{"id":92490,"date":"2020-08-27T19:42:37","date_gmt":"2020-08-27T17:42:37","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/30-iz-tysyachi-krupnejshih-sajtov-ispolzuyut-skripty-dlya-skrytoj-identifikaczii"},"modified":"2020-08-27T19:42:37","modified_gmt":"2020-08-27T17:42:37","slug":"30-iz-tysyachi-krupnejshih-sajtov-ispolzuyut-skripty-dlya-skrytoj-identifikaczii","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hu\/blog\/news\/30-iz-tysyachi-krupnejshih-sajtov-ispolzuyut-skripty-dlya-skrytoj-identifikaczii","title":{"rendered":"A legnagyobb ezer weboldal 30%-a rejtek azonos\u00edt\u00e1shoz haszn\u00e1lt szkripteket","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

A Mozilla, az Iowa Egyetem \u00e9s a Kaliforniai Egyetem kutat\u00f3csoportja kiadta<\/a><\/noindex> az elj\u00e1r\u00e1s hat\u00e1sainak tanulm\u00e1nyoz\u00e1s\u00e1r\u00f3l, amely a felhaszn\u00e1l\u00f3k rejtett azonos\u00edt\u00e1s\u00e1ra szolg\u00e1l\u00f3 k\u00f3dok alkalmaz\u00e1s\u00e1n alapul. A rejtett azonos\u00edt\u00e1s alatt azt \u00e9rtj\u00fck, hogy az azonos\u00edt\u00f3kat a b\u00f6ng\u00e9sz\u0151 m\u0171k\u00f6d\u00e9s\u00e9nek k\u00f6zvetett adatai alapj\u00e1n gener\u00e1lj\u00e1k, mint p\u00e9ld\u00e1ul a k\u00e9perny\u0151 felbont\u00e1sa<\/a><\/noindex>, t\u00e1mogatott MIME-t\u00edpusok list\u00e1ja, specifikus param\u00e9terek a fejl\u00e9cben (HTTP\/2<\/a><\/noindex> \u00e9s HTTPS<\/a><\/noindex>), a telep\u00edtett b\u0151v\u00edtm\u00e9nyek \u00e9s bet\u0171t\u00edpusok elemz\u00e9se<\/a><\/noindex>, bizonyos Web API-k el\u00e9rhet\u0151s\u00e9ge, grafikus k\u00e1rty\u00e1kra specifikus jellemz\u0151i<\/a><\/noindex> WebGL seg\u00edts\u00e9g\u00e9vel k\u00e9sz\u00edtett rajzok \u00e9s Canvas<\/a><\/noindex>, manipul\u00e1ci\u00f3k<\/a><\/noindex> CSS-sel, az alap\u00e9rtelmezett \u00e9rt\u00e9kek figyelembev\u00e9tel\u00e9vel<\/a><\/noindex>, portok szkennel\u00e9se<\/a><\/noindex> \u00e9s a k\u00fcl\u00f6nb\u00f6z\u0151 m\u0171k\u00f6d\u00e9si jellemz\u0151k elemz\u00e9se haszn\u00e1lati szok\u00e1sa,<\/a><\/noindex> \u00e9s eg\u00e9r<\/a><\/noindex>.<\/p>\n

A 100 000 legn\u00e9pszer\u0171bb webhely tanulm\u00e1nyoz\u00e1sa az Alexa ranglist\u00e1j\u00e1n kimutatta, hogy ezek k\u00f6z\u00fcl 9040 (10,18%) alkalmaz rejtett azonos\u00edt\u00e1sra szolg\u00e1l\u00f3 k\u00f3dot. Ha figyelembe vessz\u00fck a legn\u00e9pszer\u0171bb 1000 webhelyet, akkor ez a k\u00f3d 30,60% -ban (266 webhely) fellelhet\u0151, m\u00edg az ezerszeres \u00e9s t\u00edzezerszeres rangsorol\u00e1s\u00fa webhelyek eset\u00e9n 24,45% -ban (2010 webhely). F\u0151k\u00e9nt a rejtett azonos\u00edt\u00e1st k\u00fcls\u0151 szolg\u00e1ltat\u00f3k \u00e1ltal biztos\u00edtott szkriptek v\u00e9gzik, amelyek a csal\u00e1sok elleni k\u00fczdelemhez<\/a><\/noindex> \u00e9s a botok kisz\u0171r\u00e9s\u00e9hez, valamint a hirdet\u00e9si h\u00e1l\u00f3zatok \u00e9s a felhaszn\u00e1l\u00f3mozg\u00e1s nyomon k\u00f6vet\u00e9s\u00e9re szolg\u00e1l\u00f3 rendszerekhez.
\n

