我的使用createremotethread控制excel右键的源程序

利用CreateRemoteThread将dll写进excel.exe.利用SetWindowLong()改变excel中右键消息。dll源程序：#include <windows.h>

BOOL __stdcall DllMain(HANDLE,DWORD,LPVOID)
{
 return TRUE;
}
/*
#pragma data_seg("shared")
#pragma data_seg()
#pragma comment(linker,"/SECTION:shared,rws")
*/
WNDPROC g_lpfnOldWndProc;
HWND    g_hMsgWnd;
LRESULT APIENTRY HookExcelWndProc(HWND hWnd, UINT wMessage , WPARAM wParam, LPARAM lParam)
{ 
 try
 {
  switch (wMessage)
  {
  case WM_RBUTTONDOWN:
   MessageBox(g_hMsgWnd,"u click the r button","",MB_OK);
   return 1;
   break;
  case WM_CLOSE:
   ::ExitProcess (0);
   break;
   
  default:
   if (NULL == g_lpfnOldWndProc)
    return DefWindowProc(hWnd,wMessage,wParam,lParam);
   else
    return CallWindowProc(g_lpfnOldWndProc,hWnd,wMessage,wParam,lParam);
  }
 }
 catch(...)
 {
 }
 return 0;
}
LRESULT __stdcall HookExcelRightMenu(HWND hwnd)
{
 g_hMsgWnd = hwnd;
 g_lpfnOldWndProc=(WNDPROC)::SetWindowLong(hwnd,GWL_WNDPROC,(LONG)HookExcelWndProc);
    MSG msg;
 while( ::GetMessage( &msg, NULL, 0, 0 ))
 {
  TranslateMessage(&msg);
  DispatchMessage(&msg);  
 }
 return TRUE;
}
注入进程源程序:#include <windows.h>
#include <tlhelp32.h>
const int MAXINJECTSIZE = 10240;
typedef HMODULE (__stdcall  * LPLOADLIBRARY)(LPCTSTR);
typedef FARPROC (__stdcall * LPGETPROCADDRESS)(HMODULE,LPCTSTR);
typedef BOOL    (__stdcall * LPFREELIBRARY)(HMODULE);
typedef LRESULT (__stdcall * LPHookExcelRightMenu)(HWND);
typedef struct
{
 LPLOADLIBRARY  prcLoadLib;
 LPGETPROCADDRESS prcGetProcAddr;
 LPFREELIBRARY  prcFreeLib;
 TCHAR    szLibPath[MAX_PATH+1];
 HWND                hInjectWnd;
}INJECT_DLL,*LPINJECT_DLL;
DWORD GetProcessIdFromName(LPCTSTR name)
{
   PROCESSENTRY32 pe;
 DWORD id = 0; 
 HANDLE hSnapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS,0);
 pe.dwSize = sizeof(PROCESSENTRY32);
 if( !Process32First(hSnapshot,&pe) )
  return 0; 
 do
 {
  pe.dwSize = sizeof(PROCESSENTRY32);
  if( Process32Next(hSnapshot,&pe)==FALSE )
   break;
  if(stricmp(pe.szExeFile,name) == 0)
  {
   id = pe.th32ProcessID;
   break;
  }
  
 } while(1); 
 CloseHandle(hSnapshot); 
 return id;
}
void EnableDebugPriv( void )
{
 HANDLE hToken;
 LUID sedebugnameValue;
 TOKEN_PRIVILEGES tkp;
 
