RE: New Trojan
From: Rob Shein (shoten_at_starpower.net)
Date: 10/26/03
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To: "'Jay Castaldo'" <fupayme2003@hotmail.com>, <incidents@securityfocus.com> Date: Sat, 25 Oct 2003 19:30:42 -0400
The entry "rundll32 rundll32 C:\WINNT\system32:acbdhpd.dll,Init 1" is
pulling that DLL as an alternate stream. You won't find the file in
system32; the file itself is stored in a second stream attached to the
object for the system32 folder itself.
For a good overview of alternate data streams (or ADS as they are also
called), check out http://patriot.net/~carvdawg/docs/dark_side.html.
> -----Original Message-----
> From: Jay Castaldo [mailto:fupayme2003@hotmail.com]
> Sent: Saturday, October 25, 2003 4:18 AM
> To: incidents@securityfocus.com
> Subject: New Trojan
>
>
>
>
> I don't know if this is a new trojan or anything, but I have
> tried doing some research on the Internet and couldn't find
> anything on it. Well it has two registry entries in my Run,
> and RunOnce. Here is the name of both keys acbdhpd and the
> values are pointing to a file1129 I can not seem to find
> rundll32 C:\WINNT\system32:acbdhpd.dll,Init 1. I tried
> killing my explorer.exe to see if that is reason I can't find
> it because I am most likely using a trojanized explorer.exe,
> but I could only find a copy in my temp, I delete through DOS
> and delete the registry entries to no success, the registry
> keys appear within 30 seconds and the file pops right back
> up. Anybody seen this or can give me some help to get this
> out without reloading? It has also opened up two TCP, 3799,
> and 41225 and two UDP ports, 1129, 1241. Thanks
>
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