APIフック

hoge.cpp

#define UNICODE
#include <windows.h>
#include <stdio.h>


__declspec(naked) void Proto2(DWORD *Addr)
{
	_asm {
			pop eax
			pop ecx
			push eax
			jmp ecx
	}

}


void Sub2()
{
	MessageBoxW(0, L"", L"Callback", MB_OK);
}

void StarteHook()
{


	DWORD* t = (DWORD*)Sub2;
	Proto2(t);

}


int CALLBACK WinMain(
	_In_ HINSTANCE hInstance,
	_In_ HINSTANCE hPrevInstance,
	_In_ LPSTR     lpCmdLine,
	_In_ int       nCmdShow
	)
{

	StarteHook();
	MessageBoxA(0, "", "hoge", MB_OK);
	return 0;

}