sorry! i use you question help me ,
about metasploit windows 3.6 , how can i generate a shellcode use any cmd command,

how I use metasploit windows/exec generate shellcode (the cmd command is:

start c:\abc\1.exe ) i maked it but not work, and i also encode the shellcode , i use

that (set CMD net user hack 123 /add)that work , i know the payload

download_exec ,that work. but i want make any cmd command shellcode

anybody can help me ,i know that very hard .