{"id":24091,"date":"2024-02-27T09:18:26","date_gmt":"2024-02-27T08:18:26","guid":{"rendered":"https:\/\/www.movistar.es\/blog\/?p=24091"},"modified":"2024-02-27T09:18:27","modified_gmt":"2024-02-27T08:18:27","slug":"browser-in-the-browser","status":"publish","type":"post","link":"https:\/\/www.movistar.es\/blog\/seguridad\/browser-in-the-browser\/","title":{"rendered":"Browser-in-the-Browser, una t\u00e9cnica de phishing"},"content":{"rendered":"\n<p>Los ciberdelincuentes no cesan en su b\u00fasqueda de nuevas t\u00e9cnicas de&nbsp;<strong>ingenier\u00eda social<\/strong>&nbsp;para enga\u00f1ar a los usuarios y as\u00ed hacerse con sus datos personales. Por eso hoy queremos alertarte de una&nbsp;t\u00e9cnica de phishing&nbsp;que es cada vez m\u00e1s utilizada y que puede ser casi indetectable, se trata&nbsp;<strong>del Browser-in-the-Browser (BitB)<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"h-que-es-el-browser-in-the-browser\"><strong>Qu\u00e9 es el Browser-in-the-Browser<\/strong><strong><\/strong><\/h2>\n\n\n\n<p>Seguramente, habr\u00e1s visto que, a la hora de registrarte en alguna web, ya sea para realizar una compra, dar de alta alg\u00fan servicio etc\u2026, cada vez es m\u00e1s habitual poder hacerlo utilizando las&nbsp;<strong>credenciales de tus redes sociales<\/strong>&nbsp;como Facebook, Twitter, o con el&nbsp;<strong>usuario y contrase\u00f1a de Google, Apple o Microsoft<\/strong>, entre otras. Es lo que se llama&nbsp;<strong>OAuth<\/strong>, o&nbsp;<strong>est\u00e1ndar abierto de autenticaci\u00f3n<\/strong>.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.movistar.es\/blog\/wp-content\/uploads\/sites\/3\/2024\/02\/estandar-abierto-de-autenticacion.png\" alt=\"\" class=\"wp-image-24095\" width=\"210\" height=\"310\" srcset=\"https:\/\/www.movistar.es\/blog\/wp-content\/uploads\/sites\/3\/2024\/02\/estandar-abierto-de-autenticacion.png 361w, https:\/\/www.movistar.es\/blog\/wp-content\/uploads\/sites\/3\/2024\/02\/estandar-abierto-de-autenticacion.png?resize=204,300 204w\" sizes=\"auto, (max-width: 210px) 100vw, 210px\" \/><\/figure>\n\n\n\n<p>El&nbsp;<strong>OAuth<\/strong>&nbsp;permite registrarte con una misma cuenta, en diferentes servicios. Esto evita tener que pensar y recordar usuarios y contrase\u00f1as para cada sitio online en el que te das de alta.<\/p>\n\n\n\n<p>Pues bien, los hackers han visto aqu\u00ed una nueva oportunidad y es como llevan a cabo el&nbsp;<strong>robo de datos personales<\/strong>, mediante el BitB.<\/p>\n\n\n\n<p>Browser-in-the-Browser consiste en crear p\u00e1ginas copiando la apariencia de las reales para suplantar su identidad. Al simular una p\u00e1gina de un servicio online, los ciberdelincuentes introducen una ventana emergente de&nbsp;<strong>inicio de sesi\u00f3n \u00fanico<\/strong>, para que creas que es una ventana de inicio de sesi\u00f3n real, e introduzcas tus sus credenciales.<\/p>\n\n\n\n<p>Si caes en una web de autenticaci\u00f3n de este tipo, el&nbsp;<strong>riesgo que puedes correr es importante<\/strong>, pues autom\u00e1ticamente&nbsp;<strong>los atacantes tendr\u00e1n acceso a la cuenta<\/strong>&nbsp;con la que te has autenticado, ya sea una de tus redes sociales, tu cuenta de correo y todas aquellas webs donde hayas accedido con esa identificaci\u00f3n. Esto conlleva un gran perjuicio, pues&nbsp;<strong>podr\u00e1n conseguir todos tus datos personales y bancarios<\/strong>, adem\u00e1s de&nbsp;<strong>controlar tus cuentas<\/strong>, realizar un&nbsp;<strong>uso fraudulento<\/strong>&nbsp;y&nbsp;<strong>suplantar tu identidad<\/strong>.