{"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\/pl\/blog\/news\/v-hode-ataki-meow-udaleno-okolo-4000-obshhedostupnyh-bd-elasticsearch-i-mongodb","title":{"rendered":"W trakcie ataku Meow usuni\u0119to oko\u0142o 4000 publicznych baz danych Elasticsearch i MongoDB.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Atak &#171; nabiera tempa<noindex><a rel=\"nofollow\" href=\"https:\/\/twitter.com\/MayhemDayOne\/status\/1285303164116389890\">Meow<\/a><\/noindex>&#171;, w wyniku kt\u00f3rej nieznani napastnicy niszcz\u0105 dane na publicznie dost\u0119pnym, niezabezpieczonym oprogramowaniu Elasticsearch i MongoDB. Sporadyczne przypadki czyszczenia (\u0142\u0105cznie oko\u0142o 3% wszystkich ofiar) zosta\u0142y r\u00f3wnie\u017c odnotowane dla niezabezpieczonych baz danych opartych na Apache Cassandra, CouchDB, Redis, Hadoop i Apache ZooKeeper. Atak prowadzony jest przez bota, kt\u00f3ry skanuje standardowe porty sieciowe baz danych. Badanie ataku na podstawowy serwer honeypot wykaza\u0142o, \u017ce po\u0142\u0105czenie bota <noindex><a rel=\"nofollow\" href=\"https:\/\/twitter.com\/MayhemDayOne\/status\/1286577695946608640\">jest prowadzone<\/a><\/noindex> przez ProtonVPN. Je\u015bli 22 lipca odnotowano oko\u0142o 1000 zdalnych baz danych, to 23 lipca liczba dotkni\u0119tych system\u00f3w <noindex><a rel=\"nofollow\" href=\"https:\/\/twitter.com\/MayhemDayOne\/status\/1286577695946608640\">wzros\u0142a<\/a><\/noindex> do oko\u0142o 2500, a wczoraj <noindex><a rel=\"nofollow\" href=\"https:\/\/www.shodan.io\/search?query=meow+indices\">przekroczy\u0142a<\/a><\/noindex> osi\u0105gn\u0119\u0142a 3800, ale dzisiaj spad\u0142a do 3750.<\/p>\n<p>Przyczyn\u0105 wyst\u0105pienia problem\u00f3w jest publiczny dost\u0119p do baz danych bez odpowiedniej konfiguracji autoryzacji. Z powodu b\u0142\u0119du lub niedbalstwa, obs\u0142uga zapyta\u0144 jest pod\u0142\u0105czona nie do wewn\u0119trznego adresu 127.0.0.1 (localhost), ale do wszystkich interfejs\u00f3w sieciowych, w tym zewn\u0119trznych. W MongoDB podobne zachowanie sprzyja przyk\u0142adom domy\u015blnych ustawie\u0144, a w Elasticsearch do momentu wydania <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=50750\">6.8<\/a><\/noindex> w wersji darmowej w og\u00f3le nie wspierano \u015brodk\u00f3w rozdzielania dost\u0119pu.<\/p>\n<p>Warto zwr\u00f3ci\u0107 uwag\u0119 na <noindex><a rel=\"nofollow\" href=\"https:\/\/www.comparitech.com\/blog\/vpn-privacy\/ufo-vpn-data-exposure\/\">histori\u0119<\/a><\/noindex> z dostawc\u0105 VPN UFO, u kt\u00f3rego zidentyfikowano publicznie dost\u0119pn\u0105 baz\u0119 Elasticsearch o rozmiarze 894 GB. Dostawca reklamowa\u0142 si\u0119 jako dbaj\u0105cy o prywatno\u015b\u0107 u\u017cytkownik\u00f3w i nieprowadz\u0105cy log\u00f3w. Wbrew deklaracjom, w ujawnionej bazie znajdowa\u0142y si\u0119 logi zawieraj\u0105ce informacje o adresach IP, powi\u0105zaniu sesji z czasem, znacznik\u00f3w lokalizacji u\u017cytkownika, informacjach o systemie operacyjnym i urz\u0105dzeniu u\u017cytkownika, listach domen do wstawiania reklam w niechronionym ruchu HTTP. Co wi\u0119cej, w bazie znajdowa\u0142y si\u0119 has\u0142a dost\u0119pu w postaci jawnej oraz klucze sesji, kt\u00f3re umo\u017cliwia\u0142y odszyfrowanie przechwyconych sesji.<\/p>\n<p>Dostawca UFO zosta\u0142 poinformowany o problemie 1 lipca, ale przez dwa tygodnie wiadomo\u015b\u0107 pozosta\u0142a bez odpowiedzi, a 14 lipca wys\u0142ano kolejn\u0105 pro\u015bb\u0119 do dostawcy hostingu, po czym 15 lipca baza danych zosta\u0142a zabezpieczona. 20 lipca ta baza danych ponownie pojawi\u0142a si\u0119 w publicznym dost\u0119pie na innym IP. W ci\u0105gu kilku godzin prawie wszystkie dane w bazie zosta\u0142y usuni\u0119te. Analiza tego usuni\u0119cia wykaza\u0142a, \u017ce ma ono zwi\u0105zek z masowo przeprowadzanym atakiem, kt\u00f3ry zosta\u0142 nazwany Meow ze wzgl\u0119du na nazwy indeks\u00f3w zostawianych w bazie po usuni\u0119ciu. Przeszukiwanie za pomoc\u0105 us\u0142ugi Shodan <noindex><a rel=\"nofollow\" href=\"https:\/\/www.shodan.io\/search?query=meow+indices\">wykaza\u0142o<\/a><\/noindex>, \u017ce ofiarami usuni\u0119cia sta\u0142o si\u0119 r\u00f3wnie\u017c kilka setek serwer\u00f3w. Liczba usuni\u0119tych baz danych zbli\u017ca si\u0119 do 4000.<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>\u0179r\u00f3d\u0142o: <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 5.0.1.1 - 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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