w32/bagle.r

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Manual de informática de w32/bagle.r

w32.beagle.r@mm , w32/bagle.r@mm
tipo: virus
tama?o: 25,600 bytes
origen: internet
destructivo: si en la calle (in the wild): si detección y eliminación: the hacker 5.6 al 18/03/2004
w32/bagle.r@mm es un virus polimorfico residente en memoria, se difunde a trav?s de envio masivos de e-mails y a trav?s de la red de intercambio de archivos p2p. busca direcciones de e-mail dentro de la carpeta c:\emails , en todos los archivos que tengan las siguientes extensiones .txt, .wab, .msg, .htm, .wsh, .xls, .xml, .dbx, .mdx, .eml, .nch, .mmf, .ods, .cfg, .asp, .php, .pl, .adb, .tbb, .sht , .stm, .uin, dhtm, .shtm, .oft, .mht, .jsp y .cgi .
w32/bagle.r, intenta enviar un email html utilizando su propio motor smtp, el e-mail no contiene archivo adjunto, este utiliza la vulnerabilidad descrita en el bolet?n microsoft security bulletin ms03-032 . el cual permite descargar y ejecutar autom?ticamente archivos desde sitios web remotos.
ignora direcciones de e-mail que esten conformadas por las siguientes cadenas de texto:
@avp. @foo @hotmail.com @iana @messagelab @microsoft @msn abuse admin anyone@ bsd bugs@ cafee certific contract@ f-secur feste free-av gold-certs@ google help@ icrosoft info@ kasp linux listserv local nobody@ noone@ noreply ntivi panda pgp postmaster@ rating@ root@ samples sopho spam support unix winrar winzip caracteristicas del mensaje de e-mail:
de: [alguno de los siguientes]
management@<domin io del destinatario> administration@<domin io del destinatario> staff@<domin io del destinatario> antivirus@<domin io del destinatario> antispam@<domin io del destinatario> noreply@<domin io del destinatario> support@<domin io del destinatario> asunto: [ alguno de los siguientes]
account notify e-mail account disabling warning. e-mail account security warning. e-mail technical support message. e-mail technical support warning. e-mail warning email account utilization warning. email report encrypted document fax message received forum notify hidden message important notify important notify about your e-mail account. incoming message notify about using the e-mail account. notify about your e-mail account utilization. notify from e-mail technical support. protected message re: protected message re: text message re: document re: hello re: hi re: incoming fax re: incoming message re: msg reply re: thank you! re: thanks :) re: yahoo! request response site changes warning about your e-mail account cuerpo: [esta compuesto por 6 partes, que pueden ser alguno de los siguientes:]
parte 1:
dear user of [dominio del remitente], dear user of [dominio del remitente] mailing server, dear user of [dominio del remitente] mailing domain, dear user of [dominio del remitente] gateway e-mail server gateway, dear user of e-mail server [dominio del remitente], hello user of [dominio del remitente] e-mail server, dear user of [dominio del remitente] mailing system, dear user, the management of [dominio del remitente] mailing system wants to let you know that, parte 2:
your e-mail account has been temporary disabled because of unauthorized access.
-----------
our main mailing server will be temporary unavaible for next two days,
to continue receiving mail in these days you have to configure our free
auto-forwarding service.
-----------
your e-mail account will be disabled because of improper using in next
three days, if you are still wishing to use it, please, resign your
account information.
-----------
we warn you about some attacks on your e-mail account. your computer may
contain viruses, in order to keep your computer and e-mail account safe,
please, follow the instructions.
-----------
our antivirus software has detected a large ammount of viruses outgoing
from your email account, you may use our free anti-virus tool to clean up
your computer software.
----------
some of our clients complained about the spam (negative e-mail content)
outgoing from your e-mail account. probably, you have been infected by
a proxy-relay trojan server. in order to keep your computer safe,
follow the instructions.
