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ooohhh BUGGER!!!!

 
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Grawlfang
Prince
Prince


Joined: 18 Feb 2005
Posts: 1256
Location: The Land of our lord JC, silly walks and all

PostPosted: Wed Mar 19, 2008 8:06 pm    Post subject: ooohhh BUGGER!!!! Reply with quote

Well I did wonder why my workrate had dropped a little...

....got back home this evening, logged on and found that my PC wasn't processing milkyway@home at all, but 100% CPU was bound up on something called pscan2

Bloody script kiddie had got in (well in fact two of them had) and installed some kit on my machine.

I wouldn't mind but I protect my machine via public key authentication - well I did, but it seems that a recent upgrade to Zenwalk 4.8 undid all my clever sshd_config and put a basic one in its place...which meant that one of the usernames I gave to one of children (which had a simple password) got broken into...

So, to the point..

Anyone know what a kit that installs into a '.pa' directory does (they installed it in /tmp/mds/.pa) ? The files it contains seem to be :-

Code:

root[mds]# tar ztvf pa1.tgz
drwx------ web/web           0 2007-04-05 09:08 .pa/
-rwxr-xr-x web/web         218 2006-07-14 23:51 .pa/a
-rwxr-xr-x web/web        1184 2007-04-16 04:19 .pa/a1
-rwxr-xr-x web/web         215 2006-01-11 01:19 .pa/a2
-rwxr-xr-x web/web        7213 2006-01-11 01:40 .pa/a4
-rwx------ web/web         208 2006-01-11 01:08 .pa/a5
-rwxr-xr-x web/web         141 2007-04-16 04:21 .pa/a6
-rwxr-xr-x web/web      171740 2006-07-14 23:51 .pa/pico
-rwxr-xr-x web/web        8958 2006-01-15 17:51 .pa/sshf
-rwxr-xr-x web/web        8973 2006-01-15 17:51 .pa/sshf0
-rwxr-xr-x web/web        4196 2007-04-16 04:23 .pa/start
-rw-r--r-- web/web         201 2007-04-16 04:32 .pa/README
-rw-r--r-- web/web           0 2006-07-14 23:51 .pa/22.pscan.22
-rw-r--r-- web/web      190148 2006-03-01 15:04 .pa/pass_file
-rwxr-xr-x web/web         159 2006-01-11 00:29 .pa/test.sh
-rw-r--r-- web/web       22354 2004-12-01 23:31 .pa/common
-rwxr-xr-x web/web      846832 2006-07-14 23:51 .pa/ssh-scan
-rwx------ web/web       25503 2006-07-14 23:51 .pa/pscan2
-rwxr-xr-x web/web         265 2004-11-24 23:21 .pa/gen-pass.sh
-rwxr-xr-x web/web      249980 2001-02-13 12:36 .pa/screen
-rwxr-xr-x web/web         107 2006-07-14 23:50 .pa/pass_sh
-rw-r--r-- web/web         136 2007-04-16 04:22 .pa/vuln.txt
-rw-r--r-- web/web      190148 2006-03-22 12:45 .pa/pass_filees


There was also a fontx.tgz installed in the broken into users home directory which contained :-

Code:

