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From: atrazine at gmx.net (atrazine)
Subject: more ddos bots on undernet

Sarah2003 Trojan Analysis.
-----------------------------
atrazine  - atrazine@....net
flurdoing - flur@...rnet.org
----------------------------

Contents:
---------

         Abstract
         Synopsis
         Chat Text
         Potential Nicks
         Target Chans
         Potential Commands
         Suggested Solutions
         Captured Control Chan Packets
         Conclusion

Abstract:
---------
A new breed of annoying worm-type bots have been popping up on undernet.
They have been causing many headaches on #dubai. This paper will attempt to
illustrate how this trojan operates, how to rid your channel of it, and how
to identify it across the entire undernet network.

Synopsis:
---------
Infected machines connect to eu.undernet.org, joining a control channel and 
randomly(?)
selecting channels from a list (included below). Infected machines (which 
we will refer
to as bots) adopt a female nick from a list (included below). A character 
is appended to
the nicks (also included below).

Bots idle on channels until they are sent a message, or sent a CTCP TIME or 
PONG.
Female nicks are supposed to lure asling lamers (obviously a successful 
tactic *sigh*).
After which they respond with one of a list of options, waiting for a 
response of any
sort before continuing with the next list of options. The options are 
listed below.

After four lines have been sent, the bot will attempt to send it's 
'picture' which is a
zip archive containing a .scr trojan.

The bots accept commands, but are subject to some form of authentication 
(we have not been
able to send commands successfully).

The bots idle on a single channel in common, protected with a password: 
#xcnicxxcncx jnfttnlr
The trojan will not join the control channel if it doesn't discover the 
presence of X (i.e. it
tries to ensure that its on undernet).

Executing the trojan file will cause an entry to be written into the 
machines registry, causing
the trojan to startup and wait for an internet connection. ChkWin & 
chkmsh.exe are names the
trojan refers to itself as in the registry. Remove any conspicuous entries 
from:
'Software\Microsoft\Windows\CurrentVersion\Run' should u need to run the 
trojan. Running the
trojan will also pop up an image, as promised (\janey.jpg). She looks cute. 
The trojan is
packed with PEcompact.

Chat Text:
----------
Text options for 1st round:
"hi hello greetings salut sal hi_there ctc howdy ello:o) allo:) hey:)"

Text options for 2nd round:
"how_are_you? how_you_doin? how's_things? how's_life? doing_okay?"

Text options for 3rd round:
"17/f/texas 23/f/Walkersville 24-f-uk 26-f-Scotland 19/f/Ireland 
18/f/Boston 26/f/Florida"

Text options for 4th round:
"have_a_pic?_this_is_me.. swap_pix? do_you_have_a_pic? 
send_me_a_pic?_I'll_send_mine
I'll_send_my_pic._send_yours?"

