{"id":84555,"date":"2020-06-09T01:41:56","date_gmt":"2020-06-08T23:41:56","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-ublock-origin-dobavlena-blokirovka-skriptov-dlya-skanirovaniya-setevyh-portov"},"modified":"2020-06-09T01:41:56","modified_gmt":"2020-06-08T23:41:56","slug":"v-ublock-origin-dobavlena-blokirovka-skriptov-dlya-skanirovaniya-setevyh-portov","status":"publish","type":"post","link":"https:\/\/prohoster.info\/de\/blog\/novosti-interneta\/v-ublock-origin-dobavlena-blokirovka-skriptov-dlya-skanirovaniya-setevyh-portov","title":{"rendered":"uBlock Origin hat die Blockierung von Skripten zum Scannen von Netzwerkports hinzugef\u00fcgt.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Im verwendeten uBlock Origin Filter <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/easylist\/easylist\/tree\/master\/easyprivacy\">EasyPrivacy.<\/a><\/noindex> wurden Regeln zum Blockieren typischer Port-Scanning-Skripte auf dem lokalen System des Benutzers hinzugef\u00fcgt. Wir erinnern daran, dass im Mai <noindex><a rel=\"nofollow\" href=\"https:\/\/nullsweep.com\/why-is-this-website-port-scanning-me\/\">aufgedeckt wurde<\/a><\/noindex> das Scannen lokaler Ports beim \u00d6ffnen der Website eBay.com. Es stellte sich heraus, dass diese Praxis nicht auf eBay beschr\u00e4nkt ist und viele <noindex><a rel=\"nofollow\" href=\"https:\/\/docs.google.com\/spreadsheets\/d\/1Nu4lpyZ5PQUIpiLJBddXnr67t5-1y0u40dzyzSYj1gc\/edit#gid=0\">andere Websites<\/a><\/noindex> (Citibank, TD Bank, Sky, GumTree, WePay usw.) Port-Scanning des lokalen Systems des Benutzers beim \u00d6ffnen ihrer Seiten durchf\u00fchren, indem sie Code nutzen, um Versuche von gehackten Computern zu identifizieren, der von dem Dienst ThreatMetrix bereitgestellt wird.<\/p>\n<p>Im Fall von eBay wurde das Scannen von 14 Netzwerkports \u00fcberpr\u00fcft, die mit Fernzugangsservern wie VNC, TeamViewer, Anyplace Control, Aeroadmin, Ammy Admin und RDP assoziiert sind. Wahrscheinlich wird die \u00dcberpr\u00fcfung durchgef\u00fchrt <noindex><a rel=\"nofollow\" href=\"https:\/\/blog.nem.ec\/2020\/05\/24\/ebay-port-scanning\/\">um die<\/a><\/noindex> auf nachweisbare Spuren einer Malware-Infektion, um betr\u00fcgerische K\u00e4ufe unter Verwendung von Botnets zu verhindern. Das Scannen kann auch verwendet werden, um Daten zur indirekten <noindex><a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=50176\">Identifizierung des Benutzers zu sammeln.<\/a><\/noindex>.<\/p>\n<p>F\u00fcr das Scannen wird eine Technik angewendet, die darauf basiert, Verbindungen zu verschiedenen Netzwerkports des Hosts 127.0.0.1 (localhost) herzustellen durch <noindex><a rel=\"nofollow\" href=\"https:\/\/ru.wikipedia.org\/wiki\/WebSocket\">WebSocket<\/a><\/noindex>. Das Vorhandensein eines offenen Netzwerkports wird indirekt anhand der Unterschiede in der Fehlerbehandlung von Verbindungen zu aktiven und ungenutzten Netzwerkports bestimmt. WebSocket erlaubt nur das Senden von HTTP-Anfragen, aber eine solche Anfrage an einen inaktiven Netzwerkport endet sofort mit einem Fehler, w\u00e4hrend der aktive Port nur einige Zeit ben\u00f6tigt, um zu versuchen, die Verbindung herzustellen. Zudem gibt WebSocket im Fall eines inaktiven Ports einen Verbindungsfehlercode (ERR_CONNECTION_REFUSED) aus, w\u00e4hrend bei einem aktiven Port \u2014 den Code f\u00fcr einen Verbindungsvereinbarungsfehler. <\/p>\n<p><center><noindex><a rel=\"nofollow\" href=\"https:\/\/nullsweep.com\/content\/images\/2020\/05\/ebay_port_scan-1.png\"><img decoding=\"async\" alt=\"uBlock Origin hat die Blockierung von Skripten zum Scannen von Netzwerkports hinzugef\u00fcgt.