Penetration Testing mailing list archives
Re: PenTesting Email AntiVirus
From: "Rainer Duffner" <rainer () ultra-secure de>
Date: Fri, 17 May 2002 08:52:00 +0000
Ilici Ramirez writes:
Hello,What ways do you know to pen-test email antivirussoftware?
I'd try to pack various combinations of different file-formats into each other (OLE-container). E.g., if they have disabled .exe to enter or leave the LAN, try sticking it into an Excel or PPT-file. It should not work, but that's what you're supposed to find out. ;-)Of course, with webmail-over-https this is 80% pointless nowadays...
A cool one that has been published before is to zip a very large file that contains the same character. The result, a very small file attached to an email could deplete resources on the antivirus server. Do you know any AV exploitable with this?
It's called 42.zip and there has been a discussion about this once in a while. Search the archives.
cheers, Rainer -- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Rainer Duffner Munich rainer () ultra-secure de Germany http://www.i-duffner.de Freising ======================================== When shall we three meet again In thunder, lightning, or in rain?~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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Current thread:
- PenTesting Email AntiVirus Ilici Ramirez (May 16)
- Re: PenTesting Email AntiVirus Rainer Duffner (May 17)
- Re: PenTesting Email AntiVirus William D. Colburn (aka Schlake) (May 17)
- Re: PenTesting Email AntiVirus Volker Tanger (May 17)
- <Possible follow-ups>
- Re: PenTesting Email AntiVirus Muhammad Faisal Rauf Danka (May 17)