Potential Nicks:
----------------
mary linda barbara maria susan dorothy lisa nancy karen betty helen sandra 
donna carol ruth
sharon laura sarah deborah jessica shirley cynthia angela melissa brenda 
ammy anna rebecca
pamela martha debra amanda carolyn marie janet frances anna joyce diane 
alice julie heather
teresa doris gloria evelyn jean cheryl mildred joan ashley judith rose 
janice kelly nicole
judy kathy theresa beverly denise tammy irene jane lori rachel marilyn 
andrea kathryn
louise sara anne wanda bonnie julia ruby lois tina phyllis norma paula 
diana annie lillian
emily robin peggy crystal gladys rita dawn connie tracy edna tiffany carmen 
rosa cindy grace
wendy edith kimmy sherry sylvia thelma shannon sheila ethel ellen elaine 
carrie monica esther
pauline emma juanita anita rhonda hazel amber evaa debbie april leslie 
clara lucille jamie joanne
eleanor valerie megan alicia suzanne michele gail bertha darlene jill erin 
lauren cathy joann
lynn sally regina erica dolores bernice audrey yvonne annette june marion 
dana stacy annna renee
aidia vivian roberta holly melanie loretta yolanda laurie katie kristen 
vanessa alma suey elsie
beth jeanne vicki carla tara eileen terri lucy tonya ella stacey wilma gina 
kristin jessie natalie
agnes vera bessie delores melinda pearl arlene maureen colleen allison 
tamara joye georgia
lillie claudia jackie marcia tanya nellie minnie marlene heidi glenda lydia 
viola marian stella
dora vickie mattie terry maxine irma mabel marsha myrtle lena christy 
deanna patsy hilda jennie
nora margie nina leah penny kaye naomi carole brandy olga dianne tracey 
leona jenny felicia sonia
miriam velma becky violet toni misty shelly daisy ramona sherri erika 
katrina claire lindsey
lindsay geneva belinda sheryl cora faye adai natasha sabrina isabel hattie 
harriet molly cecilia
kristi brandi blanche sandy rosie joanna iris eunice angie inez lynda 
amelia alberta monique
jodi janie maggie kayla sonya jani jeinine candace fannie maryann opal 
alison yvette melody
luzi susie flora shelley kristy mamie lula lola verna beulah candice juana 
pamm kelli hannah
whitney bridget karla celia latoya patty shelia drayle della vicky lynne 
sheri kara erma blanca myra
leticia pattra krista roxanne johnnie robyn francis rosalie brooke bethany 
sadie traci jody kendra
jasmine nichole rachael chelsea mable muriel elena krystal nadine kari 
estelle dianna lora mona
doreen angel desiree antonia hope ginger janis betsy freda lynette teri 
eula leigh meghan sophia
eloise cecelia raquel alyssa jana kelley gwen kerry jenna tricia laverne 
alexis tasha silvia
elvira casey delia sophie kate patti lorena kellie sonja lila lana darla 
mayei mindy essie
mandy lorene elsa jeannie miranda dixie lucia marta faith lela johanna 
shari camille tami
shawna elisa ebony melba orae nettie tabitha jaime kristie marina alisha 
aimee rena myrna
marla tammie latasha bonita patrice ronda sherrie addie deloris stacie 
adriana cheri shelby
abigail celeste jewel cara adele rebekah lucinda dorthy effie trina reba 
shawn sallie aurora
lenora etta lottie kerri trisha nikki estella josie tracie marissa karin 
janelle lourdes laurel
helene fern elva corinne kelsey bettie aida caitlin ingrid ivai eugenia 
christa cassie maude
jenifer therese dena lorna janette latonya candy morgan tamika rosetta 
debora cherie polly dina
jewell faye jillian nell trudy patrica shanna helena cleo rosario olay 
janine mollie lupe alisa
lousi maribel susanne bette susana elise cecile lesley jocelyn paige joni 
leola daphne alta ester
petra imogene jolene keisha lacey glenna keri ursula lizzie kirsten shana 
adeline mayra jayne jaclyn
gracie sondra carmela marisa charity tonia beatriz marisol clarice jeanine 
sheena frieda lily
shauna millie angelia autumn summer jodie staci leah christi jimmie justine 
elma luella margret
socorro rene martina margo mavis callie bobbi maritza lucile leanne deana 
aileen lorie ladonna manuela
gale selma dolly sybil abby lara dale ivye deee winnie marcy luisa jeri 
ofelia meagan audra matilda
leila bianca simone bettye randi virgie latisha barbra eliza leann rhoda 
haley adela nola flossie ilaa
greta ruthie nelda minerva lilly terrie letha hilary estela valarie brianna 
rosalyn earline avai
miai lidia corrine tiar sharron raye dona ericka jami elnora chandra lenore 
neva marylou melisa
tabatha serena avis allie sofia jeanie odessa nannie loraine emilia benita 
allyson ashlee tania
tommie karina evee pearlie zelma malinda noreen tameka saundra hillary amie 
althea jordan lilia
alana dray clare elinor lorrie jerri darcy taylor noemi marcie liza louisa 
earlene mallory carlene
nita selena tanisha katy