\"A<\/a><\/noindex><\/center><\/p>\n

A rejtett azonos\u00edt\u00e1st v\u00e9gz\u0151 k\u00f3dok \u00e9szlel\u00e9s\u00e9re az FP-Inspector<\/a><\/noindex>, amelynek k\u00f3dja aj\u00e1nlott<\/a><\/noindex> MIT licenc alatt \u00e1ll. Az eszk\u00f6z az addit\u00edv \u00e9s a statikus \u00e9s dinamikus JavaScript k\u00f3d elemz\u00e9s kombin\u00e1l\u00e1s\u00e1val g\u00e9pi tanul\u00e1si m\u00f3dszereket haszn\u00e1l. A g\u00e9pi tanul\u00e1s alkalmaz\u00e1s\u00e1nak k\u00f6sz\u00f6nhet\u0151en jelent\u0151sen megn\u00f6velhet\u0151 a rejtett azonos\u00edt\u00e1sra szolg\u00e1l\u00f3 k\u00f3dok \u00e9szlel\u00e9s\u00e9nek pontoss\u00e1ga, \u00e9s 26% -kal t\u00f6bb probl\u00e9m\u00e1s szkriptet lehet felfedezni
\na manu\u00e1lisan megadott heuristik\u00e1hoz k\u00e9pest. <\/p>\n

A felfedezett azonos\u00edt\u00f3 szkriptek t\u00f6bbs\u00e9ge hi\u00e1nyzott a szok\u00e1sos blokkol\u00f3 list\u00e1kb\u00f3l, Disconnect<\/a><\/noindex>, Adsafe<\/a><\/noindex>, DuckDuckGo, Justuno<\/a><\/noindex> \u00e9s EasyPrivacy<\/a><\/noindex>.
\nA \u00e9rtes\u00edt\u00e9s<\/a><\/noindex> elk\u00fcld\u00e9se ut\u00e1n k\u00e9sz\u00fclt<\/a><\/noindex> a blokkol\u00f3 lista fejleszt\u0151i sz\u00e1m\u00e1ra k\u00fcl\u00f6n szekci\u00f3t alak\u00edtottak ki a rejtett azonos\u00edt\u00e1si szkriptekhez. Ezen k\u00edv\u00fcl, az FP-Inspector lehet\u0151v\u00e9 tette \u00faj Web API haszn\u00e1lati m\u00f3dok felfedez\u00e9s\u00e9t is az azonos\u00edt\u00e1sra, amelyek kor\u00e1bban nem voltak jelen a gyakorlatban.<\/p>\n

