Nume:Worm/Slenfbot.94209
Descoperit pe data de:24/01/2011
Tip:Vierme
ITW:Da
Numar infectii raportate:Scazut
Potential de raspandire:Scazut
Potential de distrugere:Mediu
Fisier static:Da
Marime:94.208 Bytes
MD5:5A903E24CAB1AF8EAD4CABCE72D174E6
Versiune VDF:7.10.08.45
Versiune IVDF:7.11.01.237 - Monday, January 24, 2011

 General Metoda de raspandire:
   • Nu are rutina proprie de raspandire


Alias:
   •  Kaspersky: IM-Worm.Win32.Yahos.ll
   •  Microsoft: Worm:Win32/Slenfbot.AKD


Sistem de operare:
   • Windows 95
   • Windows 98
   • Windows 98 SE
   • Windows ME
   • Windows 2000
   • Windows XP
   • Windows 2003
   • Windows Vista
   • Windows Server 2008
   • Windows 7


Efecte secundare:
   • Reduce setarile de securitate
   • Inregistreaza intrarile de la tastatura
   • Modificari in registri
   • Deschide un website in navigatorul de internet

 Fisiere Se copiaza in urmatoarea locatie:
   • %WINDIR%\nvsvc32.exe




Incearca sa execute urmatoarele fisiere:

– Numele fisierului:
   • %SYSDIR%\netsh.exe
cu urmatorii parametri: firewall add allowedprogram 1.exe 1 ENABLE


– Numele fisierului:
   • %WINDIR%\explorer.exe
cu urmatorii parametri: http://browseusers.myspace.com/Browse/Browse.aspx


– Numele fisierului:
   • %SYSDIR%\net.exe


– Numele fisierului:
   • %SYSDIR%\ntvdm.exe
cu urmatorii parametri: ntvdm.exe" -f -i1


– Numele fisierului:
   • %SYSDIR%\ntvdm.exe
cu urmatorii parametri: ntvdm.exe" -f -i2


– Numele fisierului:
   • %SYSDIR%\sc.exe
cu urmatorii parametri: config wuauserv start= disabled


– Numele fisierului:
   • %SYSDIR%\sc.exe
cu urmatorii parametri: sc config MsMpSvc start= disabled

 Registrii sistemului Urmatoarele chei sunt adaugate in registri pentru a rula procesul la repornirea sistemului:

– [HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run]
   • "NVIDIA driver monitor"="%WINDIR%\\nvsvc32.exe"

– [HKCU\Software\Microsoft\Windows\CurrentVersion\Run]
   • "NVIDIA driver monitor"="%WINDIR%\\nvsvc32.exe"

– [HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Terminal Server\
   Install\Software\Microsoft\Windows\CurrentVersion\Run]
   • "NVIDIA driver monitor"="%WINDIR%\\nvsvc32.exe"



Creeaza urmatoarea valoare, pentru a trece de Windows XP firewall:

– [HKLM\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\
   FirewallPolicy\StandardProfile\AuthorizedApplications\List]
   • "%directorul de activare malware%\\%fisier
      executat%"="%SYSDIR%\\nvsvc32.exe:*:Enabled:NVIDIA driver monitor"



Urmatoarele chei din registri sunt modificate:

Reduce setarile de securitate din Internet Explorer:

– [HKCU\Software\Microsoft\Windows\CurrentVersion\Internet Settings\
   ZoneMap]
   Vechea valoare:
   • "ProxyBypass"=%setarile utilizatorului%
   • "IntranetName"=%setarile utilizatorului%
   • "UNCAsIntranet"=%setarile utilizatorului%
   Noua valoare:
   • "ProxyBypass"=dword:00000001
   • "IntranetName"=dword:00000001
   • "UNCAsIntranet"=dword:00000001

Reduce setarile de securitate din Internet Explorer:

– [HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings]
   Vechea valoare:
   • "AutoConfigURL"=%setarile utilizatorului%
   Noua valoare:
   • "AutoConfigURL"=-

 IRC  Server: %server IRC%
Port: 1234
Canal: #!nn! test
Nick: NEW-[GBR|00|**********|%numere aleatoare%]
Parola: xxx


– In plus, poate efectua urmatoarele operatii:
    • conectare server IRC
    • deconectare server IRC
    • intrare pe canal IRC

 Alte informatii Conexiune internet:

Formuleaza cereri pentru urmatoarele nume:
   • astro.ic.**********.uk
   • ale.pakibi**********.com
   • versat**********.com
   • journalofaccountan**********.com
   • transnationa**********.org
   • mas.0730**********.com
   • api.albertoshisto**********.info
   • stayonti**********.info
   • www.shearm**********.com
   • insidehigher**********.com
   • ate.lacoctele**********.net
   • www.facebo**********.com
   • browseusers.myspa**********.com
   • www.myspa**********.com
   • x.myspace**********.com
   • websitetraffics**********.com
   • qun.5**********.com
   • summer-uni-sw.**********.ch
   • shopsty**********.com
   • xxx.stopklat**********.pl
   • unclef**********.com
   • mcsp.lvengi**********.com
Acceseaza resurse de pe internet:
   • http://www.facebo**********.com/home.php;
      http://www.facebo**********.com/login.php;
      http://browseusers.myspa**********.com/Browse/Browse.aspx;
      http://www.myspa**********.com/browse/people;
      http://www.myspa**********.com/help/browserunsupported;
      http://x.myspace**********.com/images/BrowserUpgrade/bg_infobox.jpg;
      http://x.myspace**********.com/modules/splash/static/img/cornersSheet.png;
      http://x.myspace**********.com/images/BrowserUpgrade/icon_information.gif;
      http://x.myspace**********.com/images/BrowserUpgrade/bg_browserSection.jpg;
      http://x.myspace**********.com/images/BrowserUpgrade/browserLogos_med.jpg;
      http://174.37.200.**********/index.php

 Detaliile fisierului Limbaj de programare:
 Limbaj de programare folosit: C (compilat cu Microsoft Visual C++).


Data compilarii:
Data: 23/01/2011
Ora: 18:16:57

Description inserted by Alexander Bauer on Wednesday, January 26, 2011
Description updated by Alexander Bauer on Wednesday, January 26, 2011

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