{"id":114415,"date":"2024-03-19T00:25:59","date_gmt":"2024-03-18T22:25:59","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/kiddy-modul-yadra-linux-dlya-zashhity-ot-skript-kiddi"},"modified":"2024-03-19T00:25:59","modified_gmt":"2024-03-18T22:25:59","slug":"kiddy-modul-yadra-linux-dlya-zashhity-ot-skript-kiddi","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/kiddy-modul-yadra-linux-dlya-zashhity-ot-skript-kiddi","title":{"rendered":"Kiddy \u2014 un m\u00f3dulo del n\u00facleo de Linux para protecci\u00f3n contra script kiddies","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex>      <noindex><\/p>\n<p><a rel=\"nofollow\" href=\"https:\/\/github.com\/milabs\/kiddy\">Kiddy<\/a> &ndash; m\u00f3dulo para el n\u00facleo de Linux, dise\u00f1ado para reducir los riesgos de explotaci\u00f3n de (algunas) vulnerabilidades del n\u00facleo.<\/p>\n<p><\/noindex><\/noindex> <\/p>\n<p>La base del mecanismo de protecci\u00f3n implementado en este m\u00f3dulo es una idea simple: durante un ataque, de alguna manera, se lleva a cabo la identificaci\u00f3n del objeto del ataque. Por lo tanto, si se dificulta dicha identificaci\u00f3n, se puede aumentar significativamente la complejidad de la explotaci\u00f3n, dado que en muchos casos los exploits listos incluyen tablas de diversos desplazamientos (offsets) correspondientes a las versiones del n\u00facleo objetivo.<\/p>\n<p> <noindex><\/p>\n<p>Por ejemplo, as\u00ed es como se hace para <a rel=\"nofollow\" href=\"https:\/\/github.com\/xairy\/kernel-exploits\/blob\/master\/CVE-2017-1000112\/poc.c#L91\">CVE-2017-1000112<\/a>. All\u00ed tambi\u00e9n se puede ver que la identificaci\u00f3n de la versi\u00f3n del n\u00facleo se realiza utilizando uname.<\/p>\n<p><\/noindex> <\/p>\n<p>El m\u00f3dulo desarrollado es f\u00e1cil de implementar y permite:<\/p>\n<ul>\n<li>cambiar la identificaci\u00f3n del n\u00facleo;<\/li>\n<li>limitar el acceso al registro del n\u00facleo (dmesg);<\/li>\n<li>limitar el acceso a algunos archivos en \/proc que tambi\u00e9n contienen informaci\u00f3n identificativa;<\/li>\n<li>limitar el acceso a archivos y carpetas que pueden contener informaci\u00f3n identificativa;<\/li>\n<li>cambiar la identificaci\u00f3n de la versi\u00f3n del n\u00facleo disponible a trav\u00e9s de vDSO.<\/li>\n<\/ul>\n<p>Durante el proceso de construcci\u00f3n, el m\u00f3dulo permite usar los llamados &laquo;presets&raquo;, que implementan diferentes l\u00f3gicas para cambiar la identificaci\u00f3n. Por ejemplo, usando el preset &laquo;windows&raquo; se puede obtener el siguiente comportamiento:<\/p>\n<p><strong>Antes de cargar el m\u00f3dulo<\/strong><\/p>\n<p> $ .\\\/misc\\\/id.sh ** FILTRACIONES de identidad UNAME  &#8212; uname -r    2.6.32-754.35.1.el6.x86_64  &#8212; uname -v    #1 SMP Sat Nov 7 12:42:14 UTC 2020  &#8212; uname -a    Linux localhost.localdomain 2.6.32-754.35.1.el6.x86_64 #1 SMP Sat Nov 7 12:42:14 UTC 2020 x86_64 x86_64 x86_64 GNU\\\/Linux ** FILTRACIONES de identidad PROCFS  &#8212; \\\/proc\\\/cmdline    ro root=\\\/dev\\\/mapper\\\/VolGroup00-LogVol00 rd_NO_LUKS no_timer_check console=tty0 console=ttyS0,115200n8 net.ifnames=0 biosdevname=0 LANG=en_US.UTF-8 rd_NO_MD SYSFONT=latarcyrheb-sun16  rd_LVM_LV=VolGroup00\\\/LogVol01 rd_LVM_LV=VolGroup00\\\/LogVol00  KEYBOARDTYPE=pc KEYTABLE=us rd_NO_DM rhgb quiet  &#8212; \\\/proc\\\/version    versi\u00f3n de Linux 2.6.32-754.35.1.el6.x86_64 (mockbuild@x86-02.bsys.centos.org) (versi\u00f3n de gcc 4.4.7 20120313 (Red Hat 4.4.7-23) (GCC) ) #1 SMP Sat Nov 7 12:42:14 UTC 2020  &#8212; \\\/proc\\\/sys\\\/kernel\\\/version    #1 SMP Sat Nov 7 12:42:14 UTC 2020  &#8212; \\\/proc\\\/sys\\\/kernel\\\/osrelease    2.6.32-754.35.1.el6.x86_64 which: no hostnamectl en (\\\/usr\\\/local\\\/bin:\\\/bin:\\\/usr\\\/bin:\\\/usr\\\/local\\\/sbin:\\\/usr\\\/sbin:\\\/sbin:\\\/home\\\/vagrant\\\/bin)   <\/p>\n<p><strong>Despu\u00e9s de cargar el m\u00f3dulo<\/strong><\/p>\n<p> $ .