{"id":162,"date":"2014-12-02T13:17:40","date_gmt":"2014-12-02T13:17:40","guid":{"rendered":"http:\/\/hhardsoft.wordpress.com\/?p=162"},"modified":"2014-12-02T13:17:40","modified_gmt":"2014-12-02T13:17:40","slug":"analisis-de-redes-y-vulnerabilidades","status":"publish","type":"post","link":"https:\/\/hardsoftsecurity.es\/index.php\/2014\/12\/02\/analisis-de-redes-y-vulnerabilidades\/","title":{"rendered":"An\u00e1lisis de redes y vulnerabilidades."},"content":{"rendered":"<p>\u00bfEn que consiste el an\u00e1lisis de redes y vulnerabilidades?<\/p>\n<p>Se basa en utilizar, ciertas herramientas para localizar nodos en la red, y conocer la nomenclatura de la misma, que dispositivos la componen, y diversa informaci\u00f3n adicional depende de las herramientas que utilicemos, incluso a conocer los agujeros de seguridad que existen en la red que se esta escaneando, esto para un administrador de red es importante, ya que tiene que encargarse de que su red se completamente segura, o dentro de lo que cabe, los usuarios que la utilicen, est\u00e9n satisfechos con su seguridad a la hora de utilizarla, sin temer alg\u00fan tipo de problema, al usarla.<\/p>\n<p>En este caso utilizaremos, la herramienta <strong><em>NMAP<\/em><\/strong> para el an\u00e1lisis de la red.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/nmap-project-logo.png?ssl=1\"><img data-recalc-dims=\"1\" fetchpriority=\"high\" decoding=\"async\" data-attachment-id=\"165\" data-permalink=\"https:\/\/hardsoftsecurity.es\/index.php\/2014\/12\/02\/analisis-de-redes-y-vulnerabilidades\/nmap-project-logo\/\" data-orig-file=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/nmap-project-logo.png?fit=1679%2C896&amp;ssl=1\" data-orig-size=\"1679,896\" data-comments-opened=\"1\" data-image-title=\"nmap-project-logo\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/nmap-project-logo.png?fit=800%2C427&amp;ssl=1\" class=\"aligncenter size-full wp-image-165\" src=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/nmap-project-logo.png?resize=640%2C342&#038;ssl=1\" alt=\"nmap-project-logo\" width=\"640\" height=\"342\" srcset=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/nmap-project-logo.png?w=1679&amp;ssl=1 1679w, https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/nmap-project-logo.png?resize=300%2C160&amp;ssl=1 300w, https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/nmap-project-logo.png?resize=768%2C410&amp;ssl=1 768w, https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/nmap-project-logo.png?resize=1024%2C546&amp;ssl=1 1024w, https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/nmap-project-logo.png?resize=1200%2C640&amp;ssl=1 1200w, https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/nmap-project-logo.png?w=1600&amp;ssl=1 1600w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/a><!--more--><\/p>\n<p>\u00bfQue es <strong><em>Nmap<\/em><\/strong>?<\/p>\n<p>Hablando desde mi experiencia personal, esta<strong> herramienta<\/strong> es muy \u00fatil para el <strong>an\u00e1lisis de la red<\/strong>, la principal tarea de esta herramienta es el an\u00e1lisis de puertos, pero desde hace unos a\u00f1os con la implementaci\u00f3n de sus scripts, es incluso capaz de <strong>localizar vulnerabilidades y explotarlas<\/strong>. Esta herramienta, existe en un<strong> entorno gr\u00e1fico y por consola<\/strong>, yo personalmente al utilizar un sistema operativo basado en Linux, tengo por costumbre utilizar la consola, lo cual me decanto por utilizar la linea de comandos. Este programa es de software libre. Puedes redistribuirlo y\/o modificarlo bajo los t\u00e9rminos de la Licencia P\u00fablica General de GNU.<\/p>\n<p>Donde podr\u00e1 encontrarse informaci\u00f3n adicional en su pagina web oficial: <a href=\"http:\/\/nmap.org\/\">http:\/\/nmap.org\/<\/a><\/p>\n<p>\u00bfPara que sirve <strong><em>Nmap<\/em><\/strong>?<\/p>\n<p>El uso de esta herramienta principalmente es el<strong> an\u00e1lisis de puertos<\/strong>, y que servicios se est\u00e1n proporcionando en base a estos puertos, tambi\u00e9n se puede<strong> localizar<\/strong> todos los<strong> equipos<\/strong>, <strong>nodos o elementos<\/strong> que componen una <strong>red<\/strong> con un simple comando, llegando a conocer que <strong>servicios<\/strong> conceden, tambi\u00e9n con esta herramienta se puede localizar el sistema operativo de cada nodo, incluso a llegar a indagar que versi\u00f3n de servicios est\u00e1n ejecutando.