{"id":669,"date":"2020-09-05T22:00:32","date_gmt":"2020-09-05T22:00:32","guid":{"rendered":"http:\/\/blog.thepragmatic.xyz\/?p=669"},"modified":"2021-05-11T15:46:10","modified_gmt":"2021-05-11T15:46:10","slug":"filtros-utiles-para-wireshark","status":"publish","type":"post","link":"https:\/\/blog.thepragmatic.xyz\/?p=669","title":{"rendered":"Filtros \u00fatiles para Wireshark"},"content":{"rendered":"\n<p>La mayor\u00eda de las veces las capturas de tr\u00e1fico suelen ser bastante extensas, dependiendo el tama\u00f1o de la red, servicios y complejidad de la misma. En estos casos es pertinente filtrar el tr\u00e1fico con el fin de facilitar el posterior an\u00e1lisis.<\/p>\n\n\n\n<h6>FIltros por IP<\/h6>\n\n\n\n<pre class=\"wp-block-code\"><code># Filtrar por la IP del host\nip.addr == &lt;Host_IP>\n\n#Filtrar seg\u00fan sea origen\nip.src == &lt;Host_IP>\n\n#Filtrar seg\u00fan sea destino\nip.dst == &lt;Host_IP>\n\n#Exclu\u00edr 2 direcciones IP que no necesito\nnot(ip.addr == Host_IP)and not(ip.addr == Host_IP)\n<\/code><\/pre>\n\n\n\n<h6>Filtros por puerto<\/h6>\n\n\n\n<pre class=\"wp-block-code\"><code>tcp.port == 80<\/code><\/pre>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<h6>Filtros por protocolo<\/h6>\n\n\n\n<pre class=\"wp-block-code\"><code>#Para ver peticiones ARP\neth.type == 0x0806\n\n#Tambi\u00e9n se puede utilizar el filtro\narp\n\n#DNS\ndns\n\n#HTTP\nhttp<\/code><\/pre>\n\n\n\n<p><\/p>\n\n\n\n<h6>Filtros por flag<\/h6>\n\n\n\n<pre class=\"wp-block-code\"><code>#Bandera ACK viene vac\u00eda o Nula,interesante para detectar escaneos sigilosos\ntcp.flags.ack==0\n\n#Paquetes malformados, o repetidos en la transmisi\u00f3n.\ntcp.analysis.flags<\/code><\/pre>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<h6>Filtros combinados<\/h6>\n\n\n\n<pre class=\"wp-block-code\"><code>#Debe ser con OR ya que con and no se cumple el criterio\ndns or http\n\n#Filtro para eliminar ru\u00eddo en las capturas de tr\u00e1fico\n!(arp or dns or ssdp or stp)<\/code><\/pre>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>La mayor\u00eda de las veces las capturas de tr\u00e1fico suelen ser bastante extensas, dependiendo el tama\u00f1o de la red, servicios y [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":671,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/blog.thepragmatic.xyz\/index.php?rest_route=\/wp\/v2\/posts\/669"}],"collection":[{"href":"https:\/\/blog.thepragmatic.xyz\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.thepragmatic.xyz\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.thepragmatic.xyz\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.thepragmatic.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=669"}],"version-history":[{"count":17,"href":"https:\/\/blog.thepragmatic.xyz\/index.php?rest_route=\/wp\/v2\/posts\/669\/revisions"}],"predecessor-version":[{"id":764,"href":"https:\/\/blog.thepragmatic.xyz\/index.php?rest_route=\/wp\/v2\/posts\/669\/revisions\/764"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.thepragmatic.xyz\/index.php?rest_route=\/wp\/v2\/media\/671"}],"wp:attachment":[{"href":"https:\/\/blog.thepragmatic.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=669"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.thepragmatic.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=669"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.thepragmatic.xyz\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=669"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}