{"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\/hu\/blog\/news\/v-ublock-origin-dobavlena-blokirovka-skriptov-dlya-skanirovaniya-setevyh-portov","title":{"rendered":"Az uBlock Originhez \u00faj blokk funkci\u00f3t adtak hozz\u00e1 a h\u00e1l\u00f3zati portok felt\u00e9rk\u00e9pez\u00e9s\u00e9nek megakad\u00e1lyoz\u00e1s\u00e1ra.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

A haszn\u00e1lt uBlock Origin sz\u0171r\u0151ben EasyPrivacy<\/a><\/noindex> hozz\u00e1adt\u00e1k a helyi felhaszn\u00e1l\u00f3i rendszer h\u00e1l\u00f3zati portjainak szkennel\u00e9s\u00e9t blokkol\u00f3 szab\u00e1lyokat. Eml\u00e9keztet\u00fcnk, hogy m\u00e1jusban felfedez\u00e9sre ker\u00fclt<\/a><\/noindex> a helyi portok szkennel\u00e9se az eBay.com weboldal megnyit\u00e1sakor. Kider\u00fclt, hogy az ilyen gyakorlat nem korl\u00e1toz\u00f3dik az eBay-re, \u00e9s sok m\u00e1sik weboldal<\/a><\/noindex> (Citibank, TD Bank, Sky, GumTree, WePay stb.) alkalmazza a felhaszn\u00e1l\u00f3i rendszer helyi portjainak szkennel\u00e9s\u00e9t az oldalaik megnyit\u00e1sakor, a ThreatMetrix szolg\u00e1ltat\u00e1sa \u00e1ltal ny\u00fajtott k\u00f3dot felhaszn\u00e1lva, hogy azonos\u00edts\u00e1k a felt\u00f6rt sz\u00e1m\u00edt\u00f3g\u00e9pekb\u0151l \u00e9rkez\u0151 hozz\u00e1f\u00e9r\u00e9si k\u00eds\u00e9rleteket.<\/p>\n

Az eBay eset\u00e9ben 14 h\u00e1l\u00f3zati port ellen\u0151rz\u00e9se zajlott, amelyek t\u00e1voli hozz\u00e1f\u00e9r\u00e9si szerverekkel kapcsolatosak, mint p\u00e9ld\u00e1ul a VNC, TeamViewer, Anyplace Control, Aeroadmin, Ammy Admin \u00e9s az RDP. Val\u00f3sz\u00edn\u0171, hogy az ellen\u0151rz\u00e9s c\u00e9lja<\/a><\/noindex> a rendszert k\u00e1ros szoftverekkel \u00e9rintett nyomok \u00e9szlel\u00e9s\u00e9nek meghat\u00e1roz\u00e1sa a botnetek \u00e1ltal t\u00f6rt\u00e9n\u0151 csal\u00e1rd v\u00e1s\u00e1rl\u00e1sok megakad\u00e1lyoz\u00e1sa c\u00e9lj\u00e1b\u00f3l. A szkennel\u00e9st arra is haszn\u00e1lhatj\u00e1k, hogy adatokat gy\u0171jtsenek az felhaszn\u00e1l\u00f3 k\u00f6zvetett azonos\u00edt\u00e1s\u00e1hoz<\/a><\/noindex>.<\/p>\n

A szkennel\u00e9shez egy technik\u00e1t alkalmaznak, amely a 127.0.0.1 (localhost) gazda k\u00fcl\u00f6nf\u00e9le h\u00e1l\u00f3zati portjaira t\u00f6rt\u00e9n\u0151 kapcsol\u00f3d\u00e1si k\u00eds\u00e9rletek alapj\u00e1n m\u0171k\u00f6dik. WebSocket<\/a><\/noindex>A nyitott h\u00e1l\u00f3zati portok jelenl\u00e9t\u00e9nek t\u00e9nye k\u00f6zvetetten az akt\u00edv \u00e9s inakt\u00edv h\u00e1l\u00f3zati portok csatlakoz\u00e1si hib\u00e1inak elt\u00e9r\u0151 kezel\u00e9s\u00e9b\u0151l hat\u00e1rozhat\u00f3 meg. A WebSocket csak HTTP-k\u00e9r\u00e9sek k\u00fcld\u00e9s\u00e9re k\u00e9pes, de az inakt\u00edv h\u00e1l\u00f3zati portra ir\u00e1nyul\u00f3 k\u00e9r\u00e9s azonnal hib\u00e1val z\u00e1rul, m\u00edg az akt\u00edv portra ir\u00e1nyul\u00f3 k\u00e9r\u00e9s csak egy ideig tart, m\u00edg a kapcsolat l\u00e9trehoz\u00e1s\u00e1ra ir\u00e1nyul\u00f3 k\u00eds\u00e9rlet zajlik. Ezen k\u00edv\u00fcl, ha a port inakt\u00edv, a WebSocket kapcsol\u00f3d\u00e1si hiba k\u00f3dot ad (ERR_CONNECTION_REFUSED), m\u00edg ha akt\u00edv, akkor a kapcsolatot l\u00e9trehoz\u00f3 hiba k\u00f3dot ad. <\/p>\n

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

A WebSocket portszkennel\u00e9s\u00e9n k\u00edv\u00fcl szint\u00e9n MITM v\u00e9grehajt\u00e1s\u00e1ra, de blokkol\u00f3dnak a Firefox tan\u00fas\u00edtv\u00e1ny-t\u00e1rol\u00f3j\u00e1nak haszn\u00e1latakor);<\/a><\/noindex> t\u00e1mad\u00e1sok c\u00e9lpontj\u00e1v\u00e1 v\u00e1lhat a webfejleszt\u0151k helyi rendszeren WebSocket-kezel\u0151ket futtat\u00f3 rendszereire. Egy k\u00fcls\u0151 weboldal pr\u00f3b\u00e1lkozhat a h\u00e1l\u00f3zati portok tel\u00edt\u00e9s\u00e9vel, az ilyen kezel\u0151 jelenl\u00e9t\u00e9nek meghat\u00e1roz\u00e1s\u00e1val \u00e9s az ahhoz val\u00f3 csatlakoz\u00e1ssal. Ha a fejleszt\u0151 hib\u00e1zik, a t\u00e1mad\u00f3 hozz\u00e1f\u00e9rhet a hibakeres\u00e9si adatok tartalm\u00e1hoz, amelyek bizalmas inform\u00e1ci\u00f3kat tartalmazhatnak.<\/p>\n

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

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

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

\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 […]<\/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-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 uBlock Origin-ban hozz\u00e1adt\u00e1k a h\u00e1l\u00f3zati portok szkennel\u00e9s\u00e9nek blokkol\u00e1s\u00e1t | ProHoster","description":"A haszn\u00e1lt uBlock Origin sz\u0171r\u0151h\u00f6z, az EasyPrivacy-hez hozz\u00e1adt\u00e1k a helyi jelleg\u0171 szkriptek blokkol\u00e1s\u00e1hoz sz\u00fcks\u00e9ges 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