<\/p>\n<p>\u00bfQue es <em><strong>Nmap Scripting Engine<\/strong><\/em>?<\/p>\n<p>Los archivos <strong><em>.NSE<\/em><\/strong> de <em><strong>Nmap<\/strong><\/em>, estos archivos son los script ejecutables, que se instalan por defecto en la instalaci\u00f3n del mismo software, <em><strong>Nmap,<\/strong><\/em> era un simple analizador de puertos hasta que se implemento los <em><strong>.NSE<\/strong><\/em> es decir, estos <strong>script<\/strong> permiten a <strong>Nmap<\/strong> que no solo sea un analizador de puertos, si no un<strong> rastreador de vulnerabilidades<\/strong>, llegando incluso a explotar algunas de ellas, lo cual que con una simple herramienta, puede llegar a ser tan vers\u00e1til para un administrador de red.<\/p>\n<p>Otra herramienta que utilizaremos para el an\u00e1lisis de redes y vulnerabilidades ser\u00e1 <strong><em>Nessus.<\/em><\/strong><\/p>\n<p><a href=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/nessus_vulnerability_scanner_logo.png?ssl=1\"><img data-recalc-dims=\"1\" decoding=\"async\" data-attachment-id=\"164\" data-permalink=\"https:\/\/hardsoftsecurity.es\/index.php\/2014\/12\/02\/analisis-de-redes-y-vulnerabilidades\/nessus_vulnerability_scanner_logo\/\" data-orig-file=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/nessus_vulnerability_scanner_logo.png?fit=300%2C81&amp;ssl=1\" data-orig-size=\"300,81\" data-comments-opened=\"1\" data-image-title=\"Nessus_Vulnerability_Scanner_Logo\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/nessus_vulnerability_scanner_logo.png?fit=300%2C81&amp;ssl=1\" class=\"aligncenter size-full wp-image-164\" src=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/nessus_vulnerability_scanner_logo.png?resize=300%2C81&#038;ssl=1\" alt=\"Nessus_Vulnerability_Scanner_Logo\" width=\"300\" height=\"81\" \/><\/a>\u00bfQue es <strong><em>Nessus<\/em><\/strong>?<\/p>\n<p><strong><em>Nessus<\/em><\/strong> es una <strong>herramienta<\/strong> de<strong><em> an\u00e1lisis de red y vulnerabilidades<\/em><\/strong>, pero es especialista en los an\u00e1lisis diversos de vulnerabilidades de nuestra red y de equipos en concreto, es fant\u00e1stica su intuitiva interfaz, lo que se puede realizar con unos simples clicks lo que se podr\u00eda lograr es incre\u00edble, desde encontrar vulnerabilidades, hasta la posible soluci\u00f3n de la misma, o para los <strong><em>pentesting<\/em><\/strong>, realizar explotaciones de las mismas, con los script que implementa esta herramienta. Para esta herramienta, existe varias versiones del mismo software, una de ellas es la profesional, que esta dirigida al \u00e1mbito profesional, y hay que adquirir una licencia, y la versi\u00f3n &#8220;casera&#8221; que es para el \u00e1mbito no profesional, esta es completamente gratuita, esta herramienta es indispensable dentro de las herramientas de un administrador de red.<\/p>\n<p>Para encontrar m\u00e1s informaci\u00f3n sobre esta herramienta, visitar su p\u00e1gina web oficial: <a href=\"http:\/\/www.tenable.com\/\">http:\/\/www.tenable.com\/<\/a><\/p>\n<p>\u00bfPara que sirve <em><strong>Nessus<\/strong><\/em>?<\/p>\n<p>La principal tarea de <em><strong>Nessus<\/strong><\/em>, es el escaneo de la red en busca de vulnerabilidades y agujeros de seguridad dentro de nuestra red, proporcion\u00e1ndonos datos en relaci\u00f3n a los datos sobre las vulnerabilidades encontradas, entre estos datos, nos da la posible soluci\u00f3n a la vulnerabilidad, y incluso nos da la oportunidad de simular una explotaci\u00f3n de la vulnerabilidad para saber si realmente es completamente vulnerable.<\/p>\n<p>\u00bfQue es <em><strong>Nessus Attack Scripting Language<\/strong><\/em>?<\/p>\n<p>Esto son los script, que utiliza <em><strong>Nessus<\/strong><\/em> para la explotaci\u00f3n de las vulnerabilidades encontradas con un previo escaneo de la red, estos script no siempre explotan la vulnerabilidad, si no que simulan un penetraci\u00f3n en la vulnerabilidad, para ver si realmente es vulnerable.