Written in Microsoft Visual C++, compressed with UPX

more versions

Backdoor.Sinit.b:
dropped file:
c:\WINDOWS\system32\svcinit.exe
size: 58,880 bytes 

port: 53        TCP
      53, 30136 UDP

added to registry:	  
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon "Userinit"
old data: C:\WINDOWS\system32\userinit.exe, 
new data: C:\WINDOWS\System32\userinit.exe,C:\WINDOWS\System32\svcinit.exe 	  

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\DirectPlugin
HKEY_LOCAL_MACHINE\SYSTEM\ControlSet002\�


tested on Windows XP
April 23, 2005