* Nick followed by one character from this list: 123456789^-_[]`\|

Target Channels:
----------------
worldchat constanta bucuresti cluj braila zurna oradea craiova cyprus 
macedonia ploiesti 0mega
italia istanbul severin montreal sibiu sexe leb buzau romuzica iasul 
karachi worldchat hellas
bookz cebu colentina moldova mures valcea france g-unit deva quebec mexico 
focsani chat-world
canada targoviste xboxworld maroc usa ateneo merida cadde alunis kopervik 
x-drag0n-x porsgrunn alba
zetnet italy zalau lebanon london pakistan hunedoara trois-rivieres 
limassol montral onesti
audiobookz rock chicoutimi kiruna petrosani chatparty tealeslakt vaslui 
rimouski mardelplata libanon
outaouais abitibi cybersex teens paris relevant qubec moon doyoulookgood 
broadbitch casa racla azs
huedin delusion trabzon trujillo izmir tulcea filipino spania brunete 
eminem- gay lebzone germany lock
blindheim caransebes detention allnitecafe familysex medias ankara brasil 
navodari zerocool
xbox-prime larnaca roscatu athina gaspesie slatina ust bosnia lasalle 
ulsteinvikoggursken
baiamare iloilo paphos digitalcity dordetara nbi pascani barlad sula 
telecharger aiud alexandria
grecia makati nibbe vitro baia roman arab klavye ostroveni radauti victo 
egypt c calarasi forde
spiru tikky uae clubred nemo irc-chatterz porno iligan lanitio shawi beirut 
loveplanet st-jerome
stavanger turda fuckerii galaxy koka-kola lesbi.ro metal-malta timishoara 
hideaway rock-in-hell
cash islamabad medgidia beauce atb germania killazz radiomixfm angola 
kylling tecuci tacna aglantzia
arvika baia-mare card ircfun salaj spjelkavik alma ayna campina 
cracks&serials pasaj apoel dinamo
gov mikmaq multan slobozia teen.no mangalia romanialibera hotkiss 
pinoymusik salsalan sauda denysa
geokanta house idle st-hyacinthe tops axisppl konflikt mazepa mochis msg 
nasa vagabonzi buzoieni
cqr dominicanos fagaras joliette mapua-makati morelianos russia tunisie 
dhivehi intersport portugal
faisalabad koiciu labaie lamania lebano meydan ploiestiu tufte kristinehamn 
lums pessamit sexe-ados
br0nx bursa elgi granby la^ingeri moldovanoua saguenay steaua terrebonne 
tg.mures amistad ibiza
liban manila satu-mare sinaia adjud adultchat beyrouth 
caut-proasta-ofer-asl chatleb cusco dualnet
enaerios gorda-punk hotice ovidius up xuc algerie bacolod grass holland 
karlstad kjlnes la_mare
radio-medias vibes antilameri chatcy dlsu greece hattrick hattrick-ro 
kickflip laval muresul
radio-toxic sempati sexforyou adultes bratts carachi cybermalta dragasani 
matane planetrox
skudenes slice trafic valleyfield bash bitola friendster loc.de.veci 
loftstory no-problem pe-spate
rockmania banden beach gaypakistani gujranwala java pitbull aksdal bebelusu 
bitanem bizarre
cagayandeoro cebusex darckdevil dolbeau ekte fetele-rele gentoo gladiatoren 
laspinas midnight-club
orstad political xlanders adoratii atenista barramansa bluebyte caterinca 
cyberdream fes gaysexefr
oldtimesirc oton simleu spain yeditepe bergmo campeche castellon 
colleges.ph cyberchat exclusive
halflife libnen longueuil meridas n omonoia sjit angelic dubai heye 
incomplete klepp liis lillesand
merichat satumare tg.jiu wild bi-married-men bifemsex deathtrap ednet 
fuerte gaynetmeeting gaysexe
infernais ircmasters juliaca lesedeu lic-decebal lissa love-channel 
lovesexfun machedonii maduritos
metal mondongo oldtimes agadir bekkevoll boys centrocoop chat_cy com 
housenation karadeniz morelia
repentigny sonora st-hubert ste-foy albaiulia ayuda craiova_maxima 
house-planet injuraturi londra lugoj
regie rosetti sighet siyah alger bizzar cbas civil-war digitalmafia ocnita 
phantom punct.shi.de.la.capat
roma satene terceira thug trance-force agigea australia ayva davao dorna 
dumaguete erosion gamers-cy
girne halla laredos les life`style lucianblaga my reykjavik sadeyes st-jean 
celebs-n-models csb
cynetworks debian extazyops fc-oradea iubaretzii japan lagerfeuer neptun 
puba rabat sexi street-fighter
bamble bergen blue-private colegium Data ford happy_hour lipeala michoacan 
nicosia pque safi setup skopje
tatar anna barcelona black&white c.d.m camera-ascunsa color_wave 
creative_minds cugir diboa lb macosx
mishu modifiye peshawar puno resort rom-ger schoolwarz sluts ssl taifas 
tambayan alabang brennevin
catastrophy devenii flor gorj hotzone lacul-tei original pagadian piatra 
tangub toofast trancemania
x-c ymme alcools balcescu better-dayz bundy c.i.a distrikt-hiphop 
fishmongers fun iloveyou mafioti
pashamas radioro remotes sanitar sava star valdery varhaug white-roses 
abyse americaonline asterix
dk-zone domain fanatik fani halfar kral on toronto usctc x_team yupi 
zambilica cmnorge crackers
dobrogea gaylebanon huaraz humor katafygio la.famille.rikardi.mafioso 
miamibeach orsova pinkdevils
shangrila skogmo smallville-high ssc sgne targu-mures tropical-funconstanta 
bucuresti cluj craiova
braila ploiesti zurna buzau italia sibiu cyprus iasul severin bios oradea 
ateneo maroc leb macedonia
montreal istanbul valcea karachi cebu france hellas mures worldchat 
colentina casa usa focsani filipino
roman alba onesti chatzone romania macedonia quebec chat-world chatparty 
irc-chatterz

Potential Bot Commands:
-----------------------
!final
!j
!p
!msg
!down

Suggested solutions:
--------------------
Server level: GLine all clients that join the control channel.
Channel level: Kban all clients that join if nick is in the list mentioned 
above.
User level: Do not chat with bots that respond with those strings and never 
accept 'scr' pictures.

