{"id":4351,"date":"2012-07-05T09:40:39","date_gmt":"2012-07-05T12:40:39","guid":{"rendered":"http:\/\/www.ethicalhacker.com.br\/site\/?p=4351"},"modified":"2019-07-18T12:31:57","modified_gmt":"2019-07-18T15:31:57","slug":"identificacao-de-banners-com-netcat","status":"publish","type":"post","link":"https:\/\/www.ethicalhacker.com.br\/site\/2012\/07\/tutorial-backtrack\/identificacao-de-banners-com-netcat\/","title":{"rendered":"Identifica\u00e7\u00e3o de Banners com NETCAT"},"content":{"rendered":"<ul>\n<li><strong>Banner Grabbing<\/strong>: NETCAT<\/li>\n<li><strong style=\"text-align: justify;\">Requisitos: NETCAT<\/strong><\/li>\n<li><strong style=\"text-align: justify;\">Contramedidas:<\/strong><span style=\"text-align: justify;\"> Desinstalar ou desabilitar servi\u00e7os desnecess\u00e1rios, exemplo: TELNET, SSH, VPN, ou alterar os banners.<\/span><\/li>\n<\/ul>\n<p style=\"text-align: justify;\">Neste pequeno artigo mostrarei como obter informa\u00e7\u00f5es referentes a banners de aplica\u00e7\u00f5es utilizando o NETCAT (conhecido com canivete sui\u00e7o) .<\/p>\n<p style=\"text-align: justify;\">As informa\u00e7\u00f5es obtidas atrav\u00e9s da t\u00e9cnica de banner grabbing podem ser utilizadas para ataques posteriores.<\/p>\n<ol>\n<li>Obtendo banner de servidores WEB:<\/li>\n<\/ol>\n<p><a href=\"http:\/\/www.ethicalhacker.com.br\/site\/wp-content\/uploads\/14.png\" class=\"gallery_colorbox\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-medium wp-image-4353\" title=\"http\" src=\"http:\/\/www.ethicalhacker.com.br\/site\/wp-content\/uploads\/14-300x155.png\"  alt=\"\" width=\"300\" height=\"155\" srcset=\"https:\/\/www.ethicalhacker.com.br\/site\/wp-content\/uploads\/14-300x155.png 300w, https:\/\/www.ethicalhacker.com.br\/site\/wp-content\/uploads\/14.png 724w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>2. Obtendo banner FTP:<\/p>\n<p><a href=\"http:\/\/www.ethicalhacker.com.br\/site\/wp-content\/uploads\/24.png\" class=\"gallery_colorbox\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-medium wp-image-4354\" title=\"ftp\" src=\"http:\/\/www.ethicalhacker.com.br\/site\/wp-content\/uploads\/24-300x157.png\"  alt=\"\" width=\"300\" height=\"157\" srcset=\"https:\/\/www.ethicalhacker.com.br\/site\/wp-content\/uploads\/24-300x157.png 300w, https:\/\/www.ethicalhacker.com.br\/site\/wp-content\/uploads\/24.png 732w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>3. Obtendo banner SSH:<\/p>\n<p><a href=\"http:\/\/www.ethicalhacker.com.br\/site\/wp-content\/uploads\/31.png\" class=\"gallery_colorbox\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft size-medium wp-image-4355\" title=\"ssh\" src=\"http:\/\/www.ethicalhacker.com.br\/site\/wp-content\/uploads\/31-300x157.png\"  alt=\"\" width=\"300\" height=\"157\" srcset=\"https:\/\/www.ethicalhacker.com.br\/site\/wp-content\/uploads\/31-300x157.png 300w, https:\/\/www.ethicalhacker.com.br\/site\/wp-content\/uploads\/31.png 734w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>&nbsp;<\/p>\n<p>Apesar da t\u00e9cnica ser bem simples, pode ser tamb\u00e9m uma amea\u00e7a.<\/p>\n<p>At\u00e9 a pr\u00f3xima !<\/p>\n<p>&nbsp;<\/p>\n\r\n\t\t<div class='author-shortcodes'>\r\n\t\t\t<div class='author-inner'>\r\n\t\t\t\t<div class='author-image'>\r\n\t\t\t<img src='https:\/\/www.ethicalhacker.com.br\/site\/wp-content\/uploads\/186048_100001838322519_1550894_n-11668_57x57.jpg' alt='' \/>\r\n\t\t\t<div class='author-overlay'><\/div>\r\n\t\t<\/div> <!-- .author-image --> \r\n\t\t<div class='author-info'>\r\n\t\t\t<p>Autor:\u00a0<strong>S\u00edlvio C\u00e9sar Roxo Giavaroto<\/strong><\/p>\n<p>\u00c9 MBA Especialista em Gest\u00e3o de Seguran\u00e7a da Informa\u00e7\u00e3o,\nTecn\u00f3logo em Redes de Computadores, C|EH Certified Ethical Hacker,\natua como Pentest e Analista de Seguran\u00e7a em Servidores Linux no\nGoverno do Estado de S\u00e3o Paulo, Professor Universit\u00e1rio , \u00a0Instrutor\nC|EH e C|HFI.<\/p>\n<p><em>\u00a0<\/em>\r\n\t\t<\/div> <!-- .author-info --><\/p>\r\n\t\t\t<\/div> <!-- .author-inner -->\r\n\t\t<\/div> <!-- .author-shortcodes -->\n","protected":false},"excerpt":{"rendered":"<p>Banner Grabbing: NETCAT Requisitos: NETCAT Contramedidas: Desinstalar ou desabilitar servi\u00e7os desnecess\u00e1rios, exemplo: TELNET, SSH, VPN, ou alterar os banners. Neste pequeno artigo mostrarei como obter informa\u00e7\u00f5es referentes a banners de aplica\u00e7\u00f5es utilizando o NETCAT (conhecido com canivete sui\u00e7o) . As informa\u00e7\u00f5es obtidas atrav\u00e9s da t\u00e9cnica de banner grabbing podem ser utilizadas para ataques posteriores. Obtendo [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4352,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[101],"tags":[],"class_list":["post-4351","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tutorial-backtrack"],"_links":{"self":[{"href":"https:\/\/www.ethicalhacker.com.br\/site\/wp-json\/wp\/v2\/posts\/4351","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ethicalhacker.com.br\/site\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ethicalhacker.com.br\/site\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ethicalhacker.com.br\/site\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ethicalhacker.com.br\/site\/wp-json\/wp\/v2\/comments?post=4351"}],"version-history":[{"count":5,"href":"https:\/\/www.ethicalhacker.com.br\/site\/wp-json\/wp\/v2\/posts\/4351\/revisions"}],"predecessor-version":[{"id":4714,"href":"https:\/\/www.ethicalhacker.com.br\/site\/wp-json\/wp\/v2\/posts\/4351\/revisions\/4714"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ethicalhacker.com.br\/site\/wp-json\/wp\/v2\/media\/4352"}],"wp:attachment":[{"href":"https:\/\/www.ethicalhacker.com.br\/site\/wp-json\/wp\/v2\/media?parent=4351"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ethicalhacker.com.br\/site\/wp-json\/wp\/v2\/categories?post=4351"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ethicalhacker.com.br\/site\/wp-json\/wp\/v2\/tags?post=4351"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}