reverse shell ssh

not netcat, it is ssh

install openssh server

$ sudo apt install openssh-server

check status ssh

$ sudo systemctl status ssh

if not work it ssh

$ sudo systemctl enable ssh
$ sudo systemctl start ssh

 

access the target server from client, if you had key-file, to include -i option.

$ ssh -R server_port:localhost:client_port user@server_ip
$ ssh -nNT -o TCPKeepAlive=yes -R server_port:127.0.0.1:client_port user@server_ip