I recently noticed my default.asp file was overwritten by a hacker.

The hacker wrote 4 files to each of my web root directories. The files are 1K in size and contain the phrase "F*CK USA GOVERNMENT." The 4 files are: default.asp, default.htm, index.asp, index.htm.

Anyone know how they did this so I can close the hole in the server?

Thanks in advance....

Michael