root[kiddie]# tar ztvf fontx.tgz
drwxr-xr-x prueba/prueba     0 2008-01-07 07:15 .font-UNIX/
-rw-r--r-- prueba/prueba 16652 2005-07-21 05:24 .font-UNIX/hide
-rw-r--r-- prueba/prueba   200 2005-07-21 06:01 .font-UNIX/run
-rw-r--r-- prueba/prueba  3205 2008-01-07 07:15 .font-UNIX/mech.set
drwxr-xr-x prueba/prueba     0 2008-01-07 07:14 .font-UNIX/randfiles/
-rw-r--r-- prueba/prueba  3982 2002-12-29 23:21 .font-UNIX/randfiles/randinsult.e
-rw-r--r-- prueba/prueba   519 2002-12-29 23:21 .font-UNIX/randfiles/randnicks.e
-rw-r--r-- prueba/prueba  1465 2002-12-29 23:21 .font-UNIX/randfiles/randversions.e
-rw-r--r-- prueba/prueba   830 2002-12-29 23:21 .font-UNIX/randfiles/randkicks.e
drwxr-xr-x prueba/prueba     0 2008-02-27 01:52 .font-UNIX/randfiles/.font/
-rwxr-xr-x prueba/prueba 16652 2005-07-21 05:24 .font-UNIX/randfiles/.font/hide
-rwxr-xr-x prueba/prueba   588 2008-02-27 01:00 .font-UNIX/randfiles/.font/1
-rwxr-xr-x prueba/prueba   199 2008-02-27 02:10 .font-UNIX/randfiles/.font/run
-rwxr-xr-x prueba/prueba  9283 2008-02-27 02:13 .font-UNIX/randfiles/.font/mech.set
-rwxr-xr-x prueba/prueba   588 2008-02-27 01:00 .font-UNIX/randfiles/.font/2
-rwxr-xr-x prueba/prueba    44 2008-02-25 12:22 .font-UNIX/randfiles/.font/livezone.dir
-rwxr-xr-x prueba/prueba 468134 2001-05-15 14:05 .font-UNIX/randfiles/.font/sshd
drwxr-xr-x prueba/prueba      0 2007-12-26 09:10 .font-UNIX/randfiles/.font/randfiles/
-rw-r--r-- prueba/prueba   3982 2002-12-29 23:21 .font-UNIX/randfiles/.font/randfiles/randinsult.e
-rw-r--r-- prueba/prueba    519 2002-12-29 23:21 .font-UNIX/randfiles/.font/randfiles/randnicks.e
-rw-r--r-- prueba/prueba   1465 2002-12-29 23:21 .font-UNIX/randfiles/.font/randfiles/randversions.e
-rw-r--r-- prueba/prueba    830 2002-12-29 23:21 .font-UNIX/randfiles/.font/randfiles/randkicks.e
-rw-r--r-- prueba/prueba  55316 2002-12-29 23:21 .font-UNIX/randfiles/.font/randfiles/randsay.e
-rw-r--r-- prueba/prueba   5195 2002-12-29 23:21 .font-UNIX/randfiles/.font/randfiles/randaway.e
-rw-r--r-- prueba/prueba   2495 2002-12-29 23:21 .font-UNIX/randfiles/.font/randfiles/randpickup.e
-rw-r--r-- prueba/prueba   3651 2002-12-29 23:21 .font-UNIX/randfiles/.font/randfiles/randsignoff.e
-rwxr-xr-x prueba/prueba   1033 2008-02-27 01:00 .font-UNIX/randfiles/.font/mech.levels
-rwxr-xr-x prueba/prueba     80 2008-02-25 12:22 .font-UNIX/randfiles/.font/cron.d
-rwx--x--x prueba/prueba      5 2008-02-27 01:55 .font-UNIX/randfiles/.font/mech.pid
-rwxr-xr-x prueba/prueba    588 2008-02-27 01:00 .font-UNIX/randfiles/.font/0
-rwxr-xr-x prueba/prueba   2532 2005-07-21 06:03 .font-UNIX/randfiles/.font/config
-rwxr-xr-x prueba/prueba     76 2008-02-27 01:55 .font-UNIX/randfiles/.font/LinkEvents
-rwxr-xr-x prueba/prueba    588 2008-02-27 01:00 .font-UNIX/randfiles/.font/3
-rwxr-xr-x prueba/prueba    764 2007-12-26 08:53 .font-UNIX/randfiles/.font/conf
-rwxr-xr-x prueba/prueba    265 2008-02-25 12:22 .font-UNIX/randfiles/.font/y2kupdate
-rw-r--r-- prueba/prueba  55316 2002-12-29 23:21 .font-UNIX/randfiles/randsay.e
-rw-r--r-- prueba/prueba   5195 2002-12-29 23:21 .font-UNIX/randfiles/randaway.e
-rw-r--r-- prueba/prueba   2495 2002-12-29 23:21 .font-UNIX/randfiles/randpickup.e
-rw-r--r-- prueba/prueba   3651 2002-12-29 23:21 .font-UNIX/randfiles/randsignoff.e
-rw-r--r-- prueba/prueba      6 2007-12-26 08:28 .font-UNIX/mech.pid
-rw-r--r-- prueba/prueba   2532 2005-07-21 06:03 .font-UNIX/config
-rw-r--r-- prueba/prueba     34 2007-12-26 08:28 .font-UNIX/LinkEvents
-rw-r--r-- prueba/prueba 468134 2001-05-15 14:05 .font-UNIX/emech


And finally I found a new user added - 'sshhd' - any clues what may have been installed [or attempted to be installed] with this ?

Fortunately (as I know of no current secrity issues with my version of Zenwalk) they only got into a restricted user account (not even in the same group as my main login) so I don't think too much damage was done - but if anyone knows what these kits do I'd love to know ?

Ni! [and a little embarrased]
Fang
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jonnyv
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KWSN Castellan


Joined: 15 May 2002
Posts: 2098
Location: Scottsdale, AZ

PostPosted: Wed Mar 19, 2008 8:34 pm    Post subject: Reply with quote

The first one sounds a bit like this: http://ubuntuforums.org/archive/index.php/t-253373.html

The second one looks like some sort of IRC robot.
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