\" src=\"\/wp-content\/uploads\/2020\/06\/a9250f9331486b7871c7446eb59010a8.png\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/p>\n<p>Neben dem Scannen von Ports kann WebSockets auch <noindex><a rel=\"nofollow\" href=\"https:\/\/medium.com\/@stestagg\/stealing-secrets-from-developers-using-websockets-254f98d577a0\">umgesetzt<\/a><\/noindex> f\u00fcr Angriffe auf Systeme von Webentwicklern verwendet werden, die WebSocket-Handler f\u00fcr React-Anwendungen auf dem lokalen System ausf\u00fchren. Eine externe Website kann Netzwerkports durchgehen, das Vorhandensein eines solchen Handlers feststellen und sich mit ihm verbinden. Wenn der Entwickler einen Fehler macht, kann der Angreifer den Inhalt von Debug-Daten erhalten, die m\u00f6glicherweise fragmentarische vertrauliche Informationen enthalten.<\/p>\n<p> <center><noindex><a rel=\"nofollow\" href=\"https:\/\/miro.medium.com\/max\/1400\/1*AYuqFr8n8-_nhrqxCc0LqA.png\"><img decoding=\"async\" alt=\"uBlock Origin hat die Blockierung von Skripten zum Scannen von Netzwerkports hinzugef\u00fcgt.\" src=\"\/wp-content\/uploads\/2020\/06\/b253f2b0f98b3b3a41e69d8e1ab3cc57.png\" style=\"display:block;margin: 0 auto;\" \/><\/a><\/noindex><\/center><\/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=53113\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u0412 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u044b\u0439 \u0432 uBlock Origin \u0444\u0438\u043b\u044c\u0442\u0440 EasyPrivacy \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u044b \u043f\u0440\u0430\u0432\u0438\u043b\u0430 \u0434\u043b\u044f \u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u043a\u0438 \u0442\u0438\u043f\u043e\u0432\u044b\u0445 \u0441\u043a\u0440\u0438\u043f\u0442\u043e\u0432 \u0441\u043a\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u044f \u0441\u0435\u0442\u0435\u0432\u044b\u0445 \u043f\u043e\u0440\u0442\u043e\u0432 \u043d\u0430 \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u0435 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f. \u041d\u0430\u043f\u043e\u043c\u043d\u0438\u043c, \u0447\u0442\u043e \u0432 \u043c\u0430\u0435 \u0431\u044b\u043b\u043e \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u043e \u0441\u043a\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u044b\u0445 \u043f\u043e\u0440\u0442\u043e\u0432 \u043f\u0440\u0438 \u043e\u0442\u043a\u0440\u044b\u0442\u0438\u0438 \u0441\u0430\u0439\u0442\u0430 eBay.com. \u0412\u044b\u044f\u0441\u043d\u0438\u043b\u043e\u0441\u044c, \u0447\u0442\u043e \u043f\u043e\u0434\u043e\u0431\u043d\u0430\u044f \u043f\u0440\u0430\u043a\u0442\u0438\u043a\u0430 \u043d\u0435 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0438\u0432\u0430\u0435\u0442\u0441\u044f eBay \u0438 \u043c\u043d\u043e\u0433\u0438\u0435 \u0434\u0440\u0443\u0433\u0438\u0435 \u0441\u0430\u0439\u0442\u044b (Citibank, TD Bank, Sky, GumTree, WePay \u0438 \u0442.\u043f.) \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u044e\u0442 \u0441\u043a\u0430\u043d\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 \u043f\u043e\u0440\u0442\u043e\u0432 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":84556,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-84555","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-novosti-interneta"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.0.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u0412 \u043f\u0440\u0438\u043c\u0435\u043d\u044f\u0435\u043c\u044b\u0439 \u0432 uBlock Origin \u0444\u0438\u043b\u044c\u0442\u0440 EasyPrivacy \u0434\u043e\u0431\u0430\u0432\u043b\u0435\u043d\u044b \u043f\u0440\u0430\u0432\u0438\u043b\u0430 \u0434\u043b\u044f \u0431\u043b\u043e\u043a\u0438\u0440\u043e\u0432\u043a\u0438 \u0442\u0438\u043f\u043e\u0432\u044b\u0445 \u0441\u043a\u0440\u0438\u043f\u0442\u043e\u0432.\" \/>\n\t<meta name=\"robots\" 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