Written in Delphi, compressed with UPX

more versions

Server:
dropped files:
c:\WINNT\winsock.exe        size: 27.648 bytes 
c:\WINNT\system32\ipmon.exe size: 27.648 bytes 

port: 9870 TCP

startup:
HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run "ipmon.exe"
data: C:\WINNT\system32\ipmon.exe