NT: Uses powershell, bash or msfvenom create payloads based on chosen OS,
or you use only the -c flag to issue commands without lhost, lport, and osys!

  Options:
  -h, --help            show this help message and exit
  -p RPORT, --port=RPORT
                        RPORT,
  -t TARGET, --target=TARGET
                        Vulnerable Target,
  -d DIRECTORY, --dir=DIRECTORY
                        Struts Application directory,
  -c COMMAND, --command=COMMAND
                        System Command,
  -o OSYS, --os=OSYS    Choose OS: Linux = 1, Windows = 2
  -l LHOST, --lhost=LHOST
                        LHOST
  -P LPORT, --lport=LPORT
                        LPORT
  -s SHELL, --shell=SHELL
                        Shell type: 1 = powershell or bash, and 2 = msfvenom