P\u00e9ld\u00e1ul meg\u00e1llap\u00edtott\u00e1k, hogy haszn\u00e1lj\u00e1k a billenty\u0171zetelrendez\u00e9s azonos\u00edt\u00e1s\u00e1ra szolg\u00e1l\u00f3 inform\u00e1ci\u00f3kat (getLayoutMap), a gyors\u00edt\u00f3t\u00e1rban l\u00e9v\u0151 marad\u00e9kadatokat (a teljes\u00edtm\u00e9nyelemz\u0151 API seg\u00edts\u00e9g\u00e9vel elemzik az adatok visszaad\u00e1s\u00e1nak k\u00e9sleltet\u00e9s\u00e9t, ami lehet\u0151v\u00e9 teszi annak meghat\u00e1roz\u00e1s\u00e1t, hogy a felhaszn\u00e1l\u00f3 kapcsolatba l\u00e9pett-e egy adott dom\u00e9nnal, vagy megnyitott-e kor\u00e1bban egy oldalt), a b\u00f6ng\u00e9sz\u0151ben be\u00e1ll\u00edtott jogosults\u00e1gokat (inform\u00e1ci\u00f3k a Notification, Geolocation \u00e9s Camera API-hozz\u00e1f\u00e9r\u00e9sr\u0151l), a speci\u00e1lis perif\u00e9ri\u00e1k \u00e9s ritka \u00e9rz\u00e9kel\u0151k (j\u00e1t\u00e9kkonzolok, virtu\u00e1lis val\u00f3s\u00e1g sisakok, k\u00f6zels\u00e9gi \u00e9rz\u00e9kel\u0151k) megl\u00e9t\u00e9t. Tov\u00e1bb\u00e1 r\u00f6gz\u00edtett\u00e9k a speci\u00e1lis b\u00f6ng\u00e9sz\u0151k API-jainak megl\u00e9t\u00e9t \u00e9s az API-k viselked\u00e9s\u00e9nek elt\u00e9r\u00e9seit (AudioWorklet, setTimeout, mozRTCSessionDescription), valamint az AudioContext API haszn\u00e1lat\u00e1t a hangrendszer saj\u00e1toss\u00e1gainak meghat\u00e1roz\u00e1s\u00e1ra. <\/p>\n

A kutat\u00e1s sor\u00e1n a rejtett azonos\u00edt\u00e1s elleni v\u00e9dekez\u00e9si m\u00f3dszerek alkalmaz\u00e1s\u00e1nak hat\u00e1sait is megvizsg\u00e1lt\u00e1k, amelyek a webhelyek m\u0171k\u00f6d\u00e9s\u00e9nek megs\u00e9rt\u00e9s\u00e9hez vezethetnek, blokkolva a h\u00e1l\u00f3zati lek\u00e9rdez\u00e9seket vagy korl\u00e1tozva az API-hoz val\u00f3 hozz\u00e1f\u00e9r\u00e9st. Kimutatt\u00e1k, hogy az API-k szelekt\u00edv korl\u00e1toz\u00e1sa csak a FP-Inspector \u00e1ltal \u00e9szlelt szkriptek sz\u00e1m\u00e1ra kevesebb m\u0171k\u00f6d\u00e9si zavart okoz, mint a Brave \u00e9s a Tor b\u00f6ng\u00e9sz\u0151ben alkalmazott szigor\u00fabb \u00e1ltal\u00e1nos API-h\u00edv\u00e1s korl\u00e1toz\u00e1sok, amelyek potenci\u00e1lisan adatsziv\u00e1rg\u00e1shoz vezethetnek.<\/p>\n