---------
parte 3:
for more information see the attached file. further details can be obtained from attached file. advanced details can be found in attached file. for details see the attach. for details see the attached file. for further details see the attach. please, read the attach for further details. pay attention on attached file. your file is attached. more info in attach see attach. follow the wabbit. find the white rabbit. please, have a look at the attached file. see the attached file for details. message is in attach here is the file. read the attach. parte 4:
the <dominio> team http://www.<dominio> parte 5:
the management, sincerely, best wishes, have a good day, cheers, kind regards, yours, seguido del c?digo html que no es visible, este descarga y ejecuta autom?ticamente el archivo del virus, utiliza la vulnerabilidad descrita en el bolet?n microsoft security bulletin ms03-032 , el c?digo intenta descargar al virus desde los siguientes dominios:
24.144.27.24 82.166.167.26 68.1.129.228 203.219.71.118 80.232.135.3 213.61.149.46 212.179.123.227 211.41.226.61 68.70.159.61 62.215.83.153 68.233.220.107 218.239.156.233 163.25.105.29 218.190.180.211 68.47.231.161 129.81.239.139 211.235.15.144 68.118.129.55 24.64.84.125 68.71.178.246 67.85.50.79 69.110.157.161 24.64.159.239 200.90.107.104 69.6.166.59 66.75.37.186 69.145.209.32 67.168.218.238 24.55.225.61 66.131.140.145 24.141.73.22 24.209.101.61 138.87.144.111 217.132.15.130 65.28.19.47 4.11.105.135 65.33.202.194 68.229.167.54 199.89.229.122 68.34.220.187 35.11.176.84 24.136.216.177 212.186.190.35 68.96.223.162 66.189.243.51 68.110.193.49 68.192.91.148 217.132.67.18 66.42.182.72 24.197.136.125 68.82.50.111 68.37.169.47 24.211.189.223 138.87.210.7 69.136.225.26 12.217.207.113 68.112.157.153 68.35.224.139 24.199.114.218 82.67.116.34 200.104.53.10 198.68.133.112 68.115.187.234 67.21.120.2 203.240.148.136 24.6.210.51 217.132.96.143 82.166.89.229 67.167.220.130 68.67.237.226 69.162.48.40 80.218.158.253 203.242.178.110 4.8.40.57 24.158.137.74 68.36.232.127 24.2.83.15 67.173.189.14 68.39.46.56 218.76.5.84 24.229.92.78 80.230.249.213 66.244.94.156 68.111.142.202 24.116.169.77 63.203.156.220 82.140.134.77 211.232.21.22 219.15.112.80 68.68.62.207 12.216.112.116 68.232.246.172 69.164.155.152 68.53.48.42 80.179.65.245 12.221.192.229 68.237.200.40 67.165.246.134 210.183.30.212 66.188.128.55 165.134.30.63 203.144.159.170 61.97.114.91 68.115.30.218 213.245.10.105 61.97.116.142 24.158.12.215 211.242.155.146 211.238.255.228 68.1.50.140 82.36.67.41 61.97.116.199 211.61.219.190 211.173.187.106 81.198.131.233 65.165.186.160 12.222.216.56 24.200.102.240 24.57.46.14 65.29.98.241 68.187.130.183 69.1.37.189 68.35.121.2 209.121.80.213 211.183.53.227 24.10.136.202 68.190.187.201 4.13.73.34 61.105.239.10 129.81.227.184 212.199.219.202 210.118.250.163 66.214.189.27 219.251.73.78 68.170.181.167 172.196.216.67 61.59.189.62 130.160.206.10 211.110.113.191 