From: Pavel Machek <pavel@ucw.cz>
To: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Cc: Matthias Schniedermeyer <ms@citd.de>, linux-kernel@vger.kernel.org
Subject: Re: ext3 hacked filesystem (by debian exim4 exploit) available for analysis and bugreporting
Date: Fri, 29 Jul 2011 21:59:04 +0200 [thread overview]
Message-ID: <20110729195904.GC1720@ucw.cz> (raw)
In-Reply-To: <CAPweEDybuOpPVidJWg+rfs8rU8y=xo4d3H=P7XQJh_DiKrF4DQ@mail.gmail.com>
On Mon 2011-07-25 22:08:24, Luke Kenneth Casson Leighton wrote:
> On Mon, Jul 25, 2011 at 2:45 PM, Matthias Schniedermeyer <ms@citd.de> wrote:
> > On 25.07.2011 13:08, Luke Kenneth Casson Leighton wrote:
> >> folks, hi,
> >>
> >> apart from anything, files which cannot be deleted (and cannot be
> >> detected as "corrupted" by fsck.ext3) is pretty damn serious.
> >
> > You did try lsattr and checked that the files aren't 'immutable'?
>
> i didn't! :) didn't know about (but should have guessed) ext3
> attributes. they are indeed - thank you matthias.
>
> root@quietbaby:/mnt/horsebox/tmp3# lsattr *
> ----ia------------- bin3/kill
> ----ia------------- bin3/ps
> ----ia------------- c.pl
> ----ia------------- e.conf
> ----ia------------- sbin3/sysctl
> ----ia------------- usrbin3/uptime
> ----ia------------- usrbin3/tload
> ----ia------------- usrbin3/free
> ----ia------------- usrbin3/top
> ----ia------------- usrbin3/vmstat
> ----ia------------- usrbin3/watch
> ----ia------------- usrbin3/skill
> ----ia------------- usrbin3/pmap
> ----ia------------- usrbin3/pgrep
> ----ia------------- usrbin3/slabtop
> ----ia------------- usrbin3/pwdx
> ----ia------------- usrbin3/snice
> ----ia------------- usrbin3/pkill
> ----ia------------- usrbin3/w
>
> so - looks like it's not as bad as i thought.
Should ls -l be moddified to show something when file has immutable
(and friends) set?
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2011-07-29 19:59 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-25 12:08 ext3 hacked filesystem (by debian exim4 exploit) available for analysis and bugreporting Luke Kenneth Casson Leighton
2011-07-25 13:45 ` Matthias Schniedermeyer
2011-07-25 21:08 ` Luke Kenneth Casson Leighton
2011-07-29 19:59 ` Pavel Machek [this message]
2011-07-29 21:31 ` Matthias Schniedermeyer
2011-07-29 22:51 ` Pádraig Brady
2011-07-30 2:47 ` Kyle Moffett
2011-07-30 9:14 ` Jim Meyering
2011-07-30 13:03 ` Luke Kenneth Casson Leighton
2011-07-30 13:15 ` Luke Kenneth Casson Leighton
2011-07-30 12:58 ` Luke Kenneth Casson Leighton
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