{"id":79171,"date":"2020-04-25T01:42:02","date_gmt":"2020-04-24T23:42:02","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/finalnyj-beta-vypusk-sistemy-obnaruzheniya-atak-snort-3"},"modified":"2020-04-25T01:42:02","modified_gmt":"2020-04-24T23:42:02","slug":"finalnyj-beta-vypusk-sistemy-obnaruzheniya-atak-snort-3","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/finalnyj-beta-vypusk-sistemy-obnaruzheniya-atak-snort-3","title":{"rendered":"Lan\u00e7amento beta final do sistema de detec\u00e7\u00e3o de intrus\u00f5es Snort 3","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Cisco <noindex><a rel=\"nofollow\" href=\"https:\/\/blog.snort.org\/2020\/04\/snort-beta-available-now.html\">apresentou<\/a><\/noindex> a vers\u00e3o beta final do sistema de preven\u00e7\u00e3o de intrus\u00f5es totalmente reestruturada <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/snort3\/snort3\">Snort 3<\/a><\/noindex>, tamb\u00e9m conhecido como projeto Snort++, cujo desenvolvimento tem ocorrido intermitentemente desde 2005. Um candidato a lan\u00e7amento est\u00e1 previsto para ser publicado ainda este ano.<\/p>\n<p>Nesta nova vers\u00e3o, o conceito do produto foi completamente repensado e a arquitetura reformulada. Entre os focos da nova vers\u00e3o est\u00e3o a simplifica\u00e7\u00e3o da configura\u00e7\u00e3o e inicializa\u00e7\u00e3o do Snort, a automa\u00e7\u00e3o da configura\u00e7\u00e3o, simplifica\u00e7\u00e3o da linguagem de regras, detec\u00e7\u00e3o autom\u00e1tica de todos os protocolos, oferta de uma interface de gerenciamento via linha de comando e o uso ativo de multithreading com acesso compartilhado de diferentes processadores a uma \u00fanica configura\u00e7\u00e3o. <\/p>\n<p>As seguintes inova\u00e7\u00f5es significativas foram implementadas:<\/p>\n<ul>\n<li class=\"l\"> Uma nova sistema de configura\u00e7\u00e3o foi introduzido, oferecendo uma sintaxe simplificada e permitindo o uso de scripts para a cria\u00e7\u00e3o din\u00e2mica de configura\u00e7\u00f5es. O LuaJIT \u00e9 usado para processar arquivos de configura\u00e7\u00e3o. Plugins baseados em LuaJIT oferecem op\u00e7\u00f5es adicionais para regras e para o sistema de registro;\n<\/li>\n<li class=\"l\"> O mecanismo de detec\u00e7\u00e3o de intrus\u00f5es foi modernizado, as regras foram atualizadas e foi adicionada a capacidade de atachar buffers nas regras (sticky buffers). O mecanismo de busca Hyperscan foi utilizado, permitindo o uso de padr\u00f5es r\u00e1pidos e mais precisos nas regras com base em express\u00f5es regulares;\n<\/li>\n<li class=\"l\"> Um novo modo de introspec\u00e7\u00e3o para HTTP foi adicionado, levando em considera\u00e7\u00e3o o estado da sess\u00e3o e abrangendo 99% das situa\u00e7\u00f5es suportadas pelo conjunto de testes <noindex><a rel=\"nofollow\" href=\"https:\/\/noxxi.de\/research\/http-evader.html\">HTTP Evader<\/a><\/noindex>. Um c\u00f3digo para suporte ao HTTP\/2 est\u00e1 em desenvolvimento;\n<\/li>\n<li class=\"l\"> A performance do modo de inspe\u00e7\u00e3o profunda de pacotes foi significativamente aumentada. Agora \u00e9 poss\u00edvel o processamento de pacotes em m\u00faltiplas threads, permitindo a execu\u00e7\u00e3o simult\u00e2nea de v\u00e1rias threads com processadores de pacotes e garantindo escalabilidade linear em rela\u00e7\u00e3o ao n\u00famero de n\u00facleos da CPU;\n<\/li>\n<li class=\"l\"> Um reposit\u00f3rio de configura\u00e7\u00e3o e uma tabela de atributos foram implementados, sendo este compartilhado entre diferentes subsistemas, o que reduziu consideravelmente o consumo de mem\u00f3ria ao eliminar a duplica\u00e7\u00e3o de informa\u00e7\u00f5es.\n<\/li>\n<li class=\"l\"> Um novo sistema de registro de eventos que utiliza o formato JSON e \u00e9 facilmente integr\u00e1vel com plataformas externas, como o Elastic Stack;\n<\/li>\n<li class=\"l\"> Transi\u00e7\u00e3o para uma arquitetura modular, com capacidade de expandir a funcionalidade atrav\u00e9s da conex\u00e3o de plugins e implementa\u00e7\u00e3o de subsistemas-chave na forma de plugins substitu\u00edveis. Atualmente, j\u00e1 existem centenas de plugins implementados para o Snort 3 que cobrem v\u00e1rias \u00e1reas de aplica\u00e7\u00e3o, permitindo, por exemplo, adicionar seus pr\u00f3prios codecs, modos de introspec\u00e7\u00e3o, m\u00e9todos de registro, a\u00e7\u00f5es e op\u00e7\u00f5es nas regras;\n<\/li>\n<li class=\"l\"> Detec\u00e7\u00e3o autom\u00e1tica de servi\u00e7os em execu\u00e7\u00e3o, eliminando a necessidade de especificar manualmente as portas de rede ativas.