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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 _______________________________________________ Full-Disclosure - We believe in it. Charter: http://lists.grok.org.uk/full-disclosure-charter.html Hosted and sponsored by Secunia - http://secunia.com/
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