This is a very small backdoor which downloads a file from a specific http address which you can specify.
Backdoor.Psychward.g [Kaspersky]Backdoor/Psychward.G [Computer Associates]Bck/Psychward.g [Panda]destructive program [F-Prot]Downloader.cfg [McAfee]security risk or a "backdoor" program [F-Prot]Trj/W32.WWWPW.A [Panda]Trojan.Win32.Loader.WPWTroja
modify.exe