public RemoteComputer(Socket _clientSocket)
{
clientSocket = _clientSocket;
AES = new AesCryptoServiceProvider();
AES.GenerateKey();
AES.GenerateIV();
byte[] data = new byte[1000];
int lengthOfMessage = clientSocket.Receive(data);
MessageEncrypt.EncryptAndSendAESKey(clientSocket, data, AES, lengthOfMessage);
lengthOfMessage = clientSocket.Receive(data);
ComputerName = CommandMessage.GetNameFromByte(data, lengthOfMessage);
ComputerName = MessageEncrypt.AESDecrypt(ComputerName, AES);
lengthOfMessage = clientSocket.Receive(data);
ComputerUser = CommandMessage.GetNameFromByte(data, lengthOfMessage);
ComputerUser = MessageEncrypt.AESDecrypt(ComputerUser, AES);
lengthOfMessage = clientSocket.Receive(data);
ClientIP = CommandMessage.GetNameFromByte(data, lengthOfMessage);
ClientIP = MessageEncrypt.AESDecrypt(ClientIP, AES);
Thread ReciveScreenImageThread = new Thread(ReciveScreenImage);
ReciveScreenImageThread.IsBackground = true;
ReciveScreenImageThread.Start(); //запускаем поток
}
public static void EncryptAndSendAESKey(Socket _sock, byte[] _RSApublicKey, AesCryptoServiceProvider _AES, int _length)
{
byte[] EncryptedAESData = MessageEncrypt.EncryptByRSA(_AES.Key, _RSApublicKey, _length);
_sock.Send(EncryptedAESData);
Thread.Sleep(30);
_sock.Send(_AES.IV);
}
private void SendInformation()
{
AES.Key = MessageEncrypt.GetKeyAES(sockClient);
sockClient.Receive(AES.IV);
sockClient.Send(Encoding.UTF8.GetBytes(MessageEncrypt.AESEncrypt(Environment.MachineName, AES)));
Thread.Sleep(30);
sockClient.Send(Encoding.UTF8.GetBytes(MessageEncrypt.AESEncrypt(Environment.UserName, AES)));
Thread.Sleep(30);
sockClient.Send(Encoding.UTF8.GetBytes(MessageEncrypt.AESEncrypt(Dns.GetHostByName(Environment.MachineName).AddressList[0].ToString(), AES)));
}
private void ExecuteCommand(byte[] commandBytes, int length)
{
commandBytes = MessageEncrypt.AESDecrypt(commandBytes, AES);
CommandMessage message = new CommandMessage(commandBytes);
switch (message.CommandType)
{
case NetworkCommands.MOUSE_MOVE:
mouse_event((uint)(MOUSEEVENTF_ABSOLUTE | MOUSEEVENTF_MOVE | 0x2000), (uint)message.GetMouseCoordinatesX(), (uint)message.GetMouseCoordinatesY(), 0, 0);
break;
case NetworkCommands.MOUSE_LEFTDOWN:
mouse_event((uint)(MOUSEEVENTF_LEFTDOWN | MOUSEEVENTF_ABSOLUTE), (uint)message.GetMouseCoordinatesX(), (uint)message.GetMouseCoordinatesY(), 0, 0);
break;
case NetworkCommands.MOUSE_RIGHTDOWN:
mouse_event((uint)(MOUSEEVENTF_RIGHTDOWN | MOUSEEVENTF_ABSOLUTE), (uint)message.GetMouseCoordinatesX(), (uint)message.GetMouseCoordinatesY(), 0, 0);
break;
case NetworkCommands.MOUSE_LEFTUP:
mouse_event((uint)(MOUSEEVENTF_LEFTUP | MOUSEEVENTF_ABSOLUTE), (uint)message.GetMouseCoordinatesX(), (uint)message.GetMouseCoordinatesY(), 0, 0);
break;
case NetworkCommands.MOUSE_RIGHTUP:
mouse_event((uint)(MOUSEEVENTF_RIGHTUP | MOUSEEVENTF_ABSOLUTE), (uint)message.GetMouseCoordinatesX(), (uint)message.GetMouseCoordinatesY(), 0, 0);
break;
case NetworkCommands.KEYBOARD_DOWN:
keybd_event((byte)message.firstParam, (byte)message.secondParam, 1 | 0, (UIntPtr)0);
break;
case NetworkCommands.KEYBOARD_UP:
keybd_event((byte)message.firstParam, (byte)message.secondParam, 1 | 2, (UIntPtr)0);
break;
case NetworkCommands.MOUSE_WHEEL_ROTATED:
if (message.firstParam < 0)
{
mouse_event(0x0800, 0, 0, unchecked ((uint)-150), 0);
}
else
{
mouse_event(0x0800, 0, 0, unchecked ((uint)150), 0);
}
break;
case NetworkCommands.RECIVE_FILE:
ReceiveFile(message.firstParam);
break;
case NetworkCommands.STOP_SENDING:
StopSendingScreen();
break;
case NetworkCommands.START_SENDING:
StartSendingScreen();
break;
case NetworkCommands.RUN_FILE:
RunFile(commandBytes, length);
break;
case NetworkCommands.RUN_COMMAND_LINE:
RunCommandLine();
break;
case NetworkCommands.CLOSE_CONNECTION:
StopSendingScreen();
ReceiveThread.Abort();
break;
}
}
public void SendMessage(CommandMessage m)
{
clientSocket.Send(MessageEncrypt.AESEncrypt(m.GetBytes(), AES));
}