218.50.182.87 203.231.71.197 203.45.29.117 61.33.200.42 218.154.213.158 65.167.185.90 211.232.110.5 140.112.241.234 209.34.41.11 68.3.254.32 172.203.155.47 211.232.133.37 24.37.5.17 61.99.86.117 211.232.62.42 66.186.231.62 4.34.197.197 24.68.56.236 211.238.34.233 61.102.189.120 202.173.152.26 68.186.66.7 172.197.45.246 61.250.126.203 129.107.101.93 200.141.160.239 66.171.141.72 210.6.227.251 129.81.75.32 203.253.16.44 166.104.223.58 203.249.87.7 24.126.155.29 61.106.201.149 203.88.49.225 4.46.64.9 203.234.156.71 161.45.234.125 218.237.249.200 211.118.218.66 12.215.146.21 211.108.217.117 216.194.46.105 4.5.128.188 68.98.227.165 200.101.91.212 24.50.137.152 24.82.133.226 211.187.219.40 147.46.120.105 163.180.61.70 140.113.138.95 24.77.134.52 68.117.38.11 211.239.146.171 61.40.158.237 61.33.146.212 140.112.251.34 61.93.167.227 140.112.251.51 210.6.164.134 200.198.90.156 61.37.174.199 61.40.0.235 4.12.7.76 61.37.174.163 200.97.29.200 66.131.25.57 66.214.195.108 66.233.213.161 24.140.15.74 68.97.142.228 211.238.196.72 24.239.210.203 168.115.122.139 210.98.252.110 61.33.146.213 65.73.134.209 211.181.1.68 218.144.174.55 68.7.10.127 68.204.159.112 24.108.86.144 68.144.233.139 211.172.200.60 66.76.163.129 24.80.196.225 24.65.16.117 24.141.7.244 211.212.208.181 172.143.140.211 69.75.9.43 12.222.118.236 4.46.131.126 68.112.237.76 68.111.111.21 24.64.92.129 24.108.56.176 143.248.22.233 211.53.97.155 68.97.129.68 68.112.41.132 61.34.187.178 211.119.23.91 212.179.117.105 80.236.115.113 69.60.233.135 24.221.14.188 68.117.95.121 4.65.60.210 68.185.188.71 66.75.24.158 137.165.219.59 68.226.115.34 24.50.29.51 80.179.68.229 161.45.199.50 221.153.61.232 4.42.98.96 68.59.154.1 69.111.16.229 24.82.50.69 4.60.187.66 68.186.232.171 66.183.208.158 66.191.112.44 63.205.32.83 67.22.58.130 209.184.177.157 24.20.149.122 24.84.218.164 24.99.22.178 24.217.143.14 83.130.228.36 4.10.74.131 24.151.169.217 205.251.211.14 68.8.235.18 24.44.197.9 4.65.54.16 80.179.200.104 24.205.69.15 68.146.118.63 24.27.133.249 66.233.95.30 24.7.147.3 66.190.248.234 68.125.87.202 24.108.5.170 4.40.36.41 24.78.149.10 24.77.72.167 4.5.57.133 68.4.141.91 24.224.236.131 68.114.210.200 68.107.106.192 68.117.22.95 68.2.62.45 81.56.53.160 24.108.132.127 65.100.122.132 65.167.185.189 4.63.180.225 24.100.74.92 68.95.8.238 68.224.59.153 68.147.143.109 161.45.171.210 24.108.129.22 68.86.78.110 4.43.153.130 24.214.104.3 68.117.154.162 171.64.213.173 161.45.234.98 68.191.167.13 65.94.151.100 67.38.163.3 68.226.111. 