GST 2.21
(Backdoor.Win32.GST.221)

by ?

aka Ghost and Skinn Trojan

Written in Delphi, compressed with ASPack

Released in January 2005

more versions


Server
dropped file:
c:\WINDOWS\system32\service.exe
size: 335,383 bytes 

startup:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run "System Service"
data: C:\WINDOWS\system32\service.exe 



tested on Windows XP
February 02, 2007

MegaSecurity