sshmitm.apps.mosh module

class sshmitm.apps.mosh.UdpProxy(key, target_ip, target_port, listen_ip='', listen_port=0, buf_size=1024)

Bases: object

UdpProxy is a class to act as a proxy server for MOSH (Mobile shell) protocol

This class provides the functionality of a proxy server for the MOSH protocol. MOSH is a protocol for mobile shell sessions, which helps maintain shell sessions when network connection is disrupted.

Parameters:

• key (str) – Base64 encoded key to be used for decryption of incoming messages

• target_ip (str) – IP of target server

• target_port (int) – Port number of target server

• listen_ip (str, default: '') – IP to bind the proxy server (default ‘’)

• listen_port (int, default: 0) – Port number to bind the proxy server (default 0)

• buf_size (int, default: 1024) – buffer size for incoming data (default 1024)

check_pairing(addr)

Get the destination address to forward incoming messages to.

Parameters:

addr (Tuple[str, int]) – Address of incoming message

Return type:

Tuple[str, int]

Returns:

Destination address

get_bind_port()

Get the port number that the proxy server is bound to.

Return type:

int

Returns:

Port number

receive(buff_size)

Receive incoming messages, decrypt and log the data, and forward it to the target server.

Parameters:

buff_size (int) – buffer size for incoming data

Return type:

None

start()

Start the proxy server.

Return type:

None

thread_receive()

Start a separate thread to receive incoming messages.

Return type:

None

sshmitm.apps.mosh.handle_mosh(session, traffic, isclient)

Handle encrypted traffic from Mosh, a mobile shell that serves as a replacement for ssh.

Parameters:

• session (Session) – A Session object representing the Mosh connection.

• traffic (bytes) – Encrypted traffic from Mosh.

• isclient (bool) – A boolean value indicating whether the current session is a client session.

Return type:

bytes

Returns:

The processed traffic.