What?

This is a backdoor for servers in NAT networks.

One server on the public internet acts as a backdoor server, where other computers connect, creating reverse tunnels to their ports 22.

The program manages random ports that are then available at the server localhost.

install

configure config.env and run make install

• ssh-backdoor will go to ~/bin/ssh-backdoor
• Servers behind NAT should access the ssh-backdoor-open script over a http(s) server
• Clients that want to connect to the backdoored servers should be able to access ssh-backdoor-connect script
• use the 'ad-hoc-www-server' if no proper http server available

running

• NATted servers must copy their id_rsa.pub to backdoor server's authorized_keys
• Clients should do the same, for ease of access
• Have NATted servers run ssh-backdoor-open at boot (in cron or otherwise)
• Use the ssh-backdoor command directly, or ssh-backdoor-connect from client machines to connect

utils

• ssh-list lists all processes with ssh and backdoor
• ssh-kill-all kills all ssh connections (except the current parent), and all python processes