This a P2P implementation of telnet. This program transfers data on TCP sockets as plain text.
This is not a complete implementation in telnet protocol based on rfc854. There is no option negotiation to establish an NVT
This script could be used for:
- Sending plain text messages to server
- Upload and download files to and from a peer
- Execute commands on another peer and get the results
- Scan open ports of a host
- Send other requests such as SMTP or HTTP requests to servers.
This program uses PostgreSQL to save commands entered on client side on telnet_history database. When you run program in client mode it asks for username and password to connect to Postgre database.
You need to run this script as 2 proccesses for client and server mode.
To exit the program press Ctrl+c.
To run in server mode you need to run the following command in terminal:
>python3 main.py server [portnumber]
portnumber is the port server is going to listen on.
To run in client mode you need to run the following command in terminal:
>python3 main.py client
-
To establish a connection:
telnet> open [host] [port]When connection is established you can:
-
Send message to another peer:
127.0.0.1:2250> send message hi done -
Send message to a remote SMTP or HTTP server:
google.com:80>send remote GET / HTTP/1.1 HOST: google.com done Waiting for server... HTTP/1.1 301 Moved Permanently Location: http://www.google.com/ Content-Type: text/html; charset=UTF-8 Date: Sun, 30 May 2021 11:24:52 GMT Expires: Tue, 29 Jun 2021 11:24:52 GMT Cache-Control: public, max-age=2592000 Server: gws Content-Length: 219 X-XSS-Protection: 0 X-Frame-Options: SAMEORIGIN <HTML><HEAD><meta http-equiv="content-type" content="text/html;charset=utf-8"> <TITLE>301 Moved</TITLE></HEAD><BODY> <H1>301 Moved</H1> The document has moved <A HREF="http://www.google.com/">here</A>. </BODY></HTML> Server response recieved! -
Upload a file to a peer:
127.0.0.1:2250> upload [path] -
Download file from a peer:
127.0.0.1:2250> download [path] -
Execute a command on peer:
127.0.0.1:2250> exec [command] -
Disconnect:
127.0.0.1:2250> quit
-
-
To scan 1 to 1024 ports from start_ip to end_port:
telnet> scan [start_ip] [end_ip] -
You could also see the previouse commands:
telnet> history