bugtraq - Re: Need help. Proof of concept 100% security.

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Date: Sat, 16 Aug 2003 11:12:52 +0200
From: "Stefano Zanero" <stefano.zanero@...e.org>
To: "BugTraq" <BUGTRAQ@...URITYFOCUS.COM>
Subject: Re: Need help. Proof of concept 100% security.

> Each program will make a defind set of syscalls to achieve its
> objective. Now idea is to watch syscalls that a program is supposed to
> make during its run time. A database which describes the syscalls that a
> program can make is called behavior model of the program. Lets assume we
> can generate a behavior model which perfectly describes an application.
> Now any deviation from behavior model of program essentially indicates
> an intrusion at real time. Thus a corrective action can be taken.

Nothing new under the sun:

http://imsafe.sourceforge.net/inside.htm
ftp://ftp.cs.unm.edu/pub/forrest/uss-2000.ps

And even published research:
http://citeseer.ist.psu.edu/13864.html
http://citeseer.nj.nec.com/445166.html

There are conspicuous citations in the two papers above. As for the mimicry
attacks against this concept, an URL has already been posted

Cordialmente,
Stefano Zanero