{"id":360,"date":"2023-12-07T03:12:42","date_gmt":"2023-12-07T00:12:42","guid":{"rendered":"https:\/\/sms-txt.net\/?p=360"},"modified":"2024-09-05T12:44:42","modified_gmt":"2024-09-05T09:44:42","slug":"ss7-izsaukuma-partversana","status":"publish","type":"post","link":"https:\/\/sms-txt.net\/lv\/zvanu-partversana\/ss7-izsaukuma-partversana\/","title":{"rendered":"SS7 zvanu p\u0101rtver\u0161ana"},"content":{"rendered":"<p>Mobilo komut\u0101cijas centru MSC parasti glab\u0101 \u0161ifr\u0113\u0161anas atsl\u0113gas, ko izmanto katrs abonents, lai var\u0113tu izveidot savienojumu. Kad abonents ir ce\u013c\u0101, nodo\u0161anas process atvieglo abonenta vienm\u0113r\u012bgu p\u0101reju starp da\u017e\u0101d\u0101m radio \u0161\u016bn\u0101m, vienlaikus saglab\u0101jot izsaukuma gaitu.<\/p>\n<p>Da\u017eos gad\u012bjumos abonents p\u0101rce\u013cas no vienas \u0161\u016bnas uz citu, ko p\u0101rvalda cits VLR. \u0160aj\u0101 gad\u012bjum\u0101 jaunajam VLR s\u0101kotn\u0113ji nav autentifik\u0101cijas inform\u0101cijas, kas atvieglotu izsaukuma saglab\u0101\u0161anu, t\u0101p\u0113c ir nepiecie\u0161ams starpvalstu MSC nodo\u0161anas process, lai nodotu atsl\u0113gas jaunajai MSC.<\/p>\n<p>Tas tiek dar\u012bts, izmantojot MAP zi\u0146ojumu sendIdentification. Jaunais VLR nos\u016bta sendIdentification zi\u0146ojumu vecajam VLR, kur\u0161 savuk\u0101rt atbild ar atsl\u0113g\u0101m, kas vajadz\u012bgas, lai uztur\u0113tu notieko\u0161o savienojumu.  Starp \u0161\u012bm atsl\u0113g\u0101m ir atsl\u0113ga, ko izmanto, lai \u0161ifr\u0113tu datu pl\u016bsmu pa gaisu. Uzbrukuma scen\u0101rij\u0101 uzbruc\u0113js p\u0101rtver m\u0113r\u0137a datpl\u016bsmu, izmantojot gaisa interfeisu (tam nepiecie\u0161ams m\u0113r\u0137a fizisks tuvums).<\/p>\n<p>Izmantojot piek\u013cuvi SS7, vi\u0146\u0161 var izmantot sendIdentification zi\u0146ojumu, lai ieg\u016btu m\u0113r\u0137a at\u0161ifr\u0113\u0161anas atsl\u0113gas un izmantotu t\u0101s datpl\u016bsmas at\u0161ifr\u0113\u0161anai. SendIdentification ir nepiecie\u0161ams tikai iek\u0161\u0113j\u0101 t\u012bkl\u0101, kad<br \/>\nnodo\u0161ana. To nevajadz\u0113tu likum\u012bgi izmantot no \u0101rpuses, un t\u0101p\u0113c tas b\u016btu j\u0101filtr\u0113 uz robe\u017eas.<\/p>\n<h2>izejo\u0161o zvanu p\u0101rtver\u0161ana<\/h2>\n<p>GSM pakalpojuma kontroles funkcija (gsmSCF) ir funkcion\u0101la vien\u012bba, kas ietver CAMEL pakalpojuma lo\u0123iku, kura attiec\u012bb\u0101 uz noteiktu notikumu kopumu izlemj, vai v\u0113lamo darb\u012bbu var turpin\u0101t main\u012bt, nemain\u012bt vai p\u0101rtraukt. To var izmantot, piem\u0113ram, lai modific\u0113tu izejo\u0161os numurus, pievienojot apgabala kodu vai starptautisko form\u0101tu.<\/p>\n<p>Uzbruc\u0113js ar piek\u013cuvi SS7 var izmantot zi\u0146ojumu insertSubscriberData, lai main\u012btu abonenta gsmSCF adresi uz sev kontrol\u0113jamu adresi. Tad uzbruc\u0113js var p\u0101rrakst\u012bt izejo\u0161os izsauktos numurus uz numuru, kas ir vi\u0146a kontrol\u0113. \u0160\u0101d\u0101 gad\u012bjum\u0101 uzbruc\u0113js sa\u0146ems izejo\u0161o zvanu, ierakst\u012bs zvanu, pirms p\u0101rs\u016bt\u012bs datpl\u016bsmu uz gal\u012bgo galam\u0113r\u0137i.<\/p>\n<h2>P\u0101rtver\u0161ana - Ien\u0101ko\u0161\u0101 datpl\u016bsma - Zvanu p\u0101radres\u0101cija<\/h2>\n<p>Zi\u0146ojumu registerSS izmanto, lai abonentam re\u0123istr\u0113tu papildu pakalpojumus. Viens no \u0161iem pakalpojumiem ir izsaukumu p\u0101rs\u016bt\u012b\u0161anas pakalpojums. Uzbruc\u0113js var izmantot registerSS zi\u0146ojumu, lai iesp\u0113jotu zvanu p\u0101radres\u0113\u0161anu uz numuru, kas ir vi\u0146a kontrol\u0113. Sa\u0146emot zvanu, uzbruc\u0113js p\u0113c tam izmanto eraseSS zi\u0146ojumu, lai atceltu zvanu p\u0101radres\u0101ciju un tad p\u0101radres\u0113tu zvanu atpaka\u013c abonentam. \u0160\u0101d\u0101 veid\u0101 uzbruc\u0113js var p\u0101rtvert un ierakst\u012bt zvanu.<\/p>","protected":false},"excerpt":{"rendered":"<p>Mobilo komut\u0101cijas centru MSC parasti glab\u0101 \u0161ifr\u0113\u0161anas atsl\u0113gas, ko izmanto katrs abonents, lai var\u0113tu izveidot savienojumu. Kad abonents ir ce\u013c\u0101, nodo\u0161anas process atvieglo abonenta vienm\u0113r\u012bgu p\u0101reju starp da\u017e\u0101d\u0101m radio \u0161\u016bn\u0101m, vienlaikus saglab\u0101jot izsaukuma gaitu. Da\u017eos gad\u012bjumos abonents p\u0101rvietojas no...<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[68],"tags":[],"class_list":["post-360","post","type-post","status-publish","format-standard","hentry","category-call-interception"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.7 (Yoast SEO v26.7) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>SS7 Call Interception<\/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\/lv\/zvanu-partversana\/ss7-izsaukuma-partversana\/\" \/>\n<meta property=\"og:locale\" content=\"lv_LV\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"SS7 Call Interception\" \/>\n<meta property=\"og:description\" content=\"The mobile switching center MSC normally holds the encryption keys used by each subscriber to be able to establish the call. 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