posted 5 Apr 2002

API hooking revealed

, 2 Dec 2002 CPOL
The article demonstrates how to build a user mode Win32 API spying system
// HookSrv.h
// SUBSYSTEM:   Hook system
// MODULE:      Hook server
// DESCRIPTION: Main header file for the HOOKSRV application
// AUTHOR:		Ivo Ivanov (
// DATE:		2001 December v1.00
#if !defined(_HOOKSRV_H_)
#define _HOOKSRV_H_

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

#ifndef __AFXWIN_H__
	#error include 'stdafx.h' before including this file for PCH

#include "resource.h"       // main symbols

// class CHookSrvApp
class CHookSrvApp : public CWinApp

// Overrides
	// ClassWizard generated virtual function overrides
	virtual BOOL InitInstance();

// Implementation

	afx_msg void OnAppAbout();
		// NOTE - the ClassWizard will add and remove member functions here.
		//    DO NOT EDIT what you see in these blocks of generated code !


// Microsoft Visual C++ will insert additional declarations immediately before the previous line.

#endif // !defined(_HOOKSRV_H_)
//----------------------------End of the file -------------------------------

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About the Author

Ivo Ivanov
United States United States
I specialize in OS Internals and Reverse Engineering.
Before joining my current employer I used to run a security blog for malware analysis:

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