1.1.Funcionamiento of the Web servers 2 1.2.Vulnerabilidades in IIS (Internet Information Server) 3 1.2.1.Codificación Unicode 3 1.2.2.Vulnerabilidad Unicode 4 2.Anatomía of an attack 6 2.1.Search of 6 tracks 2.2.Escaneo 6 2.3.Enumeración 7 2.4.Obtención of Access 7 2.5.Incremento of 7 Privileges 2.6.Search of Information 8 2.7.Creation of Backdoors 8 2.8.Elimination of 8 tracks 3.Como to avoid to protect servant 9 3.1.Cierre of ports 9 3.2.Ocultando the Unicode vulnerability 9 4.Entornos of test 11 4.1.WebMaven 11 4.1.1.OSSTMM 12 4.1.2.OWASP 12