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Message-ID: <87vdye6etu.fsf@basil.nowhere.org>
Date:	Wed, 06 Aug 2008 04:46:05 +0200
From:	Andi Kleen <andi@...stfloor.org>
To:	"Press, Jonathan" <Jonathan.Press@...com>
Cc:	"Eric Paris" <eparis@...hat.com>, "Greg KH" <greg@...ah.com>,
	<linux-kernel@...r.kernel.org>, <malware-list@...ts.printk.net>
Subject: Re: [malware-list] [RFC 0/5] [TALPA] Intro to a linux interface foron access scanning

"Press, Jonathan" <Jonathan.Press@...com> writes:
>
> Also...  I was one of the people who brought up the idea of a process
> exclusion when the requirements list was being developed.  I intended it
> as a way that an AV application could exclude specific OTHER processes
> by name (as selected by the AV user)

There's no fixed process name in Linux that cannot be easily faked: 

Use process name -- every process can change that by writing to its own
environment.
Use comm name -- there's a prctl to change that and there can be collisions
Use path name of binary -- breaks with chroot and name spaces. Also existing
binaries can be subverted.
Use inode of binary -- can be faked with fuse and breaks when the binaries
is copied ...
Use dev, inode -- breaks when copying binary and when running on network
file systems without a device node

-Andi

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