24.126.173.31 200.106.79.77 66.188.120.91 24.6.197.40 24.159.124.119 67.170.75.107 69.91.20.103 161.45.198.133 161.45.244.66 24.18.242.25 68.107.23.153 24.145.164.9 68.108.87.23 208.180.134.153 68.227.186.212 169.233.42.189 69.14.104.57 4.8.164.62 161.45.250.216 68.69.36.178 24.43.61.0 24.65.11.109 161.45.198.45 24.79.172.120 67.171.157.22 24.208.68.178 208.180.218.171 24.240.149.119 66.76.232.136 24.127.40.168 4.61.145.14 66.233.165.201 68.235.202.221 24.49.135.147 68.7.236.131 68.226.106.73 68.3.44.3 67.21.121.138 12.222.81.119 12.219.25.124 69.22.120.32 67.166.112.180 24.6.169.94 67.121.104.43 24.6.249.209 169.230.73.208 68.233.252.115 68.191.112.60 169.233.34.17 161.45.250.223 68.97.173.250 69.145.5.96 68.108.244.137 68.68.89.75 66.205.114.167 24.67.188.215 67.160.195.8 69.10.112.107 80.179.219.132 68.170.17.36 65.50.143.163 66.27.228.114 68.108.221.107 68.146.243.2 68.107.160.181 68.113.116.229 66.237.50.87 68.231.195.220 67.127.159.47 12.216.240.162 66.75.59.118 24.5.193.106 24.164.64.122 24.198.88.152 67.168.68.197 68.252.32.138 24.19.162.244 68.190.193.38 204.210.188.229 24.206.67.189 24.175.69.29 66.229.45.187 65.38.16.127 69.144.149.52 67.171.230.94 67.124.198.68 4.65.12.31 4.8.204.152 12.220.67.12 24.231.202.33 161.45.251.88 24.13.59.97 67.170.102.147 69.148.181.109 138.87.209.62 24.7.189.204 67.166.116.241 68.108.86.222 68.104.209.10 67.160.147.136 67.160.147.136 66.190.21.77 67.164.60.106 69.73.3.176 68.68.234.206 12.221.150.192 24.192.223.75 67.170.234.126 24.175.229.21 68.12.247.212 68.1.230.192 211.28.70.2 66.214.142.6 68.110.233.209 68.192.84.91 200.95.37.195 69.81.7.189 68.107.117.224 68.108.71.199 66.233.191.250 24.4.232.3 24.16.92.57 12.222.223.242 69.166.213.52 66.74.198.156 68.112.95.217 4.5.70.191 68.4.132.83 24.7.172.139 12.202.237.159 68.105.33.166 24.108.113.7 69.70.69.182 68.99.249.177 68.11.231.35 24.176.237.71 4.8.132.136 68.111.227.235 134.50.87.32 68.168.94.149 4.62.78.87 68.105.85. 24.112.235.36 68.2.42.253 200.104.204.116 68.227.241.174 155.230.106.164 66.233.155.49 24.8.177.96 4.8.227.139 68.71.49.106 4.12.35.57 67.160.198.206 68.6.144.228 198.248.37.116 67.169.96.37 69.139.77.172 68.117.173.26 66.76.164.90 24.31.122.240 24.81.159.145 134.193.180.26 24.17.34.241 68.74.0.199 24.78.164.182 24.27.129.115 24.241.201.198 68.166.243.84 66.169.239.220 161.45.215.114 68.109.59.152 68.6.147.151 24.171.136.45 68.184.176.94 24.143.7.15 24.36.28.176 65.68.100.34 68.66.185.120 66.188.89.69 66.169.229.186 65.37.55.128 68.108.38.85 24.77.64.27 66.75.155.232 24.205.176.236 68.54.230.26 24.116.90.197 66.112.231.113 67.23.100.10 24.231.156.251 4.47.121.110 68.225.201.103 68.68.11.214 69.162.96.67 24.4.224.28 68.104.56.100 24.30.126.179 24.78.141.182 68.35.103.160 24.222.206.245 24.1.58.14 68.12.121.62 67.162.155.185 67.171.232.77 68.115.29.29 68.93.142.163 68.13.251.234 24.118.56.142 68.226.177.26 68.112.62.74 24.175.21.96 24.220.189.61 24.5.4.197 24.13.109.43 68.109.112.215 172.200.104.47 68.2.146.130 67.169.13.236 24.247.174.252 24.3.166.162 24.54.12.106 68.11.20.245 66.75.17.32 165.134.187.102 68.98.112.181 68.216.86.218 66.26.169.4 68.185.197.137 24.128.95.254 68.230.122.66 69.144.12.133 24.222.194.255 67.169.173.204 66.76.170.157 24.18.95.76 66.69.123.222 68.44.88.77 172.197.69.221 68.70.223.96 24.13.183.226 68.101.79.59 68.2.152.187 68.57.198.31 66.176.82.39 12.221.80.25 68.226.239.60 81.202.79.224 24.53.19.250 68.7.81.58 24.161.209.227 69.167.108.94 24.196.122.147 165.134.174.100 24.243.229.252 24.28.137.137 24.170.46.177 66.233.129.107 24.167.26.11 66.169.99.119 65.71.33.251 24.169.251.65 165.134.175.146 68.99.215.211 65.69.84.202 200.207.166.42 68.228.251.128 68.111.114.197 66.76.93.246 24.214.134.51 65.33.90.68 64.160.201.183 66.189.203 cuando el gusano se ejecuta se copia a si mismo como:
