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#
# $Id: README.mydoom,v 1.1 2004/03/16 17:02:09 provos Exp $
#

1. Description

   mydoom.pl is a simple Perl script, that works with honeyd, to
   emulate the backdoor installed by the Mydoom virus.  It saves
   uploaded files and also logs attempts to use the Mydoom backdoor
   proxy capability (socks4).  For more information about Mydoom, see
   section 5 below.


2. Dependencies

   mydoom.pl needs Perl and a working honeyd environment.  For
   instructions on how to compile and configure honeyd, please refer
   to the honeyd website:

   http://www.citi.umich.edu/u/provos/honeyd/


3. Installation

   a. copy the mydoom.pl script:

      # cp mydoom.pl /full/path/mydoom.pl
      # chmod 755 /full/path/mydoom.pl

   b. create the LOGDIR directory:

      # mkdir -p /full/path/mydoom
      # chown nobody:nobody /full/path/mydoom

   c. edit your honeyd configuration file, adding something like:

      ###
      create mydoom
      set mydoom personality "Microsoft Windows XP Professional"
      # on honeyd-0.7, use the line below instead:
      #set mydoom personality "Windows XP Pro"
      set mydoom default tcp action reset
      set mydoom default udp action reset
      set mydoom default icmp action open
      set mydoom uid 32767 gid 32767
      add mydoom tcp port  1080 "/full/path/mydoom.pl -l /full/path/mydoom"
      add mydoom tcp port  3127 "/full/path/mydoom.pl -l /full/path/mydoom"
      add mydoom tcp port  3128 "/full/path/mydoom.pl -l /full/path/mydoom"
      add mydoom tcp port 10080 "/full/path/mydoom.pl -l /full/path/mydoom"

      bind 192.0.2.1 mydoom
      ### change the IP above -- this is only an example.


   d. restart honeyd.


4. Logging

   mydoom.pl logs all its activities to LOGDIR/logfile.  LOGDIR can be
   specified using the `-l' option.  If this option is not provided,
   LOGDIR defaults to `/var/mydoom'.  The log verbosity can be
   increased with the `-d' (debug mode) option.  All downloaded files
   are stored inside the LOGDIR directory.


5. Additional information

   Additional information about Mydoom is available at:

   * CERT/CC Incident Note IN-2004-01
     http://www.cert.org/incident_notes/IN-2004-01.html

   * CERT/CC Advisory CA-2004-02 Email-borne Viruses
     http://www.cert.org/advisories/CA-2004-02.html


6. License Information

   mydoom.pl is Free Software.  For license details, please refer to
   the source code.


7. Obtaining new versions

   New versions of my mydoom.pl are available at:
   http://www.honeynet.org.br/tools/


8. Reports and questions

   Please send comments, questions and bug reports to
   jessen@nic.br.


9. Acknowledgments

   The author would like to thank the Honeynet.BR Team and the
   Brazilian Honeypots Alliance for their ideas and help testing this
   tool.


# README ends here.