Written in Microsoft Visual C++, compressed with UPX

more versions

Backdoor.Win32.Rbot.gen:
dropped file:
c:\WINDOWS\system32\win32snd.exe
size: 89.600 bytes 

port: 113 TCP

startup:
HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run "Win32 Sound Config"
data: win32snd.exe 

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run "Win32 Sound Config"
data: win32snd.exe 

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunServices "Win32 Sound Config"
data: win32snd.exe 

modified:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Ole "EnableDCOM"
old data: Y 
new data: N 

tested on Windows XP
December 03, 2004