{"id":72851,"date":"2020-03-05T02:41:57","date_gmt":"2020-03-04T23:41:57","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/vozmozhnost-registraczii-fishingovyh-domenov-s-pohozhimi-unicode-simvolami-v-imeni"},"modified":"2020-03-05T02:41:57","modified_gmt":"2020-03-04T23:41:57","slug":"vozmozhnost-registraczii-fishingovyh-domenov-s-pohozhimi-unicode-simvolami-v-imeni","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/vozmozhnost-registraczii-fishingovyh-domenov-s-pohozhimi-unicode-simvolami-v-imeni","title":{"rendered":"Mo\u017cliwo\u015b\u0107 rejestracji phishingowych domen z podobnymi znakami unicode w nazwie","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Badacze z firmy Soluble <noindex><a rel=\"nofollow\" href=\"https:\/\/www.soluble.ai\/blog\/public-disclosure-emoji-to-zero-day\">ujawnili<\/a><\/noindex> nowa metoda rejestracji domen z <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%9E%D0%BC%D0%BE%D0%B3%D0%BB%D0%B8%D1%84\">homoglyphami<\/a><\/noindex>, zewn\u0119trznie podobnymi do innych domen, ale faktycznie r\u00f3\u017cni\u0105cymi si\u0119 z powodu obecno\u015bci znak\u00f3w o innym znaczeniu. Takie mi\u0119dzynarodowe domeny (<noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/IDN\">IDN<\/a><\/noindex>) mog\u0105 na pierwszy rzut oka nie r\u00f3\u017cni\u0107 si\u0119 od domen znanych firm i us\u0142ug, co pozwala u\u017cywa\u0107 ich do phishingu, w tym uzyskuj\u0105c dla nich w\u0142a\u015bciwe certyfikaty TLS.<\/p>\n<p>Klasyczna podmiana przez podobny zewn\u0119trznie domen\u0119 IDN jest od dawna blokowana w przegl\u0105darkach i przez rejestrator\u00f3w, dzi\u0119ki zakazowi mieszania znak\u00f3w z r\u00f3\u017cnych alfabet\u00f3w. Na przyk\u0142ad, zamiast domeny apple.com (&#171;xn--pple-43d.com&#187;) nie da si\u0119 utworzy\u0107 przez zamian\u0119 \u0142aci\u0144skiego &#171;a&#187; (U+0061) na cyrylickie &#171;\u0430&#187; (U+0430), poniewa\u017c mieszanie liter z r\u00f3\u017cnych alfabet\u00f3w w domenie jest niedopuszczalne. W 2017 roku by\u0142 <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=46394\">znaleziony<\/a><\/noindex> spos\u00f3b na obej\u015bcie podobnej ochrony poprzez wykorzystanie w domenie wy\u0142\u0105cznie znak\u00f3w unicode, bez u\u017cycia \u0142aciny (na przyk\u0142ad z u\u017cyciem znak\u00f3w z j\u0119zyk\u00f3w o podobnych symbolach do \u0142aciny).<\/p>\n<p>Teraz znaleziono jeszcze jedn\u0105 metod\u0119 obej\u015bcia zabezpiecze\u0144, opart\u0105 na tym, \u017ce rejestratory blokuj\u0105 mieszanie \u0142aciny i Unicode, ale je\u015bli wskazane w domenie znaki Unicode nale\u017c\u0105 do grupy znak\u00f3w \u0142aci\u0144skich, takie mieszanie jest dopuszczalne, poniewa\u017c znaki nale\u017c\u0105 do jednego alfabetu. Problem w tym, \u017ce w rozszerzeniu <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/IPA_Extensions\">Unicode Latin IPA<\/a><\/noindex> s\u0105 homoglyphy, kt\u00f3re wygl\u0105daj\u0105 podobnie do innych znak\u00f3w alfabetu \u0142aci\u0144skiego:<br \/>\nsymbol &#171;<noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Latin_alpha\">&#593;<\/a><\/noindex>&#187; przypomina &#171;a&#187;, &#171;<noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Voiced_velar_stop\">&#609;<\/a><\/noindex>&#187; &#8212; &#171;g&#187;, &#171;<noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/Latin_iota\">&#617;<\/a><\/noindex>&#187; &#8212; &#171;l&#187;. <\/p>\n<p><center><noindex><a rel=\"nofollow\" href=\"https:\/\/www.soluble.ai\/hs-fs\/hubfs\/homoglyph4.jpeg?width=888&#038;name=homoglyph4.jpeg\"><img decoding=\"async\" alt=\"Mo\u017cliwo\u015b\u0107 rejestracji phishingowych domen z podobnymi znakami unicode w nazwie\" src=\"\/wp-content\/uploads\/2020\/03\/4c7ab1abba84d76486b24d2c9e34017e.jpeg\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<p>Mo\u017cliwo\u015b\u0107 rejestracji domen, w kt\u00f3rych \u0142acina jest mieszana z podanymi znakami Unicode, zosta\u0142a ujawniona u rejestratora Verisign (inni rejestratorzy nie byli sprawdzani), a subdomeny uda\u0142o si\u0119 stworzy\u0107 w us\u0142ugach Amazon, Google, Wasabi i DigitalOcean. Problem zosta\u0142 wykryty w listopadzie ubieg\u0142ego roku i, mimo wys\u0142anych powiadomie\u0144, po trzech miesi\u0105cach ostatnio zosta\u0142 usuni\u0119ty tylko w Amazonie i Verisign.<\/p>\n<p>W trakcie eksperymentu badacze wydali 400 dolar\u00f3w na rejestracj\u0119 w Verisign nast\u0119puj\u0105cych domen:<\/p>\n<ul>\n<li> am&#593;zon.com\n<li> ch&#593;se.com\n<li> s&#593;lesforce.com\n<li> &#609;m&#593;il.com\n<li> &#593;pp&#617;e.com\n<li> eb&#593;y.com\n<li> &#609;static.com\n<li> ste&#593;mpowered.com\n<li> the&#609;uardian.com\n<li> thever&#609;e.com\n<li> washin&#609;tonpost.com\n<li> p&#593;yp&#593;&#617;.com\n<li> w&#593;lm&#593;rt.com\n<li> w&#593;s&#593;bisys.com\n<li> y&#593;hoo.com\n<li> c&#617;oudf&#617;are.com\n<li> de&#617;&#617;.com\n<li> gm&#593;i&#617;.com\n<li> goo&#609;leapis.com\n<li> huffin&#609;tonpost.com\n<li> insta&#609;ram.com\n<li> microsofton&#617;ine.com\n<li> &#593;m&#593;zon&#593;ws.com\n<li> &#593;ndroid.com\n<li> netf&#617;ix.com\n<li> nvidi&#593;.com\n<li> &#609;oog&#617;e.com\n<\/ul>\n<p>Badacze uruchomili r\u00f3wnie\u017c <noindex><a rel=\"nofollow\" href=\"https:\/\/homoglyphs.storage.googleapis.com\">serwis online<\/a><\/noindex> aby sprawdzi\u0107 swoje domeny pod k\u0105tem mo\u017cliwych alternatyw z omoglifami, w tym sprawdzenie ju\u017c zarejestrowanych domen oraz certyfikat\u00f3w TLS z podobnymi nazwami. Je\u015bli chodzi o certyfikaty HTTPS, przez logi Certificate Transparency sprawdzono 300 domen z omoglifami, z czego dla 15 zarejestrowano generacj\u0119 certyfikat\u00f3w. <\/p>\n<p>Aktualne przegl\u0105darki Chrome i Firefox wy\u015bwietlaj\u0105 podobne domeny w pasku adresu w notacji z prefiksem &#171;xn--&#171;, niemniej w linkach domeny wygl\u0105daj\u0105 bez przekszta\u0142cenia, co mo\u017cna wykorzysta\u0107 do wstawienia na strony z\u0142o\u015bliwych zasob\u00f3w lub link\u00f3w, pod pretekstem ich \u0142adowania z legalnych witryn. Na przyk\u0142ad, na jednej z wykrytych domen z homoglifami odnotowano rozpowszechnianie z\u0142o\u015bliwej wersji biblioteki jQuery.