{"id":166048,"date":"2026-03-24T23:12:53","date_gmt":"2026-03-24T21:12:53","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-telega-alternativnom-kliente-telegram-vyyavili-vozmozhnost-soversheniya-mitm-ataki"},"modified":"2026-03-24T23:12:53","modified_gmt":"2026-03-24T21:12:53","slug":"v-telega-alternativnom-kliente-telegram-vyyavili-vozmozhnost-soversheniya-mitm-ataki","status":"publish","type":"post","link":"https:\/\/prohoster.info\/hr\/blog\/news\/v-telega-alternativnom-kliente-telegram-vyyavili-vozmozhnost-soversheniya-mitm-ataki","title":{"rendered":"U Telegi, alternativnom klijentu Telegrama, otkrivena je mogu\u0107nost izvo\u0111enja MITM napada.","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>Objavljeno je istra\u017eivanje koje tvrdi da Telega, alternativni klijent za Telegram, sadr\u017ei izmjene koje omogu\u0107uju MITM napad i onemogu\u0107uju klju\u010dne elemente enkripcije Telegrama. Klijent Telega koristi kod originalnog Android klijenta Telegram, distribuiran pod GPLv2 licencom, ali ne otkriva promjene koje su napravljene, suprotno zahtjevima licence.    <\/p>\n<p>Zaklju\u010dak o mogu\u0107nosti presretanja prometa korisnika donesen je na temelju nekoliko tehni\u010dkih nalaza, identificiranih nakon dekompilacije APK paketa, analize biblioteka i prou\u010davanja mre\u017enih poziva:  <\/p>\n<ul>\n<li class=\"l\"> Teleg\u0430 klijent preusmjerava promet kroz vlastitu infrastrukturu: pri pokretanju se obra\u0107a adresi api.telega.info\/v1\/dc-proxy i dobiva JSON popis \u201edata-centara\u201c koji se zamjenjuju umjesto slu\u017ebenih adresa Telegrama. U su\u0161tini, to tjera klijenta da uspostavi veze ne s originalnim <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/hr\/server\/dts-dusseldorf\/\" title=\"poslu\u017eiteljima\" data-wpil-keyword-link=\"linked\">poslu\u017eiteljima<\/a>, nego preko proxyja Telega. Ovo pona\u0161anje mo\u017ee se objasniti kao poku\u0161aj zaobila\u017eenja blokada izravnog pristupa serverima Telegrama. Kada se koriste slu\u017ebeni javni klju\u010devi Telegrama, proxyji mogu samo preusmjeriti \u0161ifrirani promet na <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/hr\/server\/\" title=\"servere\" data-wpil-keyword-link=\"linked\">servere<\/a> Telegram, ali ne mogu pristupiti sadr\u017eaju, nemaju\u0107i privatne klju\u010deve koji se koriste na slu\u017ebenim serverima Telegrama.\n<li class=\"l\"> U izgradnji je otklju\u010dan dodatni otvoreni RSA klju\u010d koji nije prisutan u slu\u017ebenim klijentima Telegrama. Pri uspostavljanju enkripiranih sesija s vlastitim poslu\u017eiteljima, Telega mo\u017ee koristiti vlastiti javni klju\u010d \u010diji je par poznat.\n<li class=\"l\"> Zamjena adresa u kombinaciji s kori\u0161tenjem vlastitog javnog klju\u010da omogu\u0107ava MITM napad, koji omogu\u0107ava \u010ditanje svih dolaznih i odlaznih poruka u chatu, pregledavanje povijesti razgovora, izmjenu sadr\u017eaja poruka i izvo\u0111enje bilo kojih radnji s korisni\u010dkim ra\u010dunom bez sudjelovanja korisnika.\n<li class=\"l\"> Mehanizmi PFS (Perfect Forward Secrecy) i podr\u0161ka za tajne E2E chatove u klijentu ili su isklju\u010deni prema zadanim postavkama ili se njime upravlja putem udaljene konfiguracije, dostupne putem istog dc-proxy (klijent ignorira tajne chatove i skriva UI elemente za njihovo stvaranje).