full-disclosure - Re: when will AV vendors fix this???

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Date: Tue, 8 Aug 2006 07:54:13 +0545
From: "Bipin Gautam" <gautam.bipin@...il.com>
To: "Paul Schmehl" <pauls@...allas.edu>
Cc: full-disclosure@...ts.grok.org.uk, bugtraq@...urityfocus.com
Subject: Re: when will AV vendors fix this???

> >
> This is similar to the problem of alternative data streams.
> Essentially, the work needed to solve this problem isn't worth the
> expenditure of time and effort, because the file, in order to infect the
> system, has to be executed.  Once the file is executed "normal"
> on-access scanning will catch the exploit *if* it is known.  (If it's
> unknown, it doesn't matter anyway.)  Yes, on-demand scanning won't "see"
> the file, but even malicious files are benign until they are run.
>

i still insist, it might be a minor glitch to NOT ALLOW even admins to
access a private file directly, but it isn't an issue with windows at
all!!!
I thought the the files should be accessed via "SeTcbPrivilege" BUT it
doesn't. )O;

but hey, most of  "the file undelete utilities" already do this.....
if you try reading/copying a EXISTING file (via sys admin privilage)
using (say Restorer2000 Demo) it effectively bypasses file permission
regardless if it...... & can read the file! there must be another
undocumented? API doing this???

another note, even WINDOWS ONECAIR is pron to this bug.

-bipin

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