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Message-Id: <201008270307.o7R37s6g012935@bari.maths.usyd.edu.au> Date: Fri, 27 Aug 2010 13:07:54 +1000 From: paul.szabo@...ney.edu.au To: atul@...fence.com, Valdis.Kletnieks@...edu Cc: full-disclosure@...ts.grok.org.uk Subject: Re: DLL hijacking with Autorun on a USB drive Valdis.Kletnieks@...edu wrote: >> Instead of it executing "wab.exe (Windows Address Book) and open the file >> test.vcf", one can directly get any .exe file open. > > The whole point is that launching wab.exe and opening a test file is relatively > innocuous - but if you can do that, you're basically holding the user's > testicles in one hand and a very sharp knife in the other. It *could* have been > anything - but we'll just do something mostly harmless just to be nice. I thought that the point is that the victim does not invoke wab.exe directly, but simply double-clicks on the innocent VCF file. The attacker provides an innocent (and innocent-looking) VCF or similar file, and places some DLLs in the same folder (or in some cases in a lower-level folder). The unsafe application foolishly looks for its DLLs in (or under) the current dir. Cheers, Paul Paul Szabo psz@...hs.usyd.edu.au http://www.maths.usyd.edu.au/u/psz/ School of Mathematics and Statistics University of Sydney Australia _______________________________________________ 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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