orw.asm

    push    offset aGiveMyYourShel ; "Give my your shellcode:"
    call    _printf
    add     esp, 10h
    sub     esp, 4
    push    0C8h
    push    offset shellcode
    push    0
    call    _read
    add     esp, 10h
    mov     eax, offset shellcode
    call    eax ; shellcode
    mov     eax, 0
    mov     ecx, [ebp+var_4]
    leave
    lea     esp, [ecx-4]
    retn