<\/p>\n<p>Ahora vamos a poner una puesta en funcionamiento de las herramientas previamente comentadas, ahora que las conocemos.<\/p>\n<p>Comenzaremos con el escaneo de la red con la herramienta <strong><em>Nmap<\/em><\/strong>, mediante entorno gr\u00e1fico de texto, con el comando:<\/p>\n<blockquote><p><strong>sudo nmap -sP 192.168.1.1\/24 <\/strong>( este comando sirve para localizar todos los equipos en la red y sus MAC)<\/p><\/blockquote>\n<p><a href=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_1.png?ssl=1\"><img data-recalc-dims=\"1\" decoding=\"async\" data-attachment-id=\"166\" data-permalink=\"https:\/\/hardsoftsecurity.es\/index.php\/2014\/12\/02\/analisis-de-redes-y-vulnerabilidades\/screenshot_1-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_1.png?fit=287%2C17&amp;ssl=1\" data-orig-size=\"287,17\" data-comments-opened=\"1\" data-image-title=\"Screenshot_1\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_1.png?fit=287%2C17&amp;ssl=1\" class=\"aligncenter size-full wp-image-166\" src=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_1.png?resize=287%2C17&#038;ssl=1\" alt=\"Screenshot_1\" width=\"287\" height=\"17\" \/><\/a>Una vez lanzado el comando, como resultado nos dar\u00e1 todos los nodos conectados a red, con su IP y la MAC, en mi caso selecciona ya al nodo que deseo escanear.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_2.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"167\" data-permalink=\"https:\/\/hardsoftsecurity.es\/index.php\/2014\/12\/02\/analisis-de-redes-y-vulnerabilidades\/screenshot_2-3\/\" data-orig-file=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_2.png?fit=494%2C58&amp;ssl=1\" data-orig-size=\"494,58\" data-comments-opened=\"1\" data-image-title=\"Screenshot_2\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_2.png?fit=494%2C58&amp;ssl=1\" class=\"aligncenter size-full wp-image-167\" src=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_2.png?resize=494%2C58&#038;ssl=1\" alt=\"Screenshot_2\" width=\"494\" height=\"58\" srcset=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_2.png?w=494&amp;ssl=1 494w, https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_2.png?resize=300%2C35&amp;ssl=1 300w\" sizes=\"(max-width: 494px) 100vw, 494px\" \/><\/a>Al haber ya seleccionado el nodo que deseamos escanear, procederemos a conocer que puertos tiene abiertos, servicios y que sistema operativo tiene este host, con el siguiente comando:<\/p>\n<blockquote><p><em><strong>sudo nmap -sV -O 192.168.200.98<\/strong><\/em> (-sV: Escanear versiones de los servicios -O Escanear que sistema operativo tiene el host)<\/p><\/blockquote>\n<p><a href=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_3.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"168\" data-permalink=\"https:\/\/hardsoftsecurity.es\/index.php\/2014\/12\/02\/analisis-de-redes-y-vulnerabilidades\/screenshot_3-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_3.png?fit=287%2C18&amp;ssl=1\" data-orig-size=\"287,18\" data-comments-opened=\"1\" data-image-title=\"Screenshot_3\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_3.png?fit=287%2C18&amp;ssl=1\" class=\"aligncenter size-full wp-image-168\" src=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_3.png?resize=287%2C18&#038;ssl=1\" alt=\"Screenshot_3\" width=\"287\" height=\"18\" \/><\/a>Como resultado se nos proporcionara la siguiente informaci\u00f3n:<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_4.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"169\" data-permalink=\"https:\/\/hardsoftsecurity.es\/index.php\/2014\/12\/02\/analisis-de-redes-y-vulnerabilidades\/screenshot_4-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_4.png?fit=722%2C235&amp;ssl=1\" data-orig-size=\"722,235\" data-comments-opened=\"1\" data-image-title=\"Screenshot_4\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_4.png?fit=722%2C235&amp;ssl=1\" class=\" size-full wp-image-169 aligncenter\" src=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_4.png?resize=640%2C208&#038;ssl=1\" alt=\"Screenshot_4\" width=\"640\" height=\"208\" srcset=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_4.png?w=722&amp;ssl=1 722w, https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_4.png?resize=300%2C98&amp;ssl=1 300w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/a>Como resultado, podemos ver los puertos que tiene abierto, el servicio que proporciona cada uno de los puertos, la versi\u00f3n del servicio, que es lo que nos interesa, para poder encontrar alg\u00fan tipo de vulnerabilidad.