<\/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=52479\">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 \u0438\u0437 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Soluble \u0432\u044b\u044f\u0432\u0438\u043b\u0438 \u043d\u043e\u0432\u044b\u0439 \u0441\u043f\u043e\u0441\u043e\u0431 \u0440\u0435\u0433\u0438\u0441\u0442\u0440\u0430\u0446\u0438\u0438 \u0434\u043e\u043c\u0435\u043d\u043e\u0432 \u0441 \u043e\u043c\u043e\u0433\u043b\u0438\u0444\u0430\u043c\u0438, \u0432\u043d\u0435\u0448\u043d\u0435 \u043f\u043e\u0445\u043e\u0436\u0438\u043c\u0438 \u043d\u0430 \u0434\u0440\u0443\u0433\u0438\u0435 \u0434\u043e\u043c\u0435\u043d\u044b, \u043d\u043e \u0444\u0430\u043a\u0442\u0438\u0447\u0435\u0441\u043a\u0438 \u043e\u0442\u043b\u0438\u0447\u0430\u044e\u0449\u0438\u0435\u0441\u044f \u0438\u0437-\u0437\u0430 \u043d\u0430\u043b\u0438\u0447\u0438\u044f \u0441\u0438\u043c\u0432\u043e\u043b\u043e\u0432 \u0441 \u0438\u043d\u044b\u043c \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435\u043c. \u041f\u043e\u0434\u043e\u0431\u043d\u044b\u0435 \u0438\u043d\u0442\u0435\u0440\u043d\u0430\u0446\u0438\u043e\u043d\u0430\u043b\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0435 \u0434\u043e\u043c\u0435\u043d\u044b (IDN) \u043c\u043e\u0433\u0443\u0442 \u043d\u0430 \u043f\u0435\u0440\u0432\u044b\u0439 \u0432\u0437\u0433\u043b\u044f\u0434 \u043d\u0435 \u043e\u0442\u043b\u0438\u0447\u0430\u0442\u044c\u0441\u044f \u043e\u0442 \u0434\u043e\u043c\u0435\u043d\u043e\u0432 \u0438\u0437\u0432\u0435\u0441\u0442\u043d\u044b\u0445 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0439 \u0438 \u0441\u0435\u0440\u0432\u0438\u0441\u043e\u0432, \u0447\u0442\u043e \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0438\u0445 \u0434\u043b\u044f \u0444\u0438\u0448\u0438\u043d\u0433\u0430, \u0432 \u0442\u043e\u043c \u0447\u0438\u0441\u043b\u0435 \u043f\u043e\u043b\u0443\u0447\u0430\u044f \u0434\u043b\u044f \u043d\u0438\u0445 \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u043d\u044b\u0435 TLS-\u0441\u0435\u0440\u0442\u0438\u0444\u0438\u043a\u0430\u0442\u044b. [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":72852,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-72851","post","type-post","status-publish","format-standard","has-post-thumbnail","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=\"\u0418\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u0438 \u0438\u0437 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Soluble \u0432\u044b\u044f\u0432\u0438\u043b\u0438 \u043d\u043e\u0432\u044b\u0439 \u0441\u043f\u043e\u0441\u043e\u0431 \u0440\u0435\u0433\u0438\u0441\u0442\u0440\u0430\u0446\u0438\u0438 \u0434\u043e\u043c\u0435\u043d\u043e\u0432 \u0441\" \/>\n\t<meta name=\"robots\" content=\"max-image-preview:large\" \/>\n\t<meta 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