\\\/misc\\\/id.sh ** FILTRACIONES de identidad UNAME  &#8212; uname -r    Windows  &#8212; uname -v    NT 4.0  &#8212; uname -a    Linux localhost.localdomain Windows NT 4.0 x86_64 x86_64 x86_64 GNU\\\/Linux ** FILTRACIONES de identidad PROCFS  &#8212; \\\/proc\\\/cmdline    EFIMicrosoftBootbootmgfw.efi  &#8212; \\\/proc\\\/version    Windows NT 4.0  &#8212; \\\/proc\\\/sys\\\/kernel\\\/version    NT 4.0  &#8212; \\\/proc\\\/sys\\\/kernel\\\/osrelease    Windows which: no hostnamectl en (\\\/usr\\\/local\\\/bin:\\\/bin:\\\/usr\\\/bin:\\\/usr\\\/local\\\/sbin:\\\/usr\\\/sbin:\\\/sbin:\\\/home\\\/vagrant\\\/bin)   <\/p>\n<p>\u00a1Los scripts kiddie no pasar\u00e1n!<\/p>\n<p>Fuente: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.linux.org.ru\/news\/security\/17555973\">linux.org.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>Kiddy &ndash; \u043c\u043e\u0434\u0443\u043b\u044c \u0434\u043b\u044f \u044f\u0434\u0440\u0430 Linux, \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u043d\u044b\u0439 \u0441 \u0446\u0435\u043b\u044c\u044e \u0441\u043d\u0438\u0436\u0435\u043d\u0438\u044f \u0440\u0438\u0441\u043a\u043e\u0432 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438 (\u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0445) \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u044f\u0434\u0440\u0430. \u0412 \u043e\u0441\u043d\u043e\u0432\u0435 \u043c\u0435\u0445\u0430\u043d\u0438\u0437\u043c\u0430 \u0437\u0430\u0449\u0438\u0442\u044b, \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u0432 \u0434\u0430\u043d\u043d\u043e\u043c \u043c\u043e\u0434\u0443\u043b\u0435, \u043b\u0435\u0436\u0438\u0442 \u043f\u0440\u043e\u0441\u0442\u0430\u044f \u0438\u0434\u0435\u044f, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u0437\u0430\u043a\u043b\u044e\u0447\u0430\u0435\u0442\u0441\u044f \u0432 \u0442\u043e\u043c, \u0447\u0442\u043e \u0432 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u0435 \u0430\u0442\u0430\u043a\u0438 \u0442\u0430\u043a \u0438\u043b\u0438 \u0438\u043d\u0430\u0447\u0435 \u043f\u0440\u043e\u0438\u0441\u0445\u043e\u0434\u0438\u0442 \u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044f \u043e\u0431\u044a\u0435\u043a\u0442\u0430 \u0430\u0442\u0430\u043a\u0438. \u041f\u043e\u044d\u0442\u043e\u043c\u0443, \u0435\u0441\u043b\u0438 \u0437\u0430\u0442\u0440\u0443\u0434\u043d\u0438\u0442\u044c \u0442\u0430\u043a\u0443\u044e \u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u044e, \u043c\u043e\u0436\u043d\u043e \u043a\u0440\u0430\u0442\u043d\u043e \u043f\u043e\u0432\u044b\u0441\u0438\u0442\u044c \u0441\u043b\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438, \u0442.\u043a. \u0432\u043e \u043c\u043d\u043e\u0436\u0435\u0441\u0442\u0432\u0435 \u0441\u043b\u0443\u0447\u0430\u0435\u0432 [&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-114415","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"Kiddy \u2013 \u043c\u043e\u0434\u0443\u043b\u044c \u0434\u043b\u044f \u044f\u0434\u0440\u0430 Linux, \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u043d\u044b\u0439 \u0441 \u0446\u0435\u043b\u044c\u044e \u0441\u043d\u0438\u0436\u0435\u043d\u0438\u044f \u0440\u0438\u0441\u043a\u043e\u0432 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438 (\u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0445) \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u044f\u0434\u0440\u0430..