BugTraq
[xfocus-AD-051115]Multiple antivirus failed to scan malicous filename bypass vulnerability Nov 15 2005 05:59AM
alert7@xfocus.org (alert7 xfocus org) (1 replies)
Re: [xfocus-AD-051115]Multiple antivirus failed to scan malicous filename bypass vulnerability Nov 15 2005 08:23PM
Thierry Zoller (Thierry Zoller lu)
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

[ reply ]


 

Privacy Statement
Copyright 2010, SecurityFocus