system \direct.exe
system \direct.exeopen
nota:
- system representa la carpeta system dentro de windows (ej. c:\windows\system, c:\winnt\system32 )
adem?s modifica una entrada en el registro para poder ejecutarse en cada reinicio del sistema:
hkey_current_user\software\microsoft\windows\currentversion\run
direct.exe= system \direct.exe
tambi?n crea la siguiente entrada:
hkey_current_user\software\windirects
luego elimina los siguientes valores:
9xhtprotect antivirus htprotect icq net icqnet my av netdy special firewall service tiny av zone labs client ex service de las siguientes entradas:
hkey_local_machine\software\microsoft\windows\currentversion\run
hkey_current_user\software\microsoft\windows\currentversion\run
adem?s el gusano abre el puerto tcp 2556 en el computador atacado y queda a la espera de ordenes remotas del atacante.
seguidamente el gusano intentar? finalizar todos los procesos activos de antivirus y firewalls que encuentre en el computador atacado:
agentsvr.exe anti-trojan.exe antivirus.exe ants.exe apimonitor.exe aplica32.exe apvxdwin.exe atcon.exe atguard.exe atro55en.exe atupdater.exe atwatch.exe aupdate.exe autodown.exe autotrace.exe autoupdate.exe avconsol.exe avgserv9.exe avltmain.exe avpupd.exe avsynmgr.exe avwupd32.exe avxquar.exe avprotect9x.exe au.exe bd_professional.exe bidef.exe bidserver.exe bipcp.exe bipcpevalsetup.exe bisp.exe blackd.exe blackice.exe bootwarn.exe borg2.exe bs120.exe cdp.exe cfgwiz.exe cfiadmin.exe cfiaudit.exe cfinet.exe cfinet32.exe clean.exe cleaner.exe cleaner3.exe cleanpc.exe cmgrdian.exe cmon016.exe cpd.exe cpf9x206.exe cpfnt206.exe cv.exe cwnb181.exe cwntdwmo.exe d3dupdate.exe defwatch.exe deputy.exe dpf.exe dpfsetup.exe drwatson.exe drwebupw.exe ent.exe escanh95.exe escanhnt.exe escanv95.exe exantivirus-cnet.exe fast.exe firewall.exe flowprotector.exe fp-win_trial.exe frw.exe fsav.exe fsav530stbyb.exe fsav530wtbyb.exe fsav95.exe gbmenu.exe gbpoll.exe guard.exe hacktracersetup.exe htlog.exe hwpe.exe iamapp.exe iamserv.exe icload95.exe icloadnt.exe icmon.exe icssuppnt.exe icsupp95.exe icsuppnt.exe ifw2000.exe iparmor.exe iris.exe jammer.exe kavlite40eng.exe kavpers40eng.exe kerio-pf-213-en-win.exe kerio-wrl-421-en-win.exe kerio-wrp-421-en-win.exe killprocesssetup161.exe ldpro.exe localnet.exe lockdown.exe lockdown2000.exe lsetup.exe luall.exe lucomserver.exe luinit.exe mcagent.exe mcupdate.exe mfw2en.exe mfweng3.02d30.exe mgui.exe minilog.exe moolive.exe mrflux.exe msconfig.exe msinfo32.exe