Discussione: errore vbulletin o attacco?

da circa tre giorni ho continue email di errore anche se ritengo sia una sorta di attacco, e' possibile?

Database error in vBulletin 3.8.1:

Invalid SQL:

SELECT
post.*, post.username AS postusername, post.ipaddress AS ip, IF(post.visible = 2, 1, 0) AS isdeleted,
user.*, userfield.*, usertextfield.*,
icon.title as icontitle, icon.iconpath,
IF(displaygroupid=0, user.usergroupid, displaygroupid) AS displaygroupid, infractiongroupid,
avatar.avatarpath, NOT ISNULL(customavatar.userid) AS hascustomavatar, customavatar.dateline AS avatardateline,customavatar.width AS avwidth,customavatar.height AS avheight,

editlog.userid AS edit_userid, editlog.username AS edit_username, editlog.dateline AS edit_dateline, editlog.reason AS edit_reason, editlog.hashistory,
postparsed.pagetext_html, postparsed.hasimages,
sigparsed.signatureparsed, sigparsed.hasimages AS sighasimages,
sigpic.userid AS sigpic, sigpic.dateline AS sigpicdateline, sigpic.width AS sigpicwidth, sigpic.height AS sigpicheight


FROM post AS post
LEFT JOIN user AS user ON(user.userid = post.userid)
LEFT JOIN userfield AS userfield ON(userfield.userid = user.userid)
LEFT JOIN usertextfield AS usertextfield ON(usertextfield.userid = user.userid)
LEFT JOIN icon AS icon ON(icon.iconid = post.iconid)
LEFT JOIN avatar AS avatar ON(avatar.avatarid = user.avatarid) LEFT JOIN customavatar AS customavatar ON(customavatar.userid = user.userid)

LEFT JOIN editlog AS editlog ON(editlog.postid = post.postid)
LEFT JOIN postparsed AS postparsed ON(postparsed.postid = post.postid AND postparsed.styleid = 2 AND postparsed.languageid = 3)
LEFT JOIN sigparsed AS sigparsed ON(sigparsed.userid = user.userid AND sigparsed.styleid = 2 AND sigparsed.languageid = 3)
LEFT JOIN sigpic AS sigpic ON(sigpic.userid = post.userid)

WHERE post.postid = 86751;

MySQL Error : MySQL server has gone away
Error Number : 2006
Request Date : Friday, April 3rd 2009 @ 10:57:15 PM
Error Date : Friday, April 3rd 2009 @ 10:58:12 PM
Script : http://www.vesparesources.com/forum/86751-post7.html
Referrer : http://lenuw.com
IP Address : 83.52.57.117
Username : Non registrato
Classname : vb_database
MySQL Version :

ho provato a bannare quell'ip e adesso l'errore e' cambiato:

Database error in vBulletin 3.8.1:

Invalid SQL:

SELECT text, languageid, special
FROM phrase AS phrase
LEFT JOIN phrasetype USING (fieldname)
WHERE phrase.fieldname = 'error'
AND varname = 'banip' AND languageid IN (-1, 0, 3);

MySQL Error : MySQL server has gone away
Error Number : 2006
Request Date : Saturday, April 4th 2009 @ 07:16:43 AM
Error Date : Saturday, April 4th 2009 @ 07:17:40 AM
Script : http://www.vesparesources.com/forum/...e-ne-dite.html
Referrer : http://lenuw.com
IP Address : 83.52.57.117
Username : Non registrato
Classname : vb_database
MySQL Version :

ovviamente lenuw.com non porta da nessuna parte.
cosa posso fare?

grazie