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Re: Strange changes - any ideas?

daemon@ATHENA.MIT.EDU (Andrew V. Kovalev)
Mon Jun 10 02:59:56 1996

Date: 	Mon, 10 Jun 1996 10:33:57 +0400
Reply-To: Bugtraq List <BUGTRAQ@NETSPACE.ORG>
From: "Andrew V. Kovalev" <Andrew.V.Kovalev@jet.msk.su>
To: Multiple recipients of list BUGTRAQ <BUGTRAQ@NETSPACE.ORG>
In-Reply-To:  <9606081347.AA08459@all.net> from Fred Cohen at "Jun 8,
              96 09:47:48 am"

Fred Cohen wrote:
> We run a change-controlled environment, which means that we should be
> aware of all changes.  To crosscheck this, we regularly do automated
> change detection.  This morning, I made some minor changes to some user
> areas and ran the change control checks only to find the changes listed
> below. (Here are some select extracts)
>
>         *** '/bin/newgrp' has changed as follows:
>            The contents (md5 checksum) changed. Any change in content can trigger this.
> Checking /bin
> *** '/bin/newgrp' has changed as follows:
>    The contents (md5 checksum) changed. Any change in content can trigger this.
> *** '/bin/login' has changed as follows:


Looks like /usr was remounted with nosuid option. All (and only) setuid
executables are listed.

                                avk

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