{"id":76851,"date":"2020-04-05T07:42:20","date_gmt":"2020-04-05T05:42:20","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/rezultaty-analiza-bekdorov-v-prilozheniyah-dlya-android"},"modified":"2020-04-05T07:42:20","modified_gmt":"2020-04-05T05:42:20","slug":"rezultaty-analiza-bekdorov-v-prilozheniyah-dlya-android","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/rezultaty-analiza-bekdorov-v-prilozheniyah-dlya-android","title":{"rendered":"Resultados del an\u00e1lisis de puertas traseras en aplicaciones para Android","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Investigadores del Centro Helmholtz de Seguridad de la Informaci\u00f3n (CISPA), la Universidad del Estado de Ohio y la Universidad de Nueva York <noindex><a rel=\"nofollow\" href=\"https:\/\/cispa.saarland\/2020\/04\/03\/hidden-functions-make-mobile-phone-apps-vulnerable-to-hackers.html\">realizaron<\/a><\/noindex> estudiaron la funcionalidad oculta en aplicaciones para la plataforma Android. Analizaron 100,000 aplicaciones m\u00f3viles del cat\u00e1logo de Google Play, 20,000 de un cat\u00e1logo alternativo (Baidu) y 30,000 aplicaciones preinstaladas en varios tel\u00e9fonos inteligentes, extra\u00eddas de 1,000 firmwares de SamMobile, <noindex><a rel=\"nofollow\" href=\"https:\/\/panda.moyix.net\/~moyix\/papers\/inputscope_oakland20.pdf\">demostr\u00f3<\/a><\/noindex>, lo que indica que 12,706 (8.5%) programas contienen funcionalidad oculta para el usuario, pero activable mediante secuencias especiales, que se pueden clasificar como puertas traseras. <\/p>\n<p>En particular, 7584 aplicaciones inclu\u00edan claves secretas de acceso integradas, 501 \u2014 contrase\u00f1as maestras integradas y 6013 \u2014 comandos ocultos. Las aplicaciones problem\u00e1ticas se encuentran en todas las fuentes de software analizadas \u2014 en t\u00e9rminos porcentuales, se identificaron puertas traseras en el 6.86% (6860) de los programas estudiados de Google Play, en el 5.32% (1064) del cat\u00e1logo alternativo y en el 15.96% (4788) de la lista de aplicaciones preinstaladas. Las puertas traseras detectadas permiten a cualquiera que conozca las claves, contrase\u00f1as de activaci\u00f3n y secuencias para ejecutar comandos acceder a la aplicaci\u00f3n y a todos los datos relacionados. <\/p>\n<p>Por ejemplo, en una aplicaci\u00f3n de transmisi\u00f3n de partidos deportivos, que tiene 5 millones de instalaciones, se descubri\u00f3 una clave incorporada para acceder a la interfaz de administraci\u00f3n, lo que permite cambiar la configuraci\u00f3n de la aplicaci\u00f3n y acceder a funcionalidades adicionales. En una aplicaci\u00f3n de bloqueo de pantalla, que cuenta con 5 millones de instalaciones, se encontr\u00f3 una clave de acceso que permite restablecer la contrase\u00f1a establecida por el usuario para bloquear el dispositivo. En un programa de traducci\u00f3n, que tiene 1 mill\u00f3n de instalaciones, hay una clave que permite realizar compras dentro de la aplicaci\u00f3n y actualizar el programa a la versi\u00f3n pro sin un pago real.<\/p>\n<p> En la aplicaci\u00f3n de control remoto para dispositivos perdidos, que cuenta con 10 millones de instalaciones, se ha descubierto una maestra que permite desactivar el bloqueo establecido por el usuario en caso de p\u00e9rdida del dispositivo. En la aplicaci\u00f3n para tomar notas, se encontr\u00f3 una maestra que permite desbloquear notas secretas. Adem\u00e1s, se han identificado modos de depuraci\u00f3n en muchas aplicaciones que abren acceso a funciones de bajo nivel; por ejemplo, en la aplicaci\u00f3n de compras, se activaba un servidor proxy al ingresar una combinaci\u00f3n espec\u00edfica, y en un programa educativo hab\u00eda la posibilidad de eludir las pruebas.