{"id":89993,"date":"2020-07-28T01:42:19","date_gmt":"2020-07-27T23:42:19","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-hode-ataki-meow-udaleno-okolo-4000-obshhedostupnyh-bd-elasticsearch-i-mongodb"},"modified":"2020-07-28T01:42:19","modified_gmt":"2020-07-27T23:42:19","slug":"v-hode-ataki-meow-udaleno-okolo-4000-obshhedostupnyh-bd-elasticsearch-i-mongodb","status":"publish","type":"post","link":"https:\/\/prohoster.info\/es\/blog\/news\/v-hode-ataki-meow-udaleno-okolo-4000-obshhedostupnyh-bd-elasticsearch-i-mongodb","title":{"rendered":"Durante el ataque Meow, se eliminaron alrededor de 4000 bases de datos p\u00fablicas de Elasticsearch y MongoDB.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>La ataque contin\u00faa ganando impulso &#171;<noindex><a rel=\"nofollow\" href=\"https:\/\/twitter.com\/MayhemDayOne\/status\/1285303164116389890\">Meow<\/a><\/noindex>&#171;, durante el cual desconocidos atacantes est\u00e1n destruyendo datos en instalaciones de Elasticsearch y MongoDB no protegidas y p\u00fablicamente accesibles. Se han registrado tambi\u00e9n casos aislados de limpieza (alrededor del 3% de todas las v\u00edctimas) en bases de datos desprotegidas basadas en Apache Cassandra, CouchDB, Redis, Hadoop y Apache ZooKeeper. El ataque se realiza a trav\u00e9s de un bot que escanea los puertos de red t\u00edpicos de las bases de datos. El estudio del ataque en un servidor honeypot ficticio mostr\u00f3 que la conexi\u00f3n del bot <noindex><a rel=\"nofollow\" href=\"https:\/\/twitter.com\/MayhemDayOne\/status\/1286577695946608640\">se realiza<\/a><\/noindex> a trav\u00e9s de ProtonVPN. Si el 22 de julio se registraron alrededor de 1000 bases de datos eliminadas, el 23 de julio el n\u00famero de sistemas afectados <noindex><a rel=\"nofollow\" href=\"https:\/\/twitter.com\/MayhemDayOne\/status\/1286577695946608640\">aument\u00f3<\/a><\/noindex> aument\u00f3 a aproximadamente 2500, y ayer <noindex><a rel=\"nofollow\" href=\"https:\/\/www.shodan.io\/search?query=meow+indices\">super\u00f3<\/a><\/noindex> alcanz\u00f3 los 3800, pero hoy ha bajado a 3750.<\/p>\n<p>La causa de los problemas es la apertura de acceso p\u00fablico a las bases de datos sin la debida configuraci\u00f3n de autenticaci\u00f3n. Por error o negligencia, el manejador de solicitudes se adjunta no a la direcci\u00f3n interna 127.0.0.1 (localhost), sino a todas las interfaces de red, incluyendo la externa. En MongoDB, este comportamiento es favorecido por un ejemplo de configuraciones ofrecidas por defecto, y en Elasticsearch, hasta la versi\u00f3n <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=50750\">6.8<\/a><\/noindex> las herramientas de control de acceso en la versi\u00f3n gratuita no estaban disponibles en absoluto.<\/p>\n<p>Es notable <noindex><a rel=\"nofollow\" href=\"https:\/\/www.comparitech.com\/blog\/vpn-privacy\/ufo-vpn-data-exposure\/\">historia<\/a><\/noindex> el caso con el proveedor de VPN UFO, que identific\u00f3 una base de datos de Elasticsearch accesible p\u00fablicamente, con un tama\u00f1o de 894GB. El proveedor se posicion\u00f3 como un defensor de la privacidad de los usuarios y afirmaba no llevar registros. Sin embargo, contrariamente a esta afirmaci\u00f3n, en la base de datos expuesta hab\u00eda registros que inclu\u00edan informaci\u00f3n sobre direcciones IP, asociaci\u00f3n de sesiones con tiempos, etiquetas sobre la ubicaci\u00f3n del usuario, informaci\u00f3n sobre el sistema operativo y dispositivo del usuario, y listas de dominios para la inserci\u00f3n de publicidad en tr\u00e1fico HTTP no protegido. Adem\u00e1s, en la base de datos hab\u00eda contrase\u00f1as de acceso en texto claro y claves de sesi\u00f3n que permit\u00edan descifrar sesiones interceptadas.