{"id":37277,"date":"2019-10-31T22:16:45","date_gmt":"2019-10-31T19:16:45","guid":{"rendered":"https:\/\/prohoster.info\/blog\/opendrop-otkrytaya-realizatsii-tehnologii-apple-airdrop\/"},"modified":"2019-10-31T22:16:45","modified_gmt":"2019-10-31T19:16:45","slug":"opendrop-otkrytaya-realizatsii-tehnologii-apple-airdrop","status":"publish","type":"post","link":"https:\/\/prohoster.info\/de\/blog\/news\/opendrop-otkrytaya-realizatsii-tehnologii-apple-airdrop","title":{"rendered":"OpenDrop \u2014 eine offene Umsetzung der Apple AirDrop-Technologie","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Projekt <noindex><a rel=\"nofollow\" href=\"https:\/\/owlink.org\/\">Offene drahtlose Verbindung<\/a><\/noindex>, der sich mit der Analyse propriet\u00e4rer drahtloser Protokolle von Apple besch\u00e4ftigt, <noindex><a rel=\"nofollow\" href=\"https:\/\/www.usenix.org\/conference\/usenixsecurity19\/presentation\/stute\">vor<\/a><\/noindex> auf der USENIX-Konferenz 2019 <noindex><a rel=\"nofollow\" href=\"https:\/\/www.usenix.org\/system\/files\/sec19-stute.pdf\">Bericht<\/a><\/noindex> mit einer Analyse von Schwachstellen in den drahtlosen Protokollen von Apple (M\u00f6glichkeiten f\u00fcr MITM-Angriffe zur Modifizierung der zwischen Ger\u00e4ten \u00fcbertragenen Dateien, DoS-Angriffe zur Blockierung der Interaktion zwischen Ger\u00e4ten und zum Hervorrufen von Ger\u00e4tetrigs sowie die Nutzung von AirDrop zur Identifizierung und Verfolgung von Nutzern). Im Rahmen der durchgef\u00fchrten Forschung wurden Open-Source-Implementierungen des AWDL-Protokolls (Apple Wireless Direct Link) und der Technologie <noindex><a rel=\"nofollow\" href=\"https:\/\/en.wikipedia.org\/wiki\/AirDrop\">AirDrop<\/a><\/noindex>, deren Details durch Reverse Engineering gewonnen wurden, vorbereitet.<\/p>\n<p> Die AWDL-Implementierung ist in C geschrieben und als Linux-Anwendung ver\u00f6ffentlicht worden <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/seemoo-lab\/owl\">owl<\/a><\/noindex> (Open Wireless Link), die die Netlink-API verwendet, um Wi-Fi-spezifische Operationen wie das Wechseln von Kan\u00e4len auszuf\u00fchren. Die Integration mit dem Netzwerk-Stack erfolgt \u00fcber eine virtuelle Netzwerkschnittstelle, die Anwendungen mit IPv6-Unterst\u00fctzung die Nutzung des AWDL-Protokolls ohne \u00c4nderungen im Code erm\u00f6glicht. Der Betrieb ist auf Netzwerkkarten m\u00f6glich, die aktives Monitoring unterst\u00fctzen, was das Einf\u00fcgen von Paketen erlaubt (zum Beispiel unterst\u00fctzt in Atheros AR9280).<\/p>\n<p>Das AWDL-Protokoll bildet die Grundlage f\u00fcr die drahtlosen Technologien von Apple, die zur Einrichtung einer direkten Interaktion zwischen Ger\u00e4ten ohne vorherige Konfiguration und Kopplung verwendet werden. Auf Basis von AWDL arbeitet unter anderem der AirDrop-Dienst, der den Austausch von Dateien \u00fcber Wi-Fi und Bluetooth erm\u00f6glicht. Die von den Forschern vorbereiteten AirDrop-Komponenten sind in Python geschrieben und im Rahmen des Projekts <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/seemoo-lab\/opendrop\">OpenDrop<\/a><\/noindex>. Der Code von owl und OpenDrop steht unter der GPLv3-Lizenz.