<\/p>\n<p>Al ver que utiliza el protocolo samba, ejecutaremos el script de <em><strong>Nmap <\/strong><\/em>smb-check-vulns.nse con el siguiente comando:<\/p>\n<blockquote><p><em><strong>sudo nmap &#8211;script smb-check-vulns.nse<\/strong><\/em><\/p><\/blockquote>\n<p>Dando el siguiente resultado, seg\u00fan como se interpreten los datos, o los datos que nos proporcione, encontraremos vulnerabilidades o no, en este caso tenemos que a\u00f1adir un argumento para que realice, y compruebe si existe la posible vulnerabilidad.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_6.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"171\" data-permalink=\"https:\/\/hardsoftsecurity.es\/index.php\/2014\/12\/02\/analisis-de-redes-y-vulnerabilidades\/screenshot_6-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_6.png?fit=718%2C385&amp;ssl=1\" data-orig-size=\"718,385\" data-comments-opened=\"1\" data-image-title=\"Screenshot_6\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_6.png?fit=718%2C385&amp;ssl=1\" class=\"aligncenter size-full wp-image-171\" src=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_6.png?resize=640%2C343&#038;ssl=1\" alt=\"Screenshot_6\" width=\"640\" height=\"343\" srcset=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_6.png?w=718&amp;ssl=1 718w, https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_6.png?resize=300%2C161&amp;ssl=1 300w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/a>Con esto finalizo, la puesta en funcionamiento de la herramienta <em><strong>Nmap.<\/strong><\/em><\/p>\n<p>La puesta en funcionamiento de la herramienta, <strong><em>Nessus<\/em><\/strong>.<\/p>\n<p>Tras la instalaci\u00f3n, procederemos a loguearnos desde el navegador.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_7.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"172\" data-permalink=\"https:\/\/hardsoftsecurity.es\/index.php\/2014\/12\/02\/analisis-de-redes-y-vulnerabilidades\/screenshot_7-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_7.png?fit=619%2C424&amp;ssl=1\" data-orig-size=\"619,424\" data-comments-opened=\"1\" data-image-title=\"Screenshot_7\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_7.png?fit=619%2C424&amp;ssl=1\" class=\"aligncenter size-full wp-image-172\" src=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_7.png?resize=619%2C424&#038;ssl=1\" alt=\"Screenshot_7\" width=\"619\" height=\"424\" srcset=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_7.png?w=619&amp;ssl=1 619w, https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_7.png?resize=300%2C205&amp;ssl=1 300w\" sizes=\"(max-width: 619px) 100vw, 619px\" \/><\/a>Tras habernos logueado, procederemos a crear una nueva pol\u00edtica para poder hacer el escaneo de la red.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_8.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"173\" data-permalink=\"https:\/\/hardsoftsecurity.es\/index.php\/2014\/12\/02\/analisis-de-redes-y-vulnerabilidades\/screenshot_8-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_8.png?fit=1249%2C306&amp;ssl=1\" data-orig-size=\"1249,306\" data-comments-opened=\"1\" data-image-title=\"Screenshot_8\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_8.png?fit=800%2C196&amp;ssl=1\" class=\"aligncenter size-full wp-image-173\" src=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_8.png?resize=640%2C157&#038;ssl=1\" alt=\"Screenshot_8\" width=\"640\" height=\"157\" srcset=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_8.png?w=1249&amp;ssl=1 1249w, https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_8.png?resize=300%2C73&amp;ssl=1 300w, https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_8.png?resize=768%2C188&amp;ssl=1 768w, https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_8.png?resize=1024%2C251&amp;ssl=1 1024w, https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_8.png?resize=1200%2C294&amp;ssl=1 1200w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/a>Una vez realizado esto nos dirigiremos al apartado scan, donde procederemos a realizar un nuevo escaneo.