Sample of captured packets from within control channel:
-------------------------------------------------------
PONG :eu.undernet.org
:ssjones!~eee@...emcable120.133-202-24.mc.videotron.ca PRIVMSG #chicoutimi 
:comme tjs
:StevenX!Usa@...MaTRiX.Is.The.Beginning.oF.The.End.Is.Beg.i-n-g.info NICK 
:N-e-o
:X!cservice@...ernet.org MODE #agadir +b *a]!*@*
:X!cservice@...ernet.org KICK #agadir tanya] :(DoGGyStyL) Infected Irc ! Out
:BOYYGARD!aaaa@...onto-HSE-ppp3755125.sympatico.ca PRIVMSG #chicoutimi : je 
vien 1 fois par mois
:LISE36!pas@...onto-HSE-ppp3759768.sympatico.ca JOIN :#chicoutimi
:poulette1!lololololo@...-177.cybernaute.com PRIVMSG #chicoutimi :salut ye 
tu des mecs qui veulent parler a 2 fille de 15 ans
:flurdoing!flur@....org JOIN :#xcnicxxcncx
:allo19!Jolyane@...emcable091.133-202-24.mc.videotron.ca JOIN :#chicoutimi
:BOYYGARD!aaaa@...onto-HSE-ppp3755125.sympatico.ca PRIVMSG #chicoutimi :et 
c est tojours platte
:maffo!~maffolini@...emcable138.164-203-24.mc.videotron.ca PRIVMSG 
#chicoutimi :ouais
:nicole2!~nicole@...162.127.77 QUIT :Ping timeout
:maffo!~maffolini@...emcable138.164-203-24.mc.videotron.ca PRIVMSG 
#chicoutimi :moi
:lorene6!~liza@...4-6-165-55.client.comcast.net JOIN :#x_team
:Tw0_L4Dy!~Jolie-17@...emcable245.156-201-24.mc.videotron.ca PRIVMSG 
#chicoutimi :y a tu des bo mec interesser a faire de quoi avec deux filles 
a soir
:Miss15!~DeathMeta@...emcable098.119-130-66.mc.videotron.ca PRIVMSG 
#chicoutimi : ACTION  5[ 4 5]  4D 5eath  4M 5usik:  4 4 Remember The 
Titans- War - Spill The Wine  4  5[ 4 5]  4D 5uration:  4 4 4m3s  4  5[ 4 
5] 4 D 5eath  4M 5etal 4 666  5[ 4 5]
:ssjones!~eee@...emcable120.133-202-24.mc.videotron.ca PRIVMSG #chicoutimi 
:ben sa change po pi sa changeras po
:AACleanN!~buggoff@...babe763.users.undernet.org MODE #cyberchat +l 51
:hussam!~rayanb007@...192.145.126 QUIT :Quit
:_destiny_!mar43H@...onto-HSE-ppp3756522.sympatico.ca QUIT :Quit
:leah7!~letha@...89-7-220.dtcom.ro QUIT :Read error: Connection reset by peer
:DarKSiDe`!~Foo@...192.36.105 QUIT :Quit
:eloise_!~katrina@....131.120.242 PART :#x_team
:eloise_!~katrina@....131.120.242 PART :#x_team
:ssjones!~eee@...emcable120.133-202-24.mc.videotron.ca PRIVMSG #chicoutimi 
:ben p.e
:heather7!~vicky@...162.127.77 JOIN :#xcnicxxcncx
:X!cservice@...ernet.org MODE #agadir +b *!~alicia@...op*
:X!cservice@...ernet.org KICK #agadir alicia^ :(DoGGyStyL) Infected Irc ! Out

Conclusion
----------
The identity of the asshats responsible is unknown, but it has been 
hypothesised that said asshats
might be from Quebec as a number of the affected channels are filled with 
french speakers with .ca
hostmasks. This is however unconfirmed at this point and the channels seem 
to have been chosen for
their high number of users (possibly also a high number of STUPID users). 
The control channel
averages about 300 bots at any given time, as of this time (4AM GMT Nov 23) 
none of the bot
controllers have entered the control channel.

The sophistication is low as usual, frankly if this is the best they can 
come up with, their time
might be better spent getting girlfriends than coding. Some key strings 
that may help reveal the
identity of those responsible include: Choke and Goldmember.

---
atrazine  // atrazine@....net
flurdoing // flur@...rnet.org




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