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SubjectRe: ext3 hacked filesystem (by debian exim4 exploit) available for analysis and bugreporting
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


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