wordpress hacked

Hi,

My blogs have been hacked and I found this backward code that is warned about in other posts in this forum. I found it but I have no idea what to do about it. Here it is:

FROM information_schema.PROCESSLIST
WHERE (
ID LIKE ‘%(edoced_46esab(lave%’
OR USER LIKE ‘%(edoced_46esab(lave%’
OR HOST LIKE ‘%(edoced_46esab(lave%’
OR DB LIKE ‘%(edoced_46esab(lave%’
OR COMMAND LIKE ‘%(edoced_46esab(lave%’
OR TIME LIKE ‘%(edoced_46esab(lave%’
OR STATE LIKE ‘%(edoced_46esab(lave%’
OR INFO LIKE ‘%(edoced_46esab(lave%’
)
LIMIT 0 , 30