help: site hacked

From: Hernán Castelo (hcastelo_at_cedi.frba.utn.edu.ar)
Date: 06/28/04


Date: Mon, 28 Jun 2004 11:04:25 -0300

hi
someone was hacked my site
i have 2 servers :
web--> IIS 5 / w2k adv Srv IIS lockdown
sql--> SQL2k / w2k adv Srv

i found the web srv doing "beeps"
soon i found it serves html pages
but don't serves asp with an error like
"Error in the server application"

sql srv lost sa password
and don't recognize the local admin
then i can't access to sql applications

except of that,
servers appears to work normal

the web srv log is saying
that attacked the iwam_
and many "login misses" under DCOMSCM
and then, "login hits"

i go now to restore
my backup and images
but
what can i do to prevent the next attack ?
how can i protect better the site ?

thanks

-- 
atte,
Hernán Castelo
SGA - UTN - FRBA


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