<\/p>\n<p>OpenDrop bietet eine Befehlszeilenschnittstelle, die den Austausch von Dateien zwischen Ger\u00e4ten \u00fcber Wi-Fi erm\u00f6glicht. Auf Protokollebene ist die Implementierung vollst\u00e4ndig kompatibel mit Apple-Ger\u00e4ten, was die Interaktion von auf Linux basierenden Systemen mit iOS- und macOS-Ger\u00e4ten erm\u00f6glicht. Das Senden von Dateien ist nur an Apple-Ger\u00e4te erlaubt, die sich im Modus der unbegrenzten Erkennung durch andere Benutzer befinden, da die gezielte Erkennung von Ger\u00e4ten und das Senden \u00fcber das Adressbuch eine digitale Signatur von Apple erfordern. <\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Quelle: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=51313\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041f\u0440\u043e\u0435\u043a\u0442 Open Wireless Link, \u0437\u0430\u043d\u0438\u043c\u0430\u044e\u0449\u0438\u0439\u0441\u044f \u0440\u0430\u0437\u0431\u043e\u0440\u043e\u043c \u043f\u0440\u043e\u043f\u0440\u0438\u0435\u0442\u0430\u0440\u043d\u044b\u0445 \u0431\u0435\u0441\u043f\u0440\u043e\u0432\u043e\u0434\u043d\u044b\u0445 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u043e\u0432 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Apple, \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u0438\u043b \u043d\u0430 \u043a\u043e\u043d\u0444\u0435\u0440\u0435\u043d\u0446\u0438\u0438 USENIX 2019 \u0434\u043e\u043a\u043b\u0430\u0434 \u0441 \u0430\u043d\u0430\u043b\u0438\u0437\u043e\u043c \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u0432 \u0431\u0435\u0441\u043f\u0440\u043e\u0432\u043e\u0434\u043d\u044b\u0445 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0430\u0445 Apple (\u043d\u0430\u0439\u0434\u0435\u043d\u044b \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 \u0441\u043e\u0432\u0435\u0440\u0448\u0435\u043d\u0438\u044f MiTM-\u0430\u0442\u0430\u043a\u0438 \u0434\u043b\u044f \u043c\u043e\u0434\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u043f\u0435\u0440\u0435\u0434\u0430\u0432\u0430\u0435\u043c\u044b\u0445 \u043c\u0435\u0436\u0434\u0443 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0430\u043c\u0438 \u0444\u0430\u0439\u043b\u043e\u0432, DoS-\u0430\u0442\u0430\u043a\u0438 \u0434\u043b\u044f \u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0432\u0437\u0430\u0438\u043c\u043e\u0434\u0435\u0439\u0441\u0442\u0432\u0438\u044f \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432 \u0438 \u0432\u044b\u0437\u043e\u0432\u0430 \u0437\u0430\u0432\u0438\u0441\u0430\u043d\u0438\u044f \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432, \u0430 \u0442\u0430\u043a\u0436\u0435 \u043f\u0440\u0438\u043c\u0435\u043d\u0435\u043d\u0438\u044f AirDrop \u0434\u043b\u044f \u0438\u0434\u0435\u043d\u0442\u0438\u0444\u0438\u043a\u0430\u0446\u0438\u0438 \u0438 \u043e\u0442\u0441\u043b\u0435\u0436\u0438\u0432\u0430\u043d\u0438\u044f \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439). \u0412 \u0445\u043e\u0434\u0435 \u043f\u0440\u043e\u0432\u0435\u0434\u0451\u043d\u043d\u043e\u0433\u043e [&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-37277","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\u0435\u043a\u0442 Open Wireless Link, \u0437\u0430\u043d\u0438\u043c\u0430\u044e\u0449\u0438\u0439\u0441\u044f \u0440\u0430\u0437\u0431\u043e\u0440\u043e\u043c \u043f\u0440\u043e\u043f\u0440\u0438\u0435\u0442\u0430\u0440\u043d\u044b\u0445 \u0431\u0435\u0441\u043f\u0440\u043e\u0432\u043e\u0434\u043d\u044b\u0445 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u043e\u0432 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Apple,\" \/>\n\t<meta name=\"robots\" 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