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ActiveX Object in Win32?

 
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Stylo
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PostPosted: Tue Aug 12, 2014 6:33 am    Post subject: ActiveX Object in Win32? Reply with quote
Is there a way to create ActiveX object using win32 API?
the native for
Code:

<script>
  var activex = new ActiveXObject("WScript.Shell");
</script>

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atom0s
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PostPosted: Tue Aug 12, 2014 1:03 pm    Post subject: Reply with quote
If you are using VB.NET/C# you can do it via the Microsoft.VisualBasic .NET library via:
Code:
Microsoft.VisualBasic.Interaction.CreateObject


This will use the COM calls needed to create the instance of the object.

If you need to do it in C++ perhaps something like this will help:
http://www.x86pro.com/article/vb-c-cpp-com-2
http://www.codeproject.com/Articles/2539/Adding-VBScript-and-JScript-support-in-your-C-appl
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Stylo
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PostPosted: Tue Aug 12, 2014 4:08 pm    Post subject: Reply with quote
Awhhh..
It's giving me hard time with
cannot convert from CLSID to const IID*const when trying to use CoCreateInstance

WTH is going on here
I'm not familiar with those types and libraries :S
that's my code
Code:

int main()
{
   CLSID      clsidWshShell;
   IDispatch   *pdispWshShell = NULL;
   HRESULT      hr;

   setlocale(LC_CTYPE, "");
   CoInitialize(NULL);
   CLSIDFromProgID(L"WScript.Shell", &clsidWshShell);

   hr = CoCreateInstance(clsidWshShell,
                    NULL,
                    CLSCTX_ALL,
                    IID_IDispatch,
                    (void**)pdispWshShell);

   if(hr)
   {
      printf("Hey");
   }

   return 0;
}

Guess I'll just dive into that sh*t
Thanks for your help
If you have any solution, it'd be great!
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PostPosted: Tue Aug 12, 2014 5:20 pm    Post subject: Reply with quote
Setting it like this works fine for me:
Code:

#include <Windows.h>
#include <stdio.h>
#include <locale.h>

int __cdecl main(int argc, char* argv[])
{
    // Set the system locale..
    ::setlocale(LC_CTYPE, "");

    // Initialize COM..
    ::CoInitialize(NULL);

    // Obtain the CLSID of WScript.Shell..
    CLSID clsidWSS;
    ::CLSIDFromProgID(L"WScript.Shell", &clsidWSS);

    // Initialize a COM object of the shell scripting..
    IDispatch* lpDispatch = NULL;
    HRESULT hResult = S_OK;
    if (SUCCEEDED(hResult = ::CoCreateInstance(clsidWSS, NULL, CLSCTX_ALL, IID_IDispatch, (void**)&lpDispatch)))
    {
        // do stuff here with the object..
    }

    // Shutdown COM..
    ::CoUninitialize();
    return 0;
}

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Stylo
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PostPosted: Wed Aug 13, 2014 1:15 pm    Post subject: Reply with quote
Guess I had to set Options > Advanced > Compile as C++ code to make it work..
Nice..
BTW, I'm trying to inject that code as a dll to IE hopefully It'd be the same object as the original ActiveX object created with
Code:

<script>
  var activex = new ActiveXObject("WScript.Shell");
</script>

but it has nothing to do with it
any ideas on that?
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PostPosted: Wed Aug 13, 2014 6:20 pm    Post subject: Reply with quote
Not quite sure I follow what you mean in that post.
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Stylo
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PostPosted: Sun Aug 17, 2014 10:52 am    Post subject: Reply with quote
Sorry.. XD
What I meant was,
When I create an ActiveX object using JavaScript, Its memory structure looks different than what I create using the native code
I thought using the native code injected into Internet Explorer will cause the ActiveX to get the same structure as the JavaScript version, But it's a different kind of ActiveX
Attached a photo of the ActiveX object created from the native code above
as you can see, it's not a normal ActiveX that is created through internet explorer
I'll upload the ActiveX memory structure created by IE in a few minutes...

myact.png
 Description:
 Filesize:  16.97 KB
 Viewed:  8793 Time(s)

myact.png

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PostPosted: Sun Aug 17, 2014 1:25 pm    Post subject: Reply with quote
Given that it has a two step process from being ran within Javascript, it wont have the same type at face value. Since the object is first defined and created within the Javascript host, then the host creates and allocates the object in whatever manager / GC method it has (if it has one).

You may need to follow some pointers to locate the actual base object for the WScript.Shell object. Not too sure though since I don't touch ActiveX or Internet Explorer.

Another idea would be to debug Internet Explorer. Set a breakpoint on CoCreateInstance and see if you can trace where it may be creating the object.
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Stylo
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PostPosted: Sun Aug 17, 2014 3:16 pm    Post subject: Reply with quote
Yeah, I thought about that
Only problem is that when the ActiveX object is created, there are several unexported functions that are being called.
So I guess I'll have to reverse some of them to get the idea

Thanks Very Happy
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