What include to use?

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optiplex

Joined: 07 Mar 2008
Posts: 7

optiplex 10 Mar 2008, 13:22

Hello

Whats the best include to use?

When I include win32a.inc, then I have to import some functions manually

On win32ax.inc, some functions are already imported, like MessageBox//ExitProcess etc. But how do I import more functions, from a library like msvcrt.

I tried various things like

Code:

.idata
library msvcrt, 'msvcrt.dll'
import msvcrt,\
  exit, 'exit',\
  printf, 'printf'

but it gives me an 'already defined' error.

Any suggestions?

Thanks in advance

-optiplex

Code:

_________________
-optiplex-

10 Mar 2008, 13:22

edfed

Joined: 20 Feb 2006
Posts: 4353
Location: Now

edfed 10 Mar 2008, 13:25

it's not dos.

10 Mar 2008, 13:25

revolution
When all else fails, read the source

Joined: 24 Aug 2004
Posts: 20451
Location: In your JS exploiting you and your system

revolution 10 Mar 2008, 13:29

If you want to get imports from msvcrt then you have to use win32a.inc.

The win32ax version will automatically import the Win32 API's when you use ".end", so when you try to import msvcrt you have a conflict.

10 Mar 2008, 13:29

optiplex

Joined: 07 Mar 2008
Posts: 7

optiplex 10 Mar 2008, 15:40

Thanks revolution.

But what if I want to use msvcrlt AND the librarys that win32ax.inc loads?

Do I still have to load them manually with win32a.inc, or is there something else?

- optiplex

10 Mar 2008, 15:40

revolution
When all else fails, read the source

Joined: 24 Aug 2004
Posts: 20451
Location: In your JS exploiting you and your system

revolution 10 Mar 2008, 15:54

With the current macros you need to do the imports yourself if you want to add extra libraries. Just copy the library section from win32ax and add the extra msvcrt and paste into your code.

10 Mar 2008, 15:54

optiplex

Joined: 07 Mar 2008
Posts: 7

optiplex 11 Mar 2008, 17:58

I tried to revolution, but it wont work

macro .end label
{
entry label

Code:

   section '.idata' import data readable writeable
     library kernel32,'KERNEL32.DLL',\
            user32,'USER32.DLL',\
            gdi32,'GDI32.DLL',\
      advapi32,'ADVAPI32.DLL',\
        comctl32,'COMCTL32.DLL',\
        comdlg32,'COMDLG32.DLL',\
        shell32,'SHELL32.DLL',\
          wsock32,'WSOCK32.DLL'

     import_kernel32
     import_user32
     import_gdi32
     import_advapi32
     import_comctl32
     import_comdlg32
     import_shell32
     import_wsock32

     all_api

}

Just wont work Sad

Code:

It gives errors, like on import_kernel32.. etc

-optiplex

11 Mar 2008, 17:58

revolution
When all else fails, read the source

Joined: 24 Aug 2004
Posts: 20451
Location: In your JS exploiting you and your system

revolution 12 Mar 2008, 00:29

Try to follow one of the examples included in the Windows download. The beer example shows how to include arbitrary libraries.

12 Mar 2008, 00:29

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