\r\n \"Vide\u00f3\r\n
<\/div>\r\n <\/div><\/center><\/p>\n

<\/a><\/noindex><\/p>\n

Forr\u00e1s: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

\u0413\u0440\u0443\u043f\u043f\u0430 \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439 \u0438\u0437 Mozilla, \u0410\u0439\u043e\u0432\u0441\u043a\u043e\u0433\u043e \u0443\u043d\u0438\u0432\u0435\u0440\u0441\u0438\u0442\u0435\u0442\u0430 \u0438 \u041a\u0430\u043b\u0438\u0444\u043e\u0440\u043d\u0438\u0439\u0441\u043a\u043e\u0433\u043e \u0443\u043d\u0438\u0432\u0435\u0440\u0441\u0438\u0442\u0435\u0442\u0430 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u0438\u0442\u043e\u0433\u0438 \u0438\u0437\u0443\u0447\u0435\u043d\u0438\u044f \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f \u043d\u0430 \u0441\u0430\u0439\u0442\u0430\u0445 \u043a\u043e\u0434\u0430 \u0434\u043b\u044f \u0441\u043a\u0440\u044b\u0442\u043e\u0439 \u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439. \u041f\u043e\u0434 \u0441\u043a\u0440\u044b\u0442\u043e\u0439 \u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u043f\u043e\u043d\u0438\u043c\u0430\u0435\u0442\u0441\u044f \u0433\u0435\u043d\u0435\u0440\u0430\u0446\u0438\u044f \u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u043e\u0440\u043e\u0432 \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u043a\u043e\u0441\u0432\u0435\u043d\u043d\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 \u043e \u0440\u0430\u0431\u043e\u0442\u0435 \u0431\u0440\u0430\u0443\u0437\u0435\u0440\u0430, \u0442\u0430\u043a\u0438\u0445 \u043a\u0430\u043a \u0440\u0430\u0437\u0440\u0435\u0448\u0435\u043d\u0438\u0435 \u044d\u043a\u0440\u0430\u043d\u0430, \u0441\u043f\u0438\u0441\u043e\u043a \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u043c\u044b\u0445 MIME-\u0442\u0438\u043f\u043e\u0432, \u0441\u043f\u0435\u0446\u0438\u0444\u0438\u0447\u043d\u044b\u0435 \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u044b \u0432 \u0437\u0430\u0433\u043e\u043b\u043e\u0432\u043a\u0430\u0445 (HTTP\/2 \u0438 HTTPS), \u0430\u043d\u0430\u043b\u0438\u0437 \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u043d\u044b\u0445 \u043f\u043b\u0430\u0433\u0438\u043d\u043e\u0432 \u0438 \u0448\u0440\u0438\u0444\u0442\u043e\u0432, \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u043e\u0441\u0442\u044c \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0451\u043d\u043d\u044b\u0445 Web […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":92491,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-92490","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47A legnagyobb ezer webhely 30%-a rejtett azonos\u00edt\u00e1si szkripteket haszn\u00e1l | ProHoster","description":"A Mozilla, az Iowai Egyetem \u00e9s a Kaliforniai Egyetem kutat\u00f3csoportja k\u00f6zz\u00e9tette a tanulm\u00e1ny eredm\u00e9nyeit.","canonical_url":"https:\/\/prohoster.info\/hu\/blog\/news\/30-iz-tysyachi-krupnejshih-sajtov-ispolzuyut-skripty-dlya-skrytoj-identifikaczii","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"hu_HU","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd4730% \u0438\u0437 \u0442\u044b\u0441\u044f\u0447\u0438 \u043a\u0440\u0443\u043f\u043d\u0435\u0439\u0448\u0438\u0445 \u0441\u0430\u0439\u0442\u043e\u0432 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u044e\u0442 \u0441\u043a\u0440\u0438\u043f\u0442\u044b \u0434\u043b\u044f \u0441\u043a\u0440\u044b\u0442\u043e\u0439 \u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 | ProHoster","og:description":"\u0413\u0440\u0443\u043f\u043f\u0430 \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439 \u0438\u0437 Mozilla, \u0410\u0439\u043e\u0432\u0441\u043a\u043e\u0433\u043e \u0443\u043d\u0438\u0432\u0435\u0440\u0441\u0438\u0442\u0435\u0442\u0430 \u0438 \u041a\u0430\u043b\u0438\u0444\u043e\u0440\u043d\u0438\u0439\u0441\u043a\u043e\u0433\u043e \u0443\u043d\u0438\u0432\u0435\u0440\u0441\u0438\u0442\u0435\u0442\u0430 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u0438\u0442\u043e\u0433\u0438 \u0438\u0437\u0443\u0447\u0435\u043d\u0438\u044f.","og:url":"https:\/\/prohoster.info\/hu\/blog\/news\/30-iz-tysyachi-krupnejshih-sajtov-ispolzuyut-skripty-dlya-skrytoj-identifikaczii","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2020-08-27T17:42:37+00:00","article:modified_time":"2020-08-27T17:42:37+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"92490","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":null,"schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":null,"breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2021-02-28 12:07:40","updated":"2022-09-27 21:36:39","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts\/92490","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/comments?post=92490"}],"version-history":[{"count":0,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/posts\/92490\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/media\/92491"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/media?parent=92490"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/categories?post=92490"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/hu\/wp-json\/wp\/v2\/tags?post=92490"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}