\n<\/ul>\n<p>Mudan\u00e7as em rela\u00e7\u00e3o \u00e0 \u00faltima vers\u00e3o de teste, que foi publicada em 2018:<\/p>\n<ul>\n<li class=\"l\"> Adicionada suporte para arquivos para r\u00e1pida substitui\u00e7\u00e3o de configura\u00e7\u00f5es em rela\u00e7\u00e3o \u00e0 configura\u00e7\u00e3o padr\u00e3o;\n<li class=\"l\"> O c\u00f3digo agora permite o uso de constru\u00e7\u00f5es C++ definidas no padr\u00e3o C++14 (\u00e9 necess\u00e1rio um compilador que suporte C++14 para a compila\u00e7\u00e3o);\n<li class=\"l\"> Adicionado um novo manipulador VXLAN;\n<li class=\"l\"> Melhorada a busca de tipos de conte\u00fado pelo conte\u00fado usando implementa\u00e7\u00f5es alternativas atualizadas dos algoritmos <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%90%D0%BB%D0%B3%D0%BE%D1%80%D0%B8%D1%82%D0%BC_%D0%91%D0%BE%D0%B9%D0%B5%D1%80%D0%B0_%E2%80%94_%D0%9C%D1%83%D1%80%D0%B0\">Boyer-Moore<\/a><\/noindex> e <noindex><a rel=\"nofollow\" href=\"https:\/\/www.hyperscan.io\/\">Hyperscan<\/a><\/noindex>;\n<li class=\"l\"> O sistema de inspe\u00e7\u00e3o de tr\u00e1fego HTTP\/2 est\u00e1 praticamente pronto;\n<li class=\"l\"> Aprimorada a inicializa\u00e7\u00e3o atrav\u00e9s do uso de m\u00faltiplas threads para compilar grupos de regras;\n<li class=\"l\"> Adicionado um novo mecanismo de registro;\n<li class=\"l\"> Melhorada a detec\u00e7\u00e3o de erros Lua e otimizado o funcionamento de listas brancas;\n<li class=\"l\"> Mudan\u00e7as realizadas para implementar a recarga de configura\u00e7\u00f5es em tempo real;\n<li class=\"l\"> Adicionado um sistema de inspe\u00e7\u00e3o RNA (Real-time Network Awareness), coletando informa\u00e7\u00f5es sobre recursos, hosts, aplicativos e servi\u00e7os dispon\u00edveis na rede;\n<li class=\"l\"> Para simplificar a configura\u00e7\u00e3o, o uso de snort_config.lua e SNORT_LUA_PATH foi descontinuado.\n<\/ul>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fonte: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52799\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Cisco \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0430 \u0444\u0438\u043d\u0430\u043b\u044c\u043d\u0443\u044e \u0431\u0435\u0442\u0430-\u0432\u0435\u0440\u0441\u0438\u044e \u043f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u043f\u0435\u0440\u0435\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b \u043f\u0440\u0435\u0434\u043e\u0442\u0432\u0440\u0430\u0449\u0435\u043d\u0438\u044f \u0430\u0442\u0430\u043a Snort 3, \u0442\u0430\u043a\u0436\u0435 \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u043e\u0439 \u043a\u0430\u043a \u043f\u0440\u043e\u0435\u043a\u0442 Snort++, \u0440\u0430\u0431\u043e\u0442\u0430 \u043d\u0430\u0434 \u043a\u043e\u0442\u043e\u0440\u044b\u043c \u0441 \u043f\u0435\u0440\u0435\u0440\u044b\u0432\u0430\u043c\u0438 \u0432\u0435\u0434\u0451\u0442\u0441\u044f \u0435\u0449\u0451 \u0441 2005 \u0433\u043e\u0434\u0430. \u041f\u043e\u0437\u0434\u043d\u0435\u0435 \u0432 \u044d\u0442\u043e\u043c \u0433\u043e\u0434\u0443 \u043f\u043b\u0430\u043d\u0438\u0440\u0443\u0435\u0442\u0441\u044f \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u0442\u044c \u043a\u0430\u043d\u0434\u0438\u0434\u0430\u0442 \u0432 \u0440\u0435\u043b\u0438\u0437\u044b. \u0412 \u043d\u043e\u0432\u043e\u0439 \u0432\u0435\u0442\u043a\u0435 \u043f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u043f\u0435\u0440\u0435\u043e\u0441\u043c\u044b\u0441\u043b\u0435\u043d\u0430 \u043a\u043e\u043d\u0446\u0435\u043f\u0446\u0438\u044f \u043f\u0440\u043e\u0434\u0443\u043a\u0442\u0430 \u0438 \u043f\u0435\u0440\u0435\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u0430 \u0430\u0440\u0445\u0438\u0442\u0435\u043a\u0442\u0443\u0440\u0430. \u0418\u0437 \u043d\u0430\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0438\u0439, \u043d\u0430 \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0431\u044b\u043b \u0441\u0434\u0435\u043b\u0430\u043d \u0430\u043a\u0446\u0435\u043d\u0442 \u043f\u0440\u0438 \u043f\u043e\u0434\u0433\u043e\u0442\u043e\u0432\u043a\u0435 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-79171","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.3 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Cisco \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b\u0430 \u0444\u0438\u043d\u0430\u043b\u044c\u043d\u0443\u044e \u0431\u0435\u0442\u0430-\u0432\u0435\u0440\u0441\u0438\u044e \u043f\u043e\u043b\u043d\u043e\u0441\u0442\u044c\u044e \u043f\u0435\u0440\u0435\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u044b 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