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_9.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"174\" data-permalink=\"https:\/\/hardsoftsecurity.es\/index.php\/2014\/12\/02\/analisis-de-redes-y-vulnerabilidades\/screenshot_9-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_9.png?fit=1237%2C324&amp;ssl=1\" data-orig-size=\"1237,324\" data-comments-opened=\"1\" data-image-title=\"Screenshot_9\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_9.png?fit=800%2C209&amp;ssl=1\" class=\"aligncenter size-full wp-image-174\" src=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_9.png?resize=640%2C168&#038;ssl=1\" alt=\"Screenshot_9\" width=\"640\" height=\"168\" srcset=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_9.png?w=1237&amp;ssl=1 1237w, https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_9.png?resize=300%2C79&amp;ssl=1 300w, https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_9.png?resize=768%2C201&amp;ssl=1 768w, https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_9.png?resize=1024%2C268&amp;ssl=1 1024w, https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_9.png?resize=1200%2C314&amp;ssl=1 1200w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/a>Al terminar el escaneo procederemos a acceder a los datos proporcionados por el escaneo de Nessus, con el siguiente resultado.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_10.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"175\" data-permalink=\"https:\/\/hardsoftsecurity.es\/index.php\/2014\/12\/02\/analisis-de-redes-y-vulnerabilidades\/screenshot_10-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_10.png?fit=919%2C217&amp;ssl=1\" data-orig-size=\"919,217\" data-comments-opened=\"1\" data-image-title=\"Screenshot_10\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_10.png?fit=800%2C189&amp;ssl=1\" class=\"aligncenter size-full wp-image-175\" src=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_10.png?resize=640%2C151&#038;ssl=1\" alt=\"Screenshot_10\" width=\"640\" height=\"151\" srcset=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_10.png?w=919&amp;ssl=1 919w, https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_10.png?resize=300%2C71&amp;ssl=1 300w, https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_10.png?resize=768%2C181&amp;ssl=1 768w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/a>Aqu\u00ed nos dice que ha encontrado 1 vulnerabilidad importante, 4 vulnerabilidades de nivel medio y 2 de nivel bajo, en la misma p\u00e1gina nos proporcionan esta informaci\u00f3n de otra manera.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_11.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"176\" data-permalink=\"https:\/\/hardsoftsecurity.es\/index.php\/2014\/12\/02\/analisis-de-redes-y-vulnerabilidades\/screenshot_11-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_11.png?fit=330%2C509&amp;ssl=1\" data-orig-size=\"330,509\" data-comments-opened=\"1\" data-image-title=\"Screenshot_11\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_11.png?fit=330%2C509&amp;ssl=1\" class=\"aligncenter size-full wp-image-176\" src=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_11.png?resize=330%2C509&#038;ssl=1\" alt=\"Screenshot_11\" width=\"330\" height=\"509\" srcset=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_11.png?w=330&amp;ssl=1 330w, https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_11.png?resize=194%2C300&amp;ssl=1 194w\" sizes=\"(max-width: 330px) 100vw, 330px\" \/><\/a>Seleccionaremos el escaneo, se nos abrir\u00e1 la ventana con la lista de las vulnerabilidades, como muestro en la siguiente captura.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_12.