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"como-detectar-un-bitb\"><strong>C\u00f3mo detectar un BitB<\/strong><strong><\/strong><\/h2>\n\n\n\n<p>Como coment\u00e1bamos, las t\u00e9cnicas de ingenier\u00eda social cada vez son m\u00e1s sofisticadas y para detectar el Browser-in-the-Browser hay que estar muy atentos. Estos son los indicios que detalla la\u00a0<strong><a href=\"https:\/\/www.incibe.es\/ciudadania\/blog\">Oficina de Seguridad del Internauta (OSI)<\/a><\/strong>\u00a0y que podr\u00e1n hacerte sospechar si se tratas de una ventana de inicio de sesi\u00f3n falsa:<\/p>\n\n\n\n<ol class=\"wp-block-list\" type=\"1\"><li>No se abre una nueva ventana en la barra de tareas para logarse.<\/li><li>Al minimizar la ventana principal desaparece la emergente. Cuando la pantalla es real, al minimizar la ventana emergente para logarse, la principal se mantiene. Si ese no es el comportamiento, se trata de un caso de BitB.<\/li><li>No te permite modificar el tama\u00f1o de la ventana emergente.<\/li><li>Al intentar modificar el contenido de la barra de direcciones, no deja.<\/li><li>Si intentas mover la ventana emergente de inicio de sesi\u00f3n a otro parte de la pantalla y no deja, se queda fija y no se separa, es otro s\u00edntoma de que se trata de una ventana maliciosa.<\/li><\/ol>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" height=\"294\" width=\"1024\" src=\"https:\/\/www.movistar.es\/blog\/wp-content\/uploads\/sites\/3\/2024\/02\/identificar-BitB.png?w=1024\" alt=\"Browser-in-the-Browser\" class=\"wp-image-24092\" srcset=\"https:\/\/www.movistar.es\/blog\/wp-content\/uploads\/sites\/3\/2024\/02\/identificar-BitB.png 1200w, https:\/\/www.movistar.es\/blog\/wp-content\/uploads\/sites\/3\/2024\/02\/identificar-BitB.png?resize=300,86 300w, https:\/\/www.movistar.es\/blog\/wp-content\/uploads\/sites\/3\/2024\/02\/identificar-BitB.png?resize=768,220 768w, https:\/\/www.movistar.es\/blog\/wp-content\/uploads\/sites\/3\/2024\/02\/identificar-BitB.png?resize=1024,294 1024w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\" class=\"wp-block-heading\" id=\"como-evitar-ser-victima-de-browser-in-the-browser\"><strong>C\u00f3mo evitar ser v\u00edctima de Browser-in-the-Browser<\/strong><strong><\/strong><\/h2>\n\n\n\n<p>Para evitar ser v\u00edctima de este tipo de <a href=\"https:\/\/www.movistar.es\/blog\/seguridad\/phishing-smishing-vishing\/\" target=\"_blank\" rel=\"noreferrer noopener\">phishing<\/a> te dejamos las siguientes recomendaciones:<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" height=\"538\" width=\"1024\" src=\"https:\/\/www.movistar.es\/blog\/wp-content\/uploads\/sites\/3\/2024\/02\/Evitar-Phishing.png?w=1024\" alt=\"Evitar-Phishing\" class=\"wp-image-24093\" srcset=\"https:\/\/www.movistar.es\/blog\/wp-content\/uploads\/sites\/3\/2024\/02\/Evitar-Phishing.png 1200w, https:\/\/www.movistar.es\/blog\/wp-content\/uploads\/sites\/3\/2024\/02\/Evitar-Phishing.png?resize=300,158 300w, https:\/\/www.movistar.es\/blog\/wp-content\/uploads\/sites\/3\/2024\/02\/Evitar-Phishing.png?resize=768,403 768w, https:\/\/www.movistar.es\/blog\/wp-content\/uploads\/sites\/3\/2024\/02\/Evitar-Phishing.png?resize=1024,538 1024w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<ul class=\"wp-block-list\"><li>Lo primero de todo, es&nbsp;<strong><a href=\"https:\/\/comunidad.movistar.es\/t5\/Blog-Movisfera\/C%C3%B3mo-crear-contrase%C3%B1as-seguras-y-robustas\/ba-p\/3927407\" target=\"_blank\" rel=\"noreferrer noopener\">crear contrase\u00f1as seguras y robustas<\/a>&nbsp;<\/strong>en cualquier web, red social o cuenta de correo.