<\/p>\n<p>Adem\u00e1s de las puertas traseras, en 4028 (2.7%) aplicaciones se identific\u00f3 la existencia de listas negras utilizadas para censurar la informaci\u00f3n que proviene del usuario. Las listas negras contienen conjuntos de palabras prohibidas para mencionar, incluidos nombres de partidos pol\u00edticos y pol\u00edticos, as\u00ed como frases comunes utilizadas para intimidar y discriminar a ciertos sectores de la poblaci\u00f3n. Las listas negras se encontraron en el 1.98% de los programas estudiados de Google Play, en el 4.46% del cat\u00e1logo alternativo y en el 3.87% de la lista de aplicaciones preinstaladas.<\/p>\n<p>Para realizar el an\u00e1lisis se utiliz\u00f3 una herramienta creada por los investigadores llamada InputScope, cuyo c\u00f3digo estar\u00e1 <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/OSUSecLab\/InputScope\">publicado<\/a><\/noindex> disponible en GitHub (anteriormente los investigadores ya publicaron un analizador est\u00e1tico <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/OSUSecLab\/LeakScope\">LeakScope<\/a><\/noindex>, que identifica autom\u00e1ticamente las filtraciones de informaci\u00f3n en las aplicaciones).<\/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=52677\">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 \u0426\u0435\u043d\u0442\u0440\u0430 \u0413\u0435\u043b\u044c\u043c\u0433\u043e\u043b\u044c\u0446\u0430 \u043f\u043e \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (CISPA), \u0423\u043d\u0438\u0432\u0435\u0440\u0441\u0438\u0442\u0435\u0442\u0430 \u0448\u0442\u0430\u0442\u0430 \u041e\u0433\u0430\u0439\u043e \u0438 \u041d\u044c\u044e-\u0419\u043e\u0440\u043a\u0441\u043a\u043e\u0433\u043e \u0443\u043d\u0438\u0432\u0435\u0440\u0441\u0438\u0442\u0435\u0442\u0430 \u043f\u0440\u043e\u0432\u0435\u043b\u0438 \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u043d\u0438\u0435 \u0441\u043a\u0440\u044b\u0442\u043e\u0439 \u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u0432 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f\u0445 \u0434\u043b\u044f \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b Android. \u0410\u043d\u0430\u043b\u0438\u0437 100 \u0442\u044b\u0441\u044f\u0447 \u043c\u043e\u0431\u0438\u043b\u044c\u043d\u044b\u0445 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439 \u0438\u0437 \u043a\u0430\u0442\u0430\u043b\u043e\u0433\u0430 Google Play, 20 \u0442\u044b\u0441\u044f\u0447 \u0438\u0437 \u0430\u043b\u044c\u0442\u0435\u0440\u043d\u0430\u0442\u0438\u0432\u043d\u043e\u0433\u043e \u043a\u0430\u0442\u0430\u043b\u043e\u0433\u0430 (Baidu) \u0438 30 \u0442\u044b\u0441\u044f\u0447 \u043f\u0440\u0435\u0434\u0443\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u0435\u043c\u044b\u0445 \u043d\u0430 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0435 \u0441\u043c\u0430\u0440\u0442\u0444\u043e\u043d\u044b \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439, \u0432\u044b\u0434\u0435\u043b\u0435\u043d\u043d\u044b\u0445 \u0438\u0437 1000 \u043f\u0440\u043e\u0448\u0438\u0432\u043e\u043a \u0441 SamMobile, \u043f\u043e\u043a\u0430\u0437\u0430\u043b, \u0447\u0442\u043e 12706 (8.5%) [&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-76851","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=\"\u0418\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u0438 \u0426\u0435\u043d\u0442\u0440\u0430 \u0413\u0435\u043b\u044c\u043c\u0433\u043e\u043b\u044c\u0446\u0430 \u043f\u043e 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