mssmmc32.exe mu0311ad.exe nav80try.exe navapw32.exe navdx.exe navstub.exe navw32.exe nc2000.exe ncinst4.exe ndd32.exe neomonitor.exe netarmor.exe netinfo.exe netmon.exe netscanpro.exe netspyhunter-1.2.exe netstat.exe nisserv.exe nisum.exe nmain.exe norton_internet_secu_3.0_407.exe npf40_tw_98_nt_me_2k.exe npfmessenger.exe nprotect.exe nsched32.exe ntvdm.exe nupgrade.exe nvarch16.exe nwinst4.exe nwtool16.exe ostronet.exe outpost.exe outpostinstall.exe outpostproinstall.exe padmin.exe panixk.exe pavproxy.exe pcc2002s902.exe pcc2k_76_1436.exe pcciomon.exe pcdsetup.exe pcfwallicon.exe pcip10117_0.exe pdsetup.exe periscope.exe persfw.exe pf2.exe pfwadmin.exe pingscan.exe platin.exe poproxy.exe popscan.exe portdetective.exe ppinupdt.exe pptbc.exe ppvstop.exe procexplorerv1.0.exe proport.exe protectx.exe pspf.exe purge.exe pview95.exe qconsole.exe qserver.exe rav8win32eng.exe regedit.exe regedt32.exe rescue.exe rescue32.exe rrguard.exe rshell.exe rtvscn95.exe rulaunch.exe safeweb.exe sbserv.exe sd.exe setupvameeval.exe setup_flowprotector_us.exe sfc.exe sgssfw32.exe sh.exe shellspyinstall.exe shn.exe smc.exe sofi.exe spf.exe sphinx.exe spyxx.exe ss3edit.exe st2.exe supftrl.exe supporter5.exe symproxysvc.exe sysedit.exe taskmon.exe taumon.exe tauscan.exe tc.exe tca.exe tcm.exe tds-3.exe tds2-98.exe tds2-nt.exe tfak5.exe tgbob.exe titanin.exe titaninxp.exe tracert.exe trjscan.exe trjsetup.exe trojantrap3.exe undoboot.exe update.exe vbcmserv.exe vbcons.exe vbust.exe vbwin9x.exe vbwinntw.exe vcsetup.exe vfsetup.exe virusmdpersonalfirewall.exe vnlan300.exe vnpc3000.exe vpc42.exe vpfw30s.exe vptray.exe vscenu6.02d30.exe vsecomr.exe vshwin32.exe vsisetup.exe vsmain.exe vsmon.exe vsstat.exe vswin9xe.exe vswinntse.exe vswinperse.exe w32dsm89.exe w9x.exe watchdog.exe webscanx.exe wgfe95.exe whoswatchingme.exe winrecon.exe wnt.exe wradmin.exe wrctrl.exe wsbgate.exe wyvernworksfirewall.exe xpf202en.exe zapro.exe zapsetup3001.exe zatutor.exe zauinst.exe zonalm2601.exe zonealarm.exe finalmente el gusano se copia a si mismo en carpetas con nombres shar del disco duro de la pc infectada y en las unidades de red (por lo general estos nombres de carpetas son usados por programas p2p como el kazaa, imesh, etc.). se copia con los siguientes nombres:
acdsee 9.exe adobe photoshop 9 full.exe ahead nero 7.exe matrix 3 revolution english subtitles.exe microsoft office 2003 crack, working!.exe microsoft office xp working crack, keygen.exe microsoft windows xp, winxp crack, working keygen.exe opera 8 new!.exe porno pics arhive, xxx.exe porno screensaver.scr porno, sex, oral, anal cool, awesome!!.exe serials.txt.exe winamp 5 pro keygen crack update.exe winamp 6 new!.exe windown longhorn beta leak.exe windows sourcecode update.doc.exe xxx hardcore images.exe finalmente busca dentro de la carpeta c:\emails archivos que tengan la extensi?n .exe para infectarlos


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