{"id":362,"date":"2024-01-09T03:18:03","date_gmt":"2024-01-09T00:18:03","guid":{"rendered":"https:\/\/sms-txt.net\/?p=362"},"modified":"2024-09-05T12:44:58","modified_gmt":"2024-09-05T09:44:58","slug":"sms-i-pealtkuulamine","status":"publish","type":"post","link":"https:\/\/sms-txt.net\/et\/sms-i-pealtkuulamine\/sms-i-pealtkuulamine\/","title":{"rendered":"Sms pealtkuulamine"},"content":{"rendered":"<p>S\u00f5numit updateLocation kasutatakse abonendi asukoha ajakohastamiseks v\u00f5rgus. See teavitab v\u00f5rku sellest, millise VLR\/MSC-ga on abonent hetkel \u00fchendatud. Kasutades v\u00f5ltsitud updateLocation-teadet, v\u00e4idab r\u00fcndaja, et ohvri MS on \u00fchendatud tema MSC-ga. Sellisel juhul edastatakse abonendi SMSid r\u00fcndaja SMS-keskusesse, et need MSile k\u00e4tte toimetada.<\/p>\n<p>Lisaks sihtm\u00e4rgi isiklike SMSide pealtkuulamisele saab seda r\u00fcnnakut kasutada ka SMS-kontrolli kasutavate autentimiss\u00fcsteemide vastu (SMS-token, Facebooki kontroll jne) ja see v\u00f5ib viia sihtm\u00e4rgi identiteedi kompromissini.<\/p>\n<p>Teise p\u00f5lvkonna (2G) v\u00f5rgud ei pakkunud vastastikuse autentimise kontseptsiooni, mille puhul v\u00f5rk autentib end ise abonendi suhtes. See muutis abonendi haavatavaks 2G IMSI p\u00fc\u00fcdja nime all tuntud r\u00fcnnaku suhtes. Selle r\u00fcnnaku puhul v\u00f5is r\u00fcndaja, kes kasutas petturirakendust, teatada samast v\u00f5rgust kui seaduslikust v\u00f5rgust, mille v\u00f5imsus oli suurem kui tavalise v\u00f5rgu oma.<\/p>\n<p>Seej\u00e4rel \u00fchendub sihtm\u00e4rk teadmatult seadusliku v\u00f5rgu asemel petturikambriga. R\u00fcndaja peibutab k\u00f5ne ja edastab selle seej\u00e4rel sihtkohta. 3G-v\u00f5rkudes ei olnud selline r\u00fcnnak v\u00f5imalik, sest v\u00f5rk peab enne k\u00f5ne loomist autentima abonendi tagasi. Kuid SS7-le juurdep\u00e4\u00e4su korral saab r\u00fcndaja saata HLRile teise MAP-teate nimega sendAuthenticationInfo, et saada teavet, mida on vaja seadusliku v\u00f5rgu edukaks kehastamiseks.<\/p>","protected":false},"excerpt":{"rendered":"<p>S\u00f5numit updateLocation kasutatakse abonendi asukoha ajakohastamiseks v\u00f5rgus. See teavitab v\u00f5rku sellest, millise VLR\/MSC-ga on abonent hetkel \u00fchendatud. Kasutades v\u00f5ltsitud updateLocation-teadet, v\u00e4idab r\u00fcndaja, et ohvri MS on \u00fchendatud tema MSC-ga. Sellisel juhul edastatakse abonendi SMSid r\u00fcndaja...<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[69],"tags":[],"class_list":["post-362","post","type-post","status-publish","format-standard","hentry","category-sms-intercept"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.7 (Yoast SEO v27.7) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Sms Intercept<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sms-txt.net\/et\/sms-i-pealtkuulamine\/sms-i-pealtkuulamine\/\" \/>\n<meta property=\"og:locale\" content=\"et_EE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Sms Intercept\" \/>\n<meta property=\"og:description\" content=\"The updateLocation message is used to update the subscriber\u2019s location in the network. It informs the network of which VLR\/MSC the subscriber is currently connected to. Using a fake updateLocation message the attacker claims that the victims MS is connected to their MSC. 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