\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" content=\"Yuri Gagarin\"\/>\n\t<link rel=\"canonical\" href=\"https:\/\/prohoster.info\/es\/blog\/news\/kiddy-modul-yadra-linux-dlya-zashhity-ot-skript-kiddi\" \/>\n\t<meta name=\"generator\" content=\"All in One SEO (AIOSEO) 5.0.2\" \/>\n\t\t<meta property=\"og:locale\" content=\"es_ES\" \/>\n\t\t<meta property=\"og:site_name\" content=\"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b\" \/>\n\t\t<meta property=\"og:type\" content=\"article\" \/>\n\t\t<meta property=\"og:title\" content=\"\ud83e\udd47Kiddy \u2014 \u043c\u043e\u0434\u0443\u043b\u044c \u044f\u0434\u0440\u0430 Linux \u0434\u043b\u044f \u0437\u0430\u0449\u0438\u0442\u044b \u043e\u0442 \u0441\u043a\u0440\u0438\u043f\u0442-\u043a\u0438\u0434\u0434\u0438 | ProHoster\" \/>\n\t\t<meta property=\"og:description\" content=\"Kiddy \u2013 \u043c\u043e\u0434\u0443\u043b\u044c \u0434\u043b\u044f \u044f\u0434\u0440\u0430 Linux, \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u043d\u044b\u0439 \u0441 \u0446\u0435\u043b\u044c\u044e \u0441\u043d\u0438\u0436\u0435\u043d\u0438\u044f \u0440\u0438\u0441\u043a\u043e\u0432 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438 (\u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0445) \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u044f\u0434\u0440\u0430..\" \/>\n\t\t<meta property=\"og:url\" content=\"https:\/\/prohoster.info\/es\/blog\/news\/kiddy-modul-yadra-linux-dlya-zashhity-ot-skript-kiddi\" \/>\n\t\t<meta property=\"og:image\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:secure_url\" content=\"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg\" \/>\n\t\t<meta property=\"og:image:width\" content=\"350\" \/>\n\t\t<meta property=\"og:image:height\" content=\"350\" \/>\n\t\t<meta property=\"article:published_time\" content=\"2024-03-18T22:25:59+00:00\" \/>\n\t\t<meta property=\"article:modified_time\" content=\"2024-03-18T22:25:59+00:00\" \/>\n\t\t<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/prohoster\" \/>\n\t\t<!-- All in One SEO -->\n\n","aioseo_head_json":{"title":"\ud83e\udd47Kiddy \u2014 m\u00f3dulo del n\u00facleo de Linux para proteger contra script kiddies | ProHoster","description":"Kiddy \u2013 un m\u00f3dulo para el n\u00facleo de Linux, dise\u00f1ado para reducir los riesgos de explotaci\u00f3n de (algunas) vulnerabilidades del n\u00facleo.","canonical_url":"https:\/\/prohoster.info\/es\/blog\/news\/kiddy-modul-yadra-linux-dlya-zashhity-ot-skript-kiddi","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"es_ES","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47Kiddy \u2014 \u043c\u043e\u0434\u0443\u043b\u044c \u044f\u0434\u0440\u0430 Linux \u0434\u043b\u044f \u0437\u0430\u0449\u0438\u0442\u044b \u043e\u0442 \u0441\u043a\u0440\u0438\u043f\u0442-\u043a\u0438\u0434\u0434\u0438 | ProHoster","og:description":"Kiddy \u2013 \u043c\u043e\u0434\u0443\u043b\u044c \u0434\u043b\u044f \u044f\u0434\u0440\u0430 Linux, \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u043d\u044b\u0439 \u0441 \u0446\u0435\u043b\u044c\u044e \u0441\u043d\u0438\u0436\u0435\u043d\u0438\u044f \u0440\u0438\u0441\u043a\u043e\u0432 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438 (\u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0445) \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u044f\u0434\u0440\u0430..","og:url":"https:\/\/prohoster.info\/es\/blog\/news\/kiddy-modul-yadra-linux-dlya-zashhity-ot-skript-kiddi","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2024-03-18T22:25:59+00:00","article:modified_time":"2024-03-18T22:25:59+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":[],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/es\/wp-json\/wp\/v2\/posts\/114415","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/es\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/es\/wp-json\/wp\/v2\/comments?post=114415"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/es\/wp-json\/wp\/v2\/posts\/114415\/revisions"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/es\/wp-json\/wp\/v2\/media?parent=114415"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/es\/wp-json\/wp\/v2\/categories?post=114415"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/es\/wp-json\/wp\/v2\/tags?post=114415"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}