{"id":72851,"date":"2020-03-05T02:41:57","date_gmt":"2020-03-04T23:41:57","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vozmozhnost-registraczii-fishingovyh-domenov-s-pohozhimi-unicode-simvolami-v-imeni"},"modified":"2020-03-05T02:41:57","modified_gmt":"2020-03-04T23:41:57","slug":"vozmozhnost-registraczii-fishingovyh-domenov-s-pohozhimi-unicode-simvolami-v-imeni","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/vozmozhnost-registraczii-fishingovyh-domenov-s-pohozhimi-unicode-simvolami-v-imeni","title":{"rendered":"La posibilidad de registrar dominios de phishing con s\u00edmbolos unicode similares en el nombre","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Investigadores de la empresa Soluble <noindex><a rel=\"nofollow\" href=\"https:\/\/www.soluble.ai\/blog\/public-disclosure-emoji-to-zero-day\">detectaron<\/a><\/noindex> un nuevo m\u00e9todo de registro de dominios con <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%9E%D0%BC%D0%BE%D0%B3%D0%BB%D0%B8%D1%84\">hom\u00f3grafos<\/a><\/noindex>, que se parecen externamente a otros dominios, pero se diferencian realmente debido a la presencia de s\u00edmbolos con diferentes significados. Tales dominios internacionalizados (<noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/IDN\">IDN<\/a><\/noindex>) a primera vista pueden no distinguirse de los dominios de empresas y servicios conocidos, lo que permite su uso para el phishing, incluy\u00e9ndose la obtenci\u00f3n de certificados TLS correctos para ellos.<\/p>\n<p>La suplantaci\u00f3n cl\u00e1sica a trav\u00e9s de un dominio IDN similar ha sido bloqueada en los navegadores y registradores debido a la prohibici\u00f3n de mezclar caracteres de diferentes alfabetos. Por ejemplo, no se puede crear un dominio sustituto a\uf8ffple.com (&#171;xn--pple-43d.com&#187;) al reemplazar la 'a' latina (U+0061) por la '\u0430' cir\u00edlica (U+0430), ya que no se permite mezclar letras de diferentes alfabetos en el dominio. En 2017, se <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=46394\">en la dependencia del paquete NPM event-stream, y el c\u00f3digo malicioso se hab\u00eda descargado aproximadamente 8 millones de veces. Los paquetes malignos tambi\u00e9n<\/a><\/noindex> una forma de eludir dicha protecci\u00f3n mediante el uso de solo caracteres unicode en el dominio, sin utilizar caracteres latinos (por ejemplo, mediante el uso de s\u00edmbolos de idiomas con caracteres similares a los latinos).<\/p>\n<p>Ahora se ha encontrado otro m\u00e9todo para eludir la protecci\u00f3n, basado en el hecho de que los registradores bloquean la mezcla de lat\u00edn y Unicode, pero si los caracteres Unicode especificados en el dominio pertenecen al grupo de caracteres latinos, se permite esta mezcla, ya que los caracteres pertenecen al mismo alfabeto. El problema es que en la extensi\u00f3n <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/IPA_Extensions\">Unicode Latin IPA<\/a><\/noindex> hay hom\u00f3grafos que se parecen por escrito a otros s\u00edmbolos del alfabeto latino:<br \/>\ns\u00edmbolo &#171;<noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Latin_alpha\">&#593;<\/a><\/noindex>&#187; se asemeja a &#171;a&#187;, &#171;<noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Voiced_velar_stop\">&#609;<\/a><\/noindex>&#187; &#8212; &#171;g&#187;, &#171;<noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Latin_iota\">&#617;<\/a><\/noindex>&#187; &#8212; &#171;l&#187;. <\/p>\n<p><center><noindex><a rel=\"nofollow\" href=\"https:\/\/www.soluble.ai\/hs-fs\/hubfs\/homoglyph4.jpeg?width=888&#038;name=homoglyph4.jpeg\"><img decoding=\"async\" alt=\"La posibilidad de registrar dominios de phishing con s\u00edmbolos unicode similares en el nombre\" src=\"\/wp-content\/uploads\/2020\/03\/4c7ab1abba84d76486b24d2c9e34017e.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<p>La posibilidad de registrar dominios donde el alfabeto latino se mezcla con los s\u00edmbolos Unicode especificados fue identificada en el registrador Verisign (no se verificaron otros registradores), y se pudieron crear subdominios en servicios como Amazon, Google, Wasabi y DigitalOcean. El problema fue descubierto en noviembre del a\u00f1o pasado y, a pesar de las notificaciones enviadas, despu\u00e9s de tres meses, solo fue solucionado en el \u00faltimo momento en Amazon y Verisign.