If anyone want doublecheck this problem, here is the dos code and source: http://www.deloitte.com.ar/espanol/ers/research/rdpdos.zip Original advisory here: http://www.microsoft.com/technet/security/bulletin/MS01-052.asp Luciano Martins Deloitte & Touche - Buenos Aires Seguridad Informatica, ERS Florida 234, Piso 5 (C1005AAF) (54 - 11 ) 4320-2700 / 4326-4046 ext.2300 lumartins@deloitte.com.ar "The only secure computer is one that's unplugged, locked in a safe, and buried 20 feet under the ground in a secret location... and i'm not even too sure about that one"--Dennis Huges, FBI.