qqtail.c

这是一个C语言编写QQ尾巴病毒仿真程序

#include <windows.h>
#include "..\Hook\Hook.h"
#pragma comment(lib, "Hook.lib")
#include "resource.h"
#define ID_MYTIMER 419 // 计时器ID
BOOL g_bStart;
HWND g_hQQ;
LRESULT CALLBACK ProcMain(HWND hDlg, UINT Msg, WPARAM wParam, LPARAM lParam)
{
  switch (Msg)
  {
  case WM_CLOSE:
    AnimateWindow(hDlg, 800, AW_HIDE | AW_SLIDE | AW_VER_POSITIVE);
    EndDialog(hDlg, 0);
    break;
  case WM_COMMAND:
    {
      if (LOWORD(wParam) == IDC_BTN_CONTROL)
      {
        g_bStart = !g_bStart;
        SetDlgItemText(hDlg, IDC_BTN_CONTROL, g_bStart ? "停止" : "开始");
        if (g_bStart)
          SetTimer(hDlg, ID_MYTIMER, 1000, NULL);
        else
        {
          KillTimer(hDlg, ID_MYTIMER);
          SetHook(NULL);
        }
      }
      if (LOWORD(wParam) == IDC_BTN_EXIT)
        SendMessage(hDlg, WM_CLOSE, 0, 0);
    }
    break;
  case WM_DESTROY:
    PostQuitMessage(0);
    break;
  case WM_INITDIALOG:
    {
      int x, y;
      RECT rect;
      g_bStart = FALSE;
      GetWindowRect(hDlg, &rect);
      x = GetSystemMetrics(SM_CXSCREEN) - rect.right + rect.left;
      y = GetSystemMetrics(SM_CYMAXIMIZED) - rect.bottom + rect.top - 10;
      SetWindowPos(hDlg, HWND_TOPMOST, x, y, 0, 0, SWP_NOSIZE | SWP_NOZORDER);
      AnimateWindow(hDlg, 800, AW_SLIDE | AW_VER_NEGATIVE);
    }
    break;
  case WM_TIMER:
    {
      if (!IsWindow(g_hQQ))
      {
        // 感谢好友hottey的查找代码，省去了我使用Spy++的麻烦
        HWND hSend;
        g_hQQ = NULL;
        SetHook(NULL);
        do
        {
          g_hQQ = FindWindowEx(NULL, g_hQQ, "#32770", NULL);
          hSend = FindWindowEx(g_hQQ, NULL, "Button", "发送(&S)");
        } while(g_hQQ != NULL && hSend == NULL);
        if (g_hQQ != NULL)
          SetHook(g_hQQ);
      }
    }
    break;
  }
  return 0;
}
int WINAPI WinMain(HINSTANCE hInstance, HINSTANCE hPrevInstance, LPSTR lpCmdLine, int nShowCmd)
{
  DialogBoxParam(hInstance, MAKEINTRESOURCE(IDD_DIALOG), NULL, (DLGPROC)ProcMain, 0);
  return 0;
}