<\/p>\n<p>Durante el experimento, los investigadores gastaron 400 d\u00f3lares para registrar en Verisign los siguientes dominios:<\/p>\n<ul>\n<li> am&#593;zon.com\n<li> ch&#593;se.com\n<li> s&#593;lesforce.com\n<li> &#609;m&#593;il.com\n<li> &#593;pp&#617;e.com\n<li> eb&#593;y.com\n<li> &#609;static.com\n<li> ste&#593;mpowered.com\n<li> the&#609;uardian.com\n<li> thever&#609;e.com\n<li> washin&#609;tonpost.com\n<li> p&#593;yp&#593;&#617;.com\n<li> w&#593;lm&#593;rt.com\n<li> w&#593;s&#593;bisys.com\n<li> y&#593;hoo.com\n<li> c&#617;oudf&#617;are.com\n<li> de&#617;&#617;.com\n<li> gm&#593;i&#617;.com\n<li> goo&#609;leapis.com\n<li> huffin&#609;tonpost.com\n<li> insta&#609;ram.com\n<li> microsofton&#617;ine.com\n<li> &#593;m&#593;zon&#593;ws.com\n<li> &#593;ndroid.com\n<li> netf&#617;ix.com\n<li> nvidi&#593;.com\n<li> &#609;oog&#617;e.com\n<\/ul>\n<p>Los investigadores tambi\u00e9n lanzaron <noindex><a rel=\"nofollow\" href=\"https:\/\/homoglyphs.storage.googleapis.com\">un servicio online<\/a><\/noindex> para verificar sus dominios en busca de posibles alternativas con homoglifos, incluyendo la verificaci\u00f3n de dominios ya registrados y certificados TLS con nombres similares. En cuanto a los certificados HTTPS, se han verificado 300 dominios con homoglifos a trav\u00e9s de los registros de Certificate Transparency, de los cuales se ha registrado la generaci\u00f3n de certificados para 15. <\/p>\n<p>Los navegadores actuales Chrome y Firefox muestran dominios similares en la barra de direcciones con la notaci\u00f3n prefijada &#171;xn--&#171;, sin embargo, en los enlaces, los dominios aparecen sin transformaci\u00f3n, lo que se puede usar para insertar en p\u00e1ginas de recursos maliciosos o enlaces, haci\u00e9ndose pasar por descargas desde sitios leg\u00edtimos. Por ejemplo, en uno de los dominios detectados con hom\u00f3grafos se registr\u00f3 la distribuci\u00f3n de una variante maliciosa de la biblioteca jQuery.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fuente: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52479\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0418\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u0438 \u0438\u0437 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Soluble \u0432\u044b\u044f\u0432\u0438\u043b\u0438 \u043d\u043e\u0432\u044b\u0439 \u0441\u043f\u043e\u0441\u043e\u0431 \u0440\u0435\u0433\u0438\u0441\u0442\u0440\u0430\u0446\u0438\u0438 \u0434\u043e\u043c\u0435\u043d\u043e\u0432 \u0441 \u043e\u043c\u043e\u0433\u043b\u0438\u0444\u0430\u043c\u0438, \u0432\u043d\u0435\u0448\u043d\u0435 \u043f\u043e\u0445\u043e\u0436\u0438\u043c\u0438 \u043d\u0430 \u0434\u0440\u0443\u0433\u0438\u0435 \u0434\u043e\u043c\u0435\u043d\u044b, \u043d\u043e \u0444\u0430\u043a\u0442\u0438\u0447\u0435\u0441\u043a\u0438 \u043e\u0442\u043b\u0438\u0447\u0430\u044e\u0449\u0438\u0435\u0441\u044f \u0438\u0437-\u0437\u0430 \u043d\u0430\u043b\u0438\u0447\u0438\u044f \u0441\u0438\u043c\u0432\u043e\u043b\u043e\u0432 \u0441 \u0438\u043d\u044b\u043c \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435\u043c. \u041f\u043e\u0434\u043e\u0431\u043d\u044b\u0435 \u0438\u043d\u0442\u0435\u0440\u043d\u0430\u0446\u0438\u043e\u043d\u0430\u043b\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0435 \u0434\u043e\u043c\u0435\u043d\u044b (IDN) \u043c\u043e\u0433\u0443\u0442 \u043d\u0430 \u043f\u0435\u0440\u0432\u044b\u0439 \u0432\u0437\u0433\u043b\u044f\u0434 \u043d\u0435 \u043e\u0442\u043b\u0438\u0447\u0430\u0442\u044c\u0441\u044f \u043e\u0442 \u0434\u043e\u043c\u0435\u043d\u043e\u0432 \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u044b\u0445 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0439 \u0438 \u0441\u0435\u0440\u0432\u0438\u0441\u043e\u0432, \u0447\u0442\u043e \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0438\u0445 \u0434\u043b\u044f \u0444\u0438\u0448\u0438\u043d\u0433\u0430, \u0432 \u0442\u043e\u043c \u0447\u0438\u0441\u043b\u0435 \u043f\u043e\u043b\u0443\u0447\u0430\u044f \u0434\u043b\u044f \u043d\u0438\u0445 \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u043d\u044b\u0435 TLS-\u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u044b. [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":72852,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-72851","post","type-post","status-publish","format-standard","has-post-thumbnail","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=\"\u0418\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u0438 \u0438\u0437 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Soluble \u0432\u044b\u044f\u0432\u0438\u043b\u0438 \u043d\u043e\u0432\u044b\u0439 \u0441\u043f\u043e\u0441\u043e\u0431 \u0440\u0435\u0433\u0438\u0441\u0442\u0440\u0430\u0446\u0438\u0438 \u0434\u043e\u043c\u0435\u043d\u043e\u0432 \u0441\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta name=\"author\" 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