PCの修理が必要ですか?
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????Worm/Mytob.MC.1
????17/03/2006
??????
????????
?????
?????????
????????????
?????????????
????????108.032 ???
MD5???????b9beb39484e6742f8d2a1825429e2ca4
VDF???????6.34.00.64

 ???? ????
   • E???
   • ???????????


??
   •  Kaspersky: Backdoor.Win32.SdBot.xd
   •  TrendMicro: WORM_MYTOB.NF
   •  Sophos: W32/Dolebot-A
   •  Bitdefender: Backdoor.SDBot.AHV

????????????????:
     Worm/SdBot.108032


????????/OS?
   • Windows 95
   • Windows 98
   • Windows 98 SE
   • Windows NT
   • Windows ME
   • Windows 2000
   • Windows XP
   • Windows 2003


???
   • ?????????????
   • ????????????????????
   • ????????????????
   • ?????????
   • ??????????????
   • ???????????????

 ???? ??????????????????
   • %WINDIR%\skype32.exe



???????????????????



???????????????

%SYSDIR%\rofl.sys ?????????????? BDS/Aimbot.AF.5

 ????? ??????????????????????????????????????????

HKLM\SYSTEM\CurrentControlSet\Services\Skype
   • "Type"=dword:00000110
   • "Start"=dword:00000002
   • "ErrorControl"=dword:00000000
   • "ImagePath"=%WINDIR%\skype32.exe
   • "DisplayName"="Skype Messenger"
   • "ObjectName"="LocalSystem"
   • "FailureActions"=%hex?%
   • "Description"="Skype Messenger Service"



???????????????????

HKLM\SYSTEM\CurrentControlSet\Control
   • "WaitToKillServiceTimeout"="7000"



???????????????????

HKLM\SOFTWARE\Microsoft\Security Center
   ???
   • "AntiVirusDisableNotify"=%?????%
   • "FirewallDisableNotify"=%?????%
   • "UpdatesDisableNotify"=%?????%
   • "AntiVirusOverride"=%?????%
   • "FirewallOverride"=%?????%
   ????
   • "AntiVirusDisableNotify"=dword:00000001
   • "FirewallDisableNotify"=dword:00000001
   • "UpdatesDisableNotify"=dword:00000001
   • "AntiVirusOverride"=dword:00000001
   • "FirewallOverride"=dword:00000001

?????? ????????????????????:
HKLM\SOFTWARE\Policies\Microsoft\WindowsFirewall\DomainProfile
   ???
   • "EnableFirewall"=%?????%
   ????
   • "EnableFirewall"=dword:00000000

?????? ????????????????????:
HKLM\SOFTWARE\Policies\Microsoft\WindowsFirewall\StandardProfile
   ???
   • "EnableFirewall"=%?????%
   ????
   • "EnableFirewall"=dword:00000000

HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowsUpdate\
   Auto Update
   ???
   • "AUOptions"=%?????%
   ????
   • "AUOptions"=dword:00000001

HKLM\SYSTEM\CurrentControlSet\Control\Lsa
   ???
   • "restrictanonymous"=%?????%
   ????
   • "restrictanonymous"=dword:00000001

HKLM\SYSTEM\CurrentControlSet\Services\lanmanserver\parameters
   ???
   • "AutoShareWks"=%?????%
   • "AutoShareServer"=%?????%
   ????
   • "AutoShareWks"=dword:00000000
   • "AutoShareServer"=dword:00000000

HKLM\SYSTEM\CurrentControlSet\Services\lanmanworkstation\parameters
   ???
   • "AutoShareWks"=%?????%
   • "AutoShareServer"=%?????%
   ????
   • "AutoShareWks"=dword:00000000
   • "AutoShareServer"=dword:00000000

HKLM\SOFTWARE\Policies\Microsoft\Windows\WindowsUpdate
   ???
   • "DoNotAllowXPSP2"=%?????%
   ????
   • "DoNotAllowXPSP2"=dword:00000001

HKLM\SOFTWARE\Microsoft\Ole
   ???
   • "EnableDCOM"=%?????%
   ????
   • "EnableDCOM"="N"

 E??? ???????????SMTP??????????????????????????????????????????????


???
?????????????????(spoof)?
???????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????


??:
– ??????????????????????
 ????????????(WAB)????????????????
– ?????????


??
??????
   • Notice of account limitation
   • Email Account Suspension
   • Security measures
   • Members Support
   • Important Notification
   • Warning Message: Your services near to be closed.
   • Your Account is Suspended For Security Reasons
   • *DETECTED* Online User Violation
   • Your Account is Suspended
   • Your new account password is approved
   • You have successfully updated your password
   • Your password has been successfully updated
   • Your password has been updated

?????????????????????????


??
???????????????????