<\/p>\n<p>El proveedor UFO fue informado sobre el problema el 1 de julio, pero durante dos semanas el mensaje permaneci\u00f3 sin respuesta y el 14 de julio se envi\u00f3 otra solicitud al proveedor de hosting, despu\u00e9s de lo cual el 15 de julio la base de datos fue protegida. El 20 de julio, esta base de datos volvi\u00f3 a aparecer p\u00fablicamente en otra IP. En pocas horas, casi todos los datos en la base de datos fueron eliminados. El an\u00e1lisis de esta eliminaci\u00f3n mostr\u00f3 que estaba relacionada con un ataque masivo, denominado Meow, por los \u00edndices dejados en la base de datos despu\u00e9s de la eliminaci\u00f3n. La b\u00fasqueda a trav\u00e9s del servicio Shodan <noindex><a rel=\"nofollow\" href=\"https:\/\/www.shodan.io\/search?query=meow+indices\">demostr\u00f3<\/a><\/noindex>, revel\u00f3 que varias cientos de servidores tambi\u00e9n fueron v\u00edctimas de la eliminaci\u00f3n. Actualmente, el n\u00famero de bases de datos eliminadas se acerca a 4000.<\/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=53438\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u043e\u0434\u043e\u043b\u0436\u0430\u0435\u0442 \u043d\u0430\u0431\u0438\u0440\u0430\u0442\u044c \u043e\u0431\u043e\u0440\u043e\u0442\u044b \u0430\u0442\u0430\u043a\u0430 &#171;Meow&#171;, \u0432 \u0445\u043e\u0434\u0435 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u043d\u0435\u0438\u0437\u0432\u0435\u0441\u0442\u043d\u044b\u0435 \u0437\u043b\u043e\u0443\u043c\u044b\u0448\u043b\u0435\u043d\u043d\u0438\u043a\u0438 \u0443\u043d\u0438\u0447\u0442\u043e\u0436\u0430\u044e\u0442 \u0434\u0430\u043d\u043d\u044b\u0435 \u0432 \u043f\u0443\u0431\u043b\u0438\u0447\u043d\u043e \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u044b\u0445 \u043d\u0435\u0437\u0430\u0449\u0438\u0449\u0451\u043d\u043d\u044b\u0445 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043a\u0430\u0445 Elasticsearch \u0438 MongoDB. \u0415\u0434\u0438\u043d\u0438\u0447\u043d\u044b\u0435 \u0441\u043b\u0443\u0447\u0430\u0438 \u043e\u0447\u0438\u0441\u0442\u043a\u0438 (\u0432 \u0441\u0443\u043c\u043c\u0435 \u043e\u043a\u043e\u043b\u043e 3% \u043e\u0442 \u0432\u0441\u0435\u0445 \u0436\u0435\u0440\u0442\u0432) \u0442\u0430\u043a\u0436\u0435 \u0437\u0430\u0444\u0438\u043a\u0441\u0438\u0440\u043e\u0432\u0430\u043d\u044b \u0434\u043b\u044f \u043d\u0435\u0437\u0430\u0449\u0438\u0449\u0451\u043d\u043d\u044b\u0445 \u0411\u0414 \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 Apache Cassandra, CouchDB, Redis, Hadoop \u0438 Apache ZooKeeper. \u0410\u0442\u0430\u043a\u0430 \u043f\u0440\u043e\u0438\u0437\u0432\u043e\u0434\u0438\u0442\u0441\u044f \u0447\u0435\u0440\u0435\u0437 \u0431\u043e\u0442\u0430, \u043f\u0435\u0440\u0435\u0431\u0438\u0440\u0430\u044e\u0449\u0435\u0433\u043e \u0442\u0438\u043f\u043e\u0432\u044b\u0435 \u0441\u0435\u0442\u0435\u0432\u044b\u0435 \u043f\u043e\u0440\u0442\u044b \u0421\u0423\u0411\u0414. \u0418\u0437\u0443\u0447\u0435\u043d\u0438\u0435 [&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-89993","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=\"\u041f\u0440\u043e\u0434\u043e\u043b\u0436\u0430\u0435\u0442 \u043d\u0430\u0431\u0438\u0440\u0430\u0442\u044c \u043e\u0431\u043e\u0440\u043e\u0442\u044b \u0430\u0442\u0430\u043a\u0430 &quot;Meow&quot;, \u0432 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