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BDS/Hupigon.chy - Backdoor Server
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Nume:
BDS/Hupigon.chy
Descoperit pe data de:
12/09/2006
Tip:
Backdoor Server
ITW:
Nu
Numar infectii raportate:
Scazut
Potential de raspandire:
Scazut
Potential de distrugere:
Mediu
Fisier static:
Da
Marime:
833.536 Bytes
MD5:
4052dc2493d0b00af39524765d4c6119
Versiune VDF:
6.35.01.215
Versiune IVDF:
6.35.01.219
General
Metoda de raspandire:
• Nu are rutina proprie de raspandire
Alias:
• Mcafee: BackDoor-AWQ
• Kaspersky: Backdoor.Win32.Hupigon.chy
• TrendMicro: BKDR_HUPIGON.BJX
• F-Secure: Backdoor.Win32.Hupigon.chy
• Eset: Win32/Hupigon.CHY
Sistem de operare:
• Windows 98
• Windows 98 SE
• Windows NT
• Windows ME
• Windows 2000
• Windows XP
• Windows 2003
Efecte secundare:
• Creeaza fisiere
• Modificari in registri
• Sustrage informatii
• Posibilitatea accesului neautorizat la computer
Fisiere
Se copiaza in urmatoarea locatie:
•
%WINDIR%
\server.bat
Sterge copia initiala a virusului.
Sunt create fisierele:
–
%SYSDIR%
\SVKP.sys
–
%WINDIR%
\uninstal.bat Fisierul este executat dupa ce a fost creat. Fisierul batch este folosit pentru stergerea unui fisier.
Registrii sistemului
Urmatoarele chei sunt adaugate in registri pentru a incarca serviciile la repornirea sistemului:
– [HKLM\SYSTEM\CurrentControlSet\Services\SVKP]
• "Type"=dword:00000001
• "Start"=dword:00000002
• "ErrorControl"=dword:00000001
• "ImagePath"="
%SYSDIR%
\SVKP.sys"
• "DisplayName"="SVKP"
– [HKLM\SYSTEM\CurrentControlSet\Services\SVKP\Security]
• "Security"=
%valori hex%
– [HKLM\SYSTEM\CurrentControlSet\Services\SVKP\Enum]
• "0"="Root\\LEGACY_SVKP\\0000"
• "Count"=dword:00000001
• "NextInstance"=dword:00000001
– [HKLM\SYSTEM\CurrentControlSet\Services\BNS Service]
• "Type"=dword:00000110
• "Start"=dword:00000002
• "ErrorControl"=dword:00000000
• "ImagePath"="
%WINDIR%
\server.bat"
• "DisplayName"="DNS Service"
• "ObjectName"="LocalSystem"
• "Description"="Ö§³Ö´Ë¼ÆËã»úµÄ½âÎöºÍ»º³åÓòÃûϵͳ(DNS)·þÎñ¡£Èç¹û´Ë·þÎñÍ£Ö¹£¬½âÎöºÍ»º³åÓòÃûϵͳ(DNS)·þÎñ¹¦Äܽ«²»¿ÉÓá£"
– [HKLM\SYSTEM\CurrentControlSet\Services\BNS Service\Security]
• "Security"=
%valori hex%
– [HKLM\SYSTEM\CurrentControlSet\Services\BNS Service\Enum]
• "0"="Root\\LEGACY_BNS_SERVICE\\0000"
• "Count"=dword:00000001
• "NextInstance"=dword:00000001
Backdoor
Deschide porturile:
– iexplore.exe pe portul TCP 8080 pentru a functiona ca server proxy.
– iexplore.exe pe portul TCP 1080
Servere contactate:
Urmatorul:
• syrus.3322.**********:8000
Astfel se pot transmite informatii si se poate obtine control la distanta.
Trimte informatii despre:
• Numele sistemului
• Informatii despre sistemul de operare
Injectarea codului malware in alte procese
– Se injecteaza intr-un proces.
Numele procesului:
• iexplore.exe
Detaliile fisierului
Compresia fisierului:
Pentru a ingreuna detectia si a reduce marimea fisierului, este folosit urmatorul program de arhivare:
• SVKP
Pentru o descriere scurta click
aici
.
Descriere introdusa de Adriana Popa la Thu, 26 Oct 2006 15:44 (GMT+1)
Descriere actualizata de Adriana Popa la Fri, 27 Oct 2006 14:34 (GMT+1)
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