 if ( ! OpenProcessToken( GetCurrentProcess(), TOKEN_ADJUST_PRIVILEGES | TOKEN_QUERY, &hToken ) )
  return;
 if ( ! LookupPrivilegeValue( NULL, SE_DEBUG_NAME, &sedebugnameValue ) )
 {
  CloseHandle( hToken );
  return;
 }
 tkp.PrivilegeCount = 1;
 tkp.Privileges[0].Luid = sedebugnameValue;
 tkp.Privileges[0].Attributes = SE_PRIVILEGE_ENABLED;
 if ( ! AdjustTokenPrivileges( hToken, FALSE, &tkp, sizeof tkp, NULL, NULL ) )
  CloseHandle( hToken );
}
#pragma check_stack(off)
static DWORD __stdcall ControlExcelThread(LPVOID lpVoid)
{
 try
 {
  LPINJECT_DLL lpInject = (LPINJECT_DLL)lpVoid;
  if (NULL == lpInject)
   return -1;
  HMODULE hMod = lpInject->prcLoadLib(lpInject->szLibPath);
  if (NULL == hMod)
   return -2;
  LPHookExcelRightMenu  lpHookExcelRightMenu;
  lpHookExcelRightMenu = (LPHookExcelRightMenu)lpInject ->prcGetProcAddr (hMod,MAKEINTRESOURCE(1));
  if ( !lpHookExcelRightMenu)
  {
   lpInject ->prcFreeLib (hMod);
   return -3;
  }
  lpHookExcelRightMenu(lpInject->hInjectWnd);
  lpInject ->prcFreeLib (hMod);
 }
 catch(...)
 {
  return -1;
 }
 return 0;
}
#pragma check_stack(on)
LRESULT InJectDllIntoProcess(LPCSTR pstrProcessName,HWND hwnd)
{
 DWORD dwProcessID = 0;
// dwProcessID=GetProcessIdFromName(pstrProcessName);
 GetWindowThreadProcessId(hwnd,&dwProcessID);
 if ( dwProcessID < 1)
  return -1;
 EnableDebugPriv();
 HANDLE hInjectTarget =  OpenProcess(PROCESS_ALL_ACCESS,FALSE,dwProcessID);
 if (!hInjectTarget)
  return -2;
 INJECT_DLL pstInjectDll ;
 memset(&pstInjectDll,0x0,sizeof(INJECT_DLL));
 HMODULE   hModule = ::LoadLibrary (TEXT("kernel32"));
 if (!hModule)
  return -3;
 pstInjectDll.prcLoadLib = (LPLOADLIBRARY)::GetProcAddress(hModule,TEXT("LoadLibraryA"));
 pstInjectDll.prcFreeLib = (LPFREELIBRARY)::GetProcAddress(hModule,TEXT("FreeLibrary"));
 pstInjectDll.prcGetProcAddr = (LPGETPROCADDRESS)::GetProcAddress (hModule,TEXT("GetProcAddress"));
 pstInjectDll.hInjectWnd = hwnd;
 lstrcpy(pstInjectDll.szLibPath ,TEXT("E:\\KDCP\\backup\\dll\\injectdll\\debug\\injectdll.dll"));
 LPBYTE lpExcelAddr = (LPBYTE)::VirtualAllocEx (hInjectTarget,NULL,MAXINJECTSIZE,MEM_COMMIT, PAGE_EXECUTE_READWRITE);
 LPINJECT_DLL param = (LPINJECT_DLL) VirtualAllocEx( hInjectTarget, 0, sizeof(INJECT_DLL), MEM_COMMIT, PAGE_READWRITE );
 WriteProcessMemory(hInjectTarget,lpExcelAddr,&ControlExcelThread,MAXINJECTSIZE,0);
 WriteProcessMemory(hInjectTarget,param,&pstInjectDll,sizeof(INJECT_DLL),0);
 DWORD dwThreadId = 0;
 HANDLE hInjectThread;
 try
 {
  hInjectThread= ::CreateRemoteThread (hInjectTarget,NULL,0,(LPTHREAD_START_ROUTINE)lpExcelAddr,param,0,&dwThreadId);
 }
 catch(...)
 {
 }
 if (!hInjectThread)
  dwThreadId = ::GetLastError ();
 else
  CloseHandle(hInjectThread);
 CloseHandle(hInjectTarget);
 ::VirtualFreeEx (hInjectTarget,lpExcelAddr,0,MEM_RELEASE);
 ::VirtualFreeEx (hInjectTarget,param,0,MEM_RELEASE);
 return 0;
}
void main()
{
 HWND hwnd;
 hwnd = FindWindowEx(NULL,NULL,"XLMAIN",NULL);
 if (hwnd)
 {
  hwnd = FindWindowEx(hwnd,NULL,"XLDESK",NULL);
  if (hwnd)
  {
   hwnd = FindWindowEx(hwnd,NULL,"EXCEL7",NULL);
   InJectDllIntoProcess("excel.exe",hwnd);
  }
 }
}

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