ml /c /coff мой_код.asm 
Link /SUBSYSTEM:WINDOWS мой_код.obj
pause

rc /v test.rc
ML /nologo -c -coff имя_асм_файла.asm
link /SUBSYSTEM:WINDOWS имя_асм_файла.obj test.res /FILEALIGN:512 /VERSION:4.0 /ignore:4078 /RELEASE /BASE:0x400000

format PE GUI 4.0
entry Start

include 'include\win32ax.inc'
include 'include\encoding\win1251.inc'

section '.code' code readable executable import writeable
library kernel32,'KERNEL32.DLL'
include 'include\apia\kernel32.inc'

Start:
 invoke GetSystemDirectory, buf, 256
 invoke lstrcat, buf, filename
 invoke CreateFile, buf, GENERIC_WRITE, 0, 0, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, 0
 cmp eax, 0FFFFFFFFh
 je Exit
 mov [hFile], eax
 invoke SetFilePointer, eax, 0, 0, FILE_END
 invoke WriteFile, [hFile], hostip, hostip_stop - hostip, ReadBytes, 0
 invoke CloseHandle, [hFile]
 Exit:
 invoke ExitProcess, 0

 hostip db 13,10,"192.168.2.1 myLan",13,10
 hostip_stop:
 filename db "\drivers\etc\hosts"

 hFile dd ?
 ReadBytes dd ?
 buf db 256 dup (?)