   • Dear %??????????????????????% Member,
     We have temporarily suspended your email account %???????????%
     This might be due to either of the following reasons:
     1. A recent change in your personal information (i.e. change of address).
     2. Submiting invalid information during the initial sign up process.
     3. An innability to accurately verify your selected option of subscription due to an internal error within our processors.
     See the details to reactivate your %??????????????????????% account.
     Sincerely,The %??????????????????????% Support Team
     
     +++ Attachment: No Virus (Clean)
     +++ %??????????????????????% Antivirus - www.%??????????????????????%

   • Dear user %?????????????????????% ,
     You have successfully updated the password of your %??????????????????????% account.
     If you did not authorize this change or if you need assistance with your account, please contact %??????????????????????% customer service at: %???????????%
     Thank you for using%??????????????????????%!
     The %??????????????????????% Support Team
     
     +++ Attachment: No Virus (Clean)
     +++ %??????????????????????% Antivirus - www.%??????????????????????%

   • Dear%??????????????????????% Member,
     Your e-mail account was used to send a huge amount of unsolicited spam messages during the recent week. If you could please take 5-10 minutes out of your online experience and confirm the attached document so you will not run into any future problems with the online service.
     
     If you choose to ignore our request, you leave us no choice but to cancel your membership.
     Virtually yours,
     The %??????????????????????% Support Team
     
     +++ Attachment: No Virus found
     +++%??????????????????????% Antivirus - www.%??????????????????????%

   • Dear user %?????????????????????% ,
     It has come to our attention that your %??????????????????????% User Profile ( x ) records are out of date. For further details see the attached document.
     Thank you for using %??????????????????????% !
     The %??????????????????????% Support Team
     
     +++ Attachment: No Virus (Clean)
     +++ %??????????????????????% Antivirus - www.%??????????????????????%


??????
???????????
   • accepted-password.zip
   • account-details.zip
   • account-info.zip
   • account-password.zip
   • account-report.zip
   • approved-password.zip
   • document.zip
   • email-details.zip
   • email-password.zip
   • important-details.zip
   • new-password.zip
   • password.zip
   • readme.zip
   • updated-password.zip
   • %????????%.zip

?????????????????????????????



???????????????


 ?? ????????
???????????????????????
   • adb; asp; cfg; cgi; dbx; htm; html; jsp; mdb; msg; php; sht; tbb; txt;
      vbe; vbs; xml


FROM???????????
????????????????????????
   • webmaster
   • register
   • info
   • admin
   • service
   • mail
   • administrator
   • support



TO???????????
????????????????????????
   • adam; alex; andrew; anna; bill; bob; brenda; brent; brian; claudia;
      dan; dave; david; debby; frank; fred; george; helen; jack; james;
      jane; jerry; jim; jimmy; joe; john; jose; josh; julie; kevin; leo;
      linda; maria; mary; matt; michael; mike; paul; peter; ray; robert;
      sales; sam; sandra; serg; smith; stan; steve; ted; tom



???????????
??????????????????????????
   • .edu; .gov; .mil; abuse; accoun; acketst; admin; ahn; antivi; anyone;
      arin.; avp; be_loyal:; berkeley; borlan; bsd; bugs; certific; contact;
      duba; example; fbi; fcnz; feste; fido; foo.; f-pro; freeav; f-secur;
      fsf.; gnu; gold-certs; google; gov.; help; hotmail; iana; ibm.com;
      icrosof; icrosoft; ietf; info; inpris; isc.o; isi.e; jiangmin;
      kaspersky; kernel; linux; listserv; master; math; mcafee; messagelabs;
      mit.e; mozilla; msn.; mydomai; nobody; nodomai; noone; norman; norton;
      not; nothing; ntivi; page; panda; pgp; postmaster; privacy; rating;
      rfc-ed; ripe.; rising; root; ruslis; samples; sdbot; secur; sendmail;
      service; site; slashdot; soft; somebody; someone; sopho; sourceforge;
      spm; submit; support; syma; symantec; tanford.e; the.bat; unix;
      usenet; utgers.ed; viruslis; webmaster; www; you; your


MX???????????
???????IP???????????????????????????????
   • mx.
   • mail.
   • smtp.
   • mx1.
   • mxs.
   • mail1.
   • relay.
   • ns.
   • gate.

 ???????? ???????????????????????????????????????????


???????(Exploit)
??????????(Exploit)???????
– MS03-026 (RPC ????????????? ??????????????????)
– MS04-007 (ASN .1 ?????????????????)
– MS04-011 (LSASS????)
– MS05-039 (???????????????)

 IRC ?????????????????????????????????IRC??????????

??? tx.ha**********
???? 43287
????? #dfnctsc
?????? [P00|USA|%5??????????%]



 ???????????????????????????
    • ?????????????
    • ???????????????


 ????????????????????????
    • ???????????
    • ??????
    • ???????????
     ??????????????
    • ??????????????
     ?????????
    • ??????????
    • ?????????
     ???????????????

 ??????  ????????????????
   • Security Center
   • Telnet
   • Remote Registry
   • Messenger

 ????? ??????????
??????
   • http://test.anonproxies.com/cgi-bin/**********
   • http://www21.big.or.jp/~mana_/**********
   • http://www.motor21.net/**********
   • http://www.xyerror.x-y.net/**********
   • http://www21.tok2.com/home/sophia/cgi-bin/**********


 ?????????????(Rootkit Technology) ???????????????????????????????????????????????????????????????????????????????


???????????
– ?????????

 ??????? ??????????
??????????????????????????????????????????????????

説明の挿入者 Irina Boldea の 2006年3月13日月曜日
説明の更新者 Irina Boldea の 2006年3月20日月曜日

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