{"id":42943,"date":"2020-02-17T14:41:56","date_gmt":"2020-02-17T11:41:56","guid":{"rendered":"https:\/\/prohoster.info\/blog\/blog_prohoster\/iz-chrome-web-store-udaleno-bolee-500-vredonosnyh-dopolnenij"},"modified":"2020-02-17T14:41:56","modified_gmt":"2020-02-17T11:41:56","slug":"iz-chrome-web-store-udaleno-bolee-500-vredonosnyh-dopolnenij","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/iz-chrome-web-store-udaleno-bolee-500-vredonosnyh-dopolnenij","title":{"rendered":"Se han eliminado m\u00e1s de 500 extensiones maliciosas de Chrome Web Store","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p><noindex><a rel=\"nofollow\" href=\"https:\/\/duo.com\/labs\/research\/crxcavator-malvertising-2020\">Se han presentado los resultados<\/a><\/noindex> de la neutralizaci\u00f3n de una serie de extensiones maliciosas para el navegador Chrome, de las cuales han sido v\u00edctimas varios millones de usuarios. En la primera etapa, la investigadora independiente Jamila Kaya (<noindex><a rel=\"nofollow\" href=\"https:\/\/twitter.com\/bumblebreaches\/status\/1228058396923875328\">Jamila Kaya<\/a><\/noindex>) y la empresa Duo Security identificaron 71 extensiones maliciosas en el cat\u00e1logo de Chrome Web Store. En total, estas extensiones registraron m\u00e1s de 1.7 millones de instalaciones. Tras informar a Google sobre el problema, se encontraron m\u00e1s de 430 extensiones similares en el cat\u00e1logo, cuyo n\u00famero de instalaciones no se reporta. <\/p>\n<p>Es notable que a pesar del impresionante n\u00famero de instalaciones, ninguna de las extensiones problem\u00e1ticas tiene rese\u00f1as de usuarios, lo que plantea dudas sobre c\u00f3mo se instalaron las extensiones y c\u00f3mo la actividad maliciosa pas\u00f3 desapercibida. Actualmente, todas las extensiones problem\u00e1ticas han sido eliminadas de Chrome Web Store.<br \/>\nSeg\u00fan los investigadores, la actividad maliciosa relacionada con las extensiones bloqueadas se lleva a cabo desde enero de 2019, pero algunos dominios utilizados para llevar a cabo acciones maliciosas fueron registrados desde 2017. <\/p>\n<p>En su mayor\u00eda, las extensiones maliciosas se presentaron como herramientas para promocionar productos y participar en servicios publicitarios (el usuario ve anuncios y recibe comisiones). Las extensiones empleaban una t\u00e9cnica de redirecci\u00f3n a sitios publicitados al abrir p\u00e1ginas que se mostraban en cadena antes de mostrar el sitio solicitado. <\/p>\n<p>Todas las extensiones utilizaban una t\u00e9cnica uniforme para ocultar la actividad maliciosa y eludir los mecanismos de verificaci\u00f3n de las extensiones en Chrome Web Store. El c\u00f3digo de todas las extensiones era pr\u00e1cticamente id\u00e9ntico a nivel de texto fuente, excepto por los nombres de las funciones, que eran \u00fanicos en cada extensi\u00f3n. La l\u00f3gica maliciosa se transmit\u00eda desde servidores de control centralizados. Al principio, la extensi\u00f3n se conectaba a un dominio que ten\u00eda el mismo nombre que el nombre de la extensi\u00f3n (por ejemplo, Mapstrek.com), y luego se redirig\u00eda a uno de los servidores de control que proporcionaban el script para las acciones posteriores.<\/p>\n<p>Entre las acciones realizadas a trav\u00e9s de las extensiones se menciona la carga de datos confidenciales del usuario a un servidor externo, el redireccionamiento a sitios maliciosos y la complicidad en la instalaci\u00f3n de aplicaciones maliciosas (por ejemplo, se muestra un mensaje de infecci\u00f3n del ordenador y se ofrece malware bajo la apariencia de antivirus o actualizaci\u00f3n del navegador). Entre los dominios a los que se redirigi\u00f3 se encuentran varios dominios de phishing y sitios que explotan navegadores desactualizados, que contienen vulnerabilidades no corregidas (por ejemplo, despu\u00e9s de la explotaci\u00f3n, se intent\u00f3 instalar programas maliciosos que interceptan claves de acceso y analizan la transmisi\u00f3n de datos confidenciales a trav\u00e9s del portapapeles).<\/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=52371\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u043e\u0434\u0432\u0435\u0434\u0435\u043d\u044b \u0438\u0442\u043e\u0433\u0438 \u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0441\u0435\u0440\u0438\u0438 \u0432\u0440\u0435\u0434\u043e\u043d\u043e\u0441\u043d\u044b\u0445 \u0434\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0439 \u043a \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0443 Chrome, \u0436\u0435\u0440\u0442\u0432\u0430\u043c\u0438 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0441\u0442\u0430\u043b\u043e \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u043c\u0438\u043b\u043b\u0438\u043e\u043d\u043e\u0432 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439. \u041d\u0430 \u043f\u0435\u0440\u0432\u043e\u043c \u044d\u0442\u0430\u043f\u0435 \u043d\u0435\u0437\u0430\u0432\u0438\u0441\u0438\u043c\u044b\u0439 \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c \u0414\u0436\u0430\u043c\u0438\u043b\u044f \u041a\u0430\u0439\u044f (Jamila Kaya) \u0438 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Duo Security \u0432\u044b\u044f\u0432\u0438\u043b\u0438 \u0432 \u043a\u0430\u0442\u0430\u043b\u043e\u0433\u0435 Chrome Web Store 71 \u0432\u0440\u0435\u0434\u043e\u043d\u043e\u0441\u043d\u043e\u0435 \u0434\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0435. \u0412 \u0441\u0443\u043c\u043c\u0435 \u0443\u043a\u0430\u0437\u0430\u043d\u043d\u044b\u0435 \u0434\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043d\u0430\u0441\u0447\u0438\u0442\u044b\u0432\u0430\u043b\u0438 \u0431\u043e\u043b\u0435\u0435 1.7 \u043c\u043b\u043d \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043e\u043a. \u041f\u043e\u0441\u043b\u0435 \u0438\u043d\u0444\u043e\u0440\u043c\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f Google \u043e \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0435, \u0432 \u043a\u0430\u0442\u0430\u043b\u043e\u0433\u0435 \u0431\u044b\u043b\u043e \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d\u043e [&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":[],"tags":[],"class_list":["post-42943","post","type-post","status-publish","format-standard","hentry"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.2 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041f\u043e\u0434\u0432\u0435\u0434\u0435\u043d\u044b \u0438\u0442\u043e\u0433\u0438 \u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0441\u0435\u0440\u0438\u0438 \u0432\u0440\u0435\u0434\u043e\u043d\u043e\u0441\u043d\u044b\u0445 \u0434\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0439 \u043a \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0443 Chrome, \u0436\u0435\u0440\u0442\u0432\u0430\u043c\u0438 \u043a\u043e\u0442\u043e\u0440\u044b\u0445 \u0441\u0442\u0430\u043b\u043e 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