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"177\" data-permalink=\"https:\/\/hardsoftsecurity.es\/index.php\/2014\/12\/02\/analisis-de-redes-y-vulnerabilidades\/screenshot_12-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_12.png?fit=901%2C354&amp;ssl=1\" data-orig-size=\"901,354\" data-comments-opened=\"1\" data-image-title=\"Screenshot_12\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_12.png?fit=800%2C314&amp;ssl=1\" class=\"aligncenter size-full wp-image-177\" src=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_12.png?resize=640%2C251&#038;ssl=1\" alt=\"Screenshot_12\" width=\"640\" height=\"251\" srcset=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_12.png?w=901&amp;ssl=1 901w, https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_12.png?resize=300%2C118&amp;ssl=1 300w, https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_12.png?resize=768%2C302&amp;ssl=1 768w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/a>En este caso selecciona la segunda, la cual al clickear encima de la vulnerabilidad nos mostrara la posible soluci\u00f3n, y cual es la vulnerabilidad espec\u00edfica.<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_13.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" data-attachment-id=\"178\" data-permalink=\"https:\/\/hardsoftsecurity.es\/index.php\/2014\/12\/02\/analisis-de-redes-y-vulnerabilidades\/screenshot_13-2\/\" data-orig-file=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_13.png?fit=873%2C278&amp;ssl=1\" data-orig-size=\"873,278\" data-comments-opened=\"1\" data-image-title=\"Screenshot_13\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_13.png?fit=800%2C255&amp;ssl=1\" class=\"aligncenter size-full wp-image-178\" src=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_13.png?resize=640%2C204&#038;ssl=1\" alt=\"Screenshot_13\" width=\"640\" height=\"204\" srcset=\"https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_13.png?w=873&amp;ssl=1 873w, https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_13.png?resize=300%2C96&amp;ssl=1 300w, https:\/\/i0.wp.com\/hardsoftsecurity.es\/wp-content\/uploads\/2014\/12\/screenshot_13.png?resize=768%2C245&amp;ssl=1 768w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><\/a>Como vemos se nos presenta una posible soluci\u00f3n de la vulnerabilidad y una descripci\u00f3n de la vulnerabilidad. Con esto termino la puesta apunto de <strong><em>Nessus.<\/em><\/strong><\/p>\n<p>Todo el proceso del escaneo de vulnerabilidades y de la red, como las im\u00e1genes han sido comprobados, y capturadas por mi.<\/p>\n<p>Saludos, David De Maya Merras, @DavidDeMaya<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u00bfEn que consiste el an\u00e1lisis de redes y vulnerabilidades? Se basa en utilizar, ciertas herramientas para localizar nodos en la red, y conocer la nomenclatura de la misma, que dispositivos &#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_hide_featured_image":false,"_jetpack_featured_image_duplicate_dismissed":0,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[3,7],"tags":[],"class_list":["post-162","post","type-post","status-publish","format-standard","hentry","category-guias","category-seguridad-informatica"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>An\u00e1lisis de redes y vulnerabilidades. - Hardsoft Security<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/hardsoftsecurity.es\/index.php\/2014\/12\/02\/analisis-de-redes-y-vulnerabilidades\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"An\u00e1lisis de redes y vulnerabilidades. - Hardsoft Security\" \/>\n<meta property=\"og:description\" content=\"\u00bfEn que consiste el an\u00e1lisis de redes y vulnerabilidades? 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Explotaci\u00f3n de vulnerabilidad. Parte 2.","author":"david","date":"julio 10, 2015","format":false,"excerpt":"Tras haber recogido informaci\u00f3n con Nessus y Nmap, he seleccionado una vulnerabilidad que cubre las necesidades que tengo en mente, y es acceder al equipo atacado mediante control remoto, es decir tras explotar la vulnerabilidad conseguir un terminal para tener acceso en el servidor. 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