bugtraq - Re: [xfocus-AD-051115]Multiple antivirus failed to scan malicous filename bypass vulnerability

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Date: Tue, 15 Nov 2005 21:23:21 +0100
From: Thierry Zoller <Thierry@...ler.lu>
To: "alert7@...cus.org" <alert7@...cus.org>
Cc: full-disclosure@...ts.grok.org.uk, vulnwatch@...nwatch.org,
	bugtraq@...urityfocus.com
Subject: Re: [xfocus-AD-051115]Multiple antivirus failed
	to scan malicous filename bypass vulnerability

Dear Alert7 ,

That means that if the user clicks on it using explorer.exe or
iexplorer.exe the file won't be executed because even Microsoft
Windows explorer is unable to parse the file?

axo>   Demonstration here:
axo>   Choose a malicious file which would be detected, such as nc.exe,
axo>   rename the file as nc??.exe (?? =Hex C0 D7 BA DC)
axo>   Because these special names are unable directly to input, so if you
axo>   want to run these file, you should use the following way:
axo>   Uses the MS-DOS name specification, we can operate file with Open、
axo>   Read、Write、 and duplicate。

-- 
http://secdev.zoller.lu
Thierry Zoller

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