Skip site navigation (1)Skip section navigation (2)
Date:      Sun, 19 Dec 2004 17:51:02 +0800
From:      Ganbold <ganbold@micom.mng.net>
To:        Dave <mudman@metafocus.net>
Cc:        freebsd-security@freebsd.org
Subject:   Re: Strange command histories in hacked shell history
Message-ID:  <6.2.0.14.2.20041219174654.051f1250@202.179.0.80>
In-Reply-To: <20041218173044.K23128@metafocus.net>
References:  <20041217120138.7A89116A4D2@hub.freebsd.org> <20041217145315.GB68582@wjv.com> <41C391BE.3030604@earthlink.net> <20041218022556.GA85192@wjv.com> <1103354079.16723.6.camel@red.nativenerds.com> <41C41869.5040408@winbot.co.uk> <20041218173044.K23128@metafocus.net>

next in thread | previous in thread | raw e-mail | index | archive | help
At 09:35 AM 12/19/2004, you wrote:
> > You could change the permissions on the su binary, so that only users 
> in the wheel group can even
> > execute su. that way, when a non-wheel user attempts to su to a user in 
> the wheel group, they simply
> > get permission denied.
>
>This is a really good idea.  I decided to try it as root and chmod gave me
>chmod: su: Operation Not Permitted!  The nerve!  I'll have to have a look
>at that more carefully later :)

Yes, I like this idea too. I'll try it for sure.

>As a side note, I think Bill's point about 2 passwords to break is pretty
>strong in my point of view.  Just for simplicity's sake (in both security
>and in design), "the su stack" really shouldn't be any larger than 1.  No
>su'ing twice, or N number of times.

That could be useful option too.

>Hmm, I wonder if there is an option
>for setting that.  I suppose someone might have a purpose to, but if they
>really need to be doing that, I think they have a problem in their own
>designs.

Anyway, thanks for all who read my annoying email and responded :)
Still I don't know yet how hacker got into the system, but
I'll try my best and I hope I will find more in hacked PC in next couple of 
days.

thanks a lot,

Ganbold





>_______________________________________________
>freebsd-security@freebsd.org mailing list
>http://lists.freebsd.org/mailman/listinfo/freebsd-security
>To unsubscribe, send any mail to "freebsd-security-unsubscribe@freebsd.org"



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?6.2.0.14.2.20041219174654.051f1250>