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????BDS/Codbot.AE.1
????13/12/2012
?????????????
????????
?????
???????
????????????
?????????????
????????49.152 ???
MD5???????15870257aa24dac575191161c4d52781
VDF???????7.11.53.216

 ???? ????
   • ???????????


??
   •  Symantec: W32.Toxbot
   •  McAfee: W32/Sdbot.worm.gen.w
   •  Kaspersky: Backdoor.Win32.Codbot.ae
   •  TrendMicro: WORM_SDBOT.BJA
   •  VirusBuster: Worm.Codbot.S


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


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

 ???? ??????????????????
   • %SYSDIR%\netddeclnt.exe



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



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

– ?????????????????????????????????????
   • %TEMPDIR%\del.bat

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

HKLM\SYSTEM\CurrentControlSet\Services\NetDDEclnt]
   • "Type"=dword:00000110
   • "Start"=dword:00000002
   • "ErrorControl"=dword:00000000
   • "ImagePath"="%?????????????????%\\%??????%"
   • "DisplayName"="Network DDE Client"
   • "ObjectName"="LocalSystem"
   • "FailureActions"=hex:05,00,00,00,00,00,00,00,00,00,00,00,01,00,00,00,42,00,42,\
   • 00,01,00,00,00,01,00,00,00
   • "Description"="Provides network transport and security for Dynamic Data Exchange (DDE) for programs running on the same computer or on different computers."

HKLM\SYSTEM\CurrentControlSet\Services\NetDDEclnt\Enum]
   • "0"="Root\\LEGACY_NETDDECLNT\\0000"
   • "Count"=dword:00000001
   • "NextInstance"=dword:00000001
   • "INITSTARTFAILED"=dword:00000001

[HKLM\SYSTEM\CurrentControlSet\Services\NetDDEclnt\Security]
   • "Security"=hex:01,00,14,80,90,00,00,00,9c,00,00,00,14,00,00,00,30,00,00,00,02,\
      00,1c,00,01,00,00,00,02,80,14,00,ff,01,0f,00,01,01,00,00,00,00,00,01,00,00,\
      00,00,02,00,60,00,04,00,00,00,00,00,14,00,fd,01,02,00,01,01,00,00,00,00,00,\
      05,12,00,00,00,00,00,18,00,ff,01,0f,00,01,02,00,00,00,00,00,05,20,00,00,00,\
      20,02,00,00,00,00,14,00,8d,01,02,00,01,01,00,00,00,00,00,05,0b,00,00,00,00,\
      00,18,00,fd,01,02,00,01,02,00,00,00,00,00,05,20,00,00,00,23,02,00,00,01,01,\
      00,00,00,00,00,05,12,00,00,00,01,01,00,00,00,00,00,05,12,00,00,00



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

[HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot\Minimal\NetDDEclnt]
   • @="Service"

[HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot\Network\NetDDEclnt]
   • @="Service

[HKLM\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_NETDDECLNT\0000]
   • "Service"="NetDDEclnt"
   • "Legacy"=dword:00000001
   • "ConfigFlags"=dword:00000000
   • "Class"="LegacyDriver"
   • "ClassGUID"="{8ECC055D-047F-11D1-A537-0000F8753ED1}"
   • "DeviceDesc"="Network DDE Client"

[HKLM\SYSTEM\CurrentControlSet\Enum\Root\LEGACY_NETDDECLNT\0000\
   Control]
   • "*NewlyCreated*"=dword:00000000
   • "ActiveService"="NetDDEclnt"

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


???????(Exploit)
??????????(Exploit)???????
– MS02-061 (SQL Server Web ???????????)
– MS03-007 (Windows ??????????????????????Web ??????????)
– MS03-026 (RPC ????????????? ??????????????????)
– MS04-011 (LSASS????)


??????
????????????????????????????????????FTP????????????


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

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

??? %??%
????? #exploit

??? %??%
????? #raw



 ???????????????????????????
    • CPU??
    • ????????
    • ?????
    • ?????????????
    • ????????ID
    • ???????????????
    • ??????????
    • ?????????????

 ?? ??????????????

????????????????????????????????
   • bank
   • login
   • paypal
   • e-bay
   • ebay

 ??????? ???????:
?????????????MS Visual C++?????????


??????????
?????????????????????????????????????????????????????
   • PE-Crypt.Antideb

説明の挿入者 Catalin Jora の 2005年8月3日水曜日
説明の更新者 Catalin Jora の 2005年8月23日火曜日

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