<\/li><li>Aunque es atractivo y te facilita la vida logarte con el sistema OAuth, hay otras alternativas que te permiten una&nbsp;<strong>mayor seguridad<\/strong>&nbsp;como son los&nbsp;<strong>gestores de contrase\u00f1as<\/strong>. Hoy en d\u00eda vienen incorporados de forma nativa en la mayor\u00eda de los smartphones seg\u00fan su sistema operativo y en caso de no disponer de uno, tambi\u00e9n existen&nbsp;<strong><a href=\"https:\/\/comunidad.movistar.es\/t5\/Blog-Movisfera\/C%C3%B3mo-guardar-tus-contrase%C3%B1as-en-el-m%C3%B3vil-de-forma-segura\/ba-p\/2701711\" target=\"_blank\" rel=\"noreferrer noopener\">aplicaciones de terceros para guardar las contrase\u00f1as<\/a><\/strong>.<\/li><li>Siempre que sea posible, configura la&nbsp;<strong>autenticaci\u00f3n en dos pasos<\/strong>. Los sistemas bancarios en Europa ya obligan a este&nbsp;<strong>doble factor de autenticaci\u00f3n<\/strong>. De este modo, para poder acceder, ser\u00e1 necesario introducir una segunda clave o numeraci\u00f3n que te llegar\u00e1 al m\u00f3vil o correo, seg\u00fan est\u00e9 configurado.<\/li><li>Verifica y presta atenci\u00f3n a las ventanas emergentes teniendo en cuenta los puntos mencionados en el apartado anterior.<\/li><li>Utiliza&nbsp;<strong>analizadores de URL<\/strong>&nbsp;como&nbsp;<strong><a href=\"https:\/\/www.mywot.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">WoT safe Browsing Tool<\/a><\/strong>. Se trata de una extensi\u00f3n para navegadores de Internet que verifica si la web a la que se est\u00e1 accediendo es segura y te avisa de posibles phishing, malware o enlaces peligrosos. Este es solo un ejemplo, hay otras <a href=\"https:\/\/www.urlvoid.com\/\" target=\"_blank\" rel=\"noreferrer noopener\">opciones disponibles<\/a> como&nbsp;<strong>URLVoid<\/strong>,&nbsp;entre otras.<\/li><li>Sospecha o estate m\u00e1s alerta sino es una p\u00e1gina conocida y ante cualquier duda consulta en la red. Como siempre decimos, este tipo de estafas en seguida se denuncian por las cuentas oficiales de las entidades a las que est\u00e1n suplantando, en las cuentas de Twitter de la Polic\u00eda o Guardia Civil, por la OSI, e incluso por los internautas.<\/li><\/ul>\n\n\n\n<p>Esperamos que con toda esta informaci\u00f3n puedas evitar ser v\u00edctima de esta modalidad de phishing.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Los ciberdelincuentes no cesan en su b\u00fasqueda de nuevas t\u00e9cnicas de&nbsp;ingenier\u00eda social&nbsp;para enga\u00f1ar a los usuarios y as\u00ed hacerse con sus datos personales. Por eso hoy queremos alertarte de una&nbsp;t\u00e9cnica de phishing&nbsp;que es cada vez [&hellip;]<\/p>\n","protected":false},"author":80,"featured_media":24104,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[1],"tags":[],"area":[190],"cluster":[580],"linea_editorial":[],"coauthors":[379],"class_list":["post-24091","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sin-categoria","area-content-movistar","cluster-seguridad"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v25.5 (Yoast SEO v25.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Browser-in-the-Browser, otra t\u00e9cnica de phishing<\/title>\n<meta name=\"description\" content=\"El BitB es una t\u00e9cnica de phishing que puede ser casi indetectable. 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