Gregory P. Ennis wrote:
P.S. I found the following entry in my error_log of /var/log/httpd/ :
[Sun Aug 16 04:26:19 2009] [info] Server built: Jul 14 2009 06:02:39 --00:21:14-- http://code.go.ro/paypal.com.tar Resolving code.go.ro... 81.196.20.134 Connecting to code.go.ro|81.196.20.134|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 645120 (630K) [application/x-tar] Saving to: `paypal.com.tar'
....
looks like they spoofed something on your server, probably some kinda sloppy php, into running wget. I'd take a look at the access_log around the same timestamp to see if there any hints as to how they did this.