\n<li class=\"l\">  U kodu su otkriveni udaljeni filteri\/crne liste (upiti ka api.telega.info\/v1\/api\/blacklist\/filter), koji omogu\u0107uju skrivanje kanala, profila i chatova na strani klijenta prema odluci <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/hr\/server\/dts-los-angeles\/\" title=\"poslu\u017eitelja\" data-wpil-keyword-link=\"linked\">poslu\u017eitelja<\/a>.  <\/ul>\n<p>Telega se pozicionira kao \u201eTelegram klijent, stvoren na temelju otvorenog koda mje\u0161enger aplikacije\u201c koji se mo\u017ee koristiti bez <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/hr\/vpn\/\" title=\"VPN\" data-wpil-keyword-link=\"linked\">VPN<\/a>, a na stranici projekta nalazi se formulacija da je \u201esva informacija sigurno za\u0161ti\u0107ena end-to-end enkripcijom Telegrama. Ranije je Telegram kanal Telega s vi\u0161e od 5 milijuna pretplatnika bio verificiran, no u trenutku pisanja \u010dlanka oznaka nedostaje. Telegin bot za autorizaciju ima vi\u0161e od 6 milijuna korisnika mjese\u010dno.<br \/>\n<br \/>Izvor: <a rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=65063\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u043e \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u043d\u0438\u0435, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0443\u0442\u0432\u0435\u0440\u0436\u0434\u0430\u0435\u0442\u0441\u044f, \u0447\u0442\u043e Telega, \u0430\u043b\u044c\u0442\u0435\u0440\u043d\u0430\u0442\u0438\u0432\u043d\u044b\u0439 \u043a\u043b\u0438\u0435\u043d\u0442 Telegram, \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u0442 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0438\u0435 \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u0442\u044c MITM-\u0430\u0442\u0430\u043a\u0443 \u0438 \u043e\u0442\u043a\u043b\u044e\u0447\u0430\u044e\u0449\u0438\u0435 \u043a\u043b\u044e\u0447\u0435\u0432\u044b\u0435 \u044d\u043b\u0435\u043c\u0435\u043d\u0442\u044b \u043a\u0440\u0438\u043f\u0442\u043e\u0437\u0430\u0449\u0438\u0442\u044b Telegram. \u041a\u043b\u0438\u0435\u043d\u0442 Telega \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442 \u043a\u043e\u0434 \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b\u044c\u043d\u043e\u0433\u043e Android-\u043a\u043b\u0438\u0435\u043d\u0442\u0430 Telegram, \u0440\u0430\u0441\u043f\u0440\u043e\u0441\u0442\u0440\u0430\u043d\u044f\u0435\u043c\u044b\u0439 \u043f\u043e\u0434 \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0435\u0439 GPLv2, \u043d\u043e \u043d\u0435 \u0440\u0430\u0441\u043a\u0440\u044b\u0432\u0430\u0435\u0442 \u0432\u043d\u043e\u0441\u0438\u043c\u044b\u0435 \u0438\u0437\u043c\u0435\u043d\u0435\u043d\u0438\u044f, \u0432\u043e\u043f\u0440\u0435\u043a\u0438 \u0442\u0440\u0435\u0431\u043e\u0432\u0430\u043d\u0438\u044f\u043c \u043b\u0438\u0446\u0435\u043d\u0437\u0438\u0438. \u0412\u044b\u0432\u043e\u0434 \u043e \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u043e\u0441\u0442\u0438 \u043f\u0435\u0440\u0435\u0445\u0432\u0430\u0442\u0430 \u0442\u0440\u0430\u0444\u0438\u043a\u0430 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0435\u0439 \u0434\u0435\u043b\u0430\u0435\u0442\u0441\u044f \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u0438\u0445 \u0442\u0435\u0445\u043d\u0438\u0447\u0435\u0441\u043a\u0438\u0445 \u043d\u0430\u0445\u043e\u0434\u043e\u043a, \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u043d\u044b\u0445 \u043f\u043e\u0441\u043b\u0435 \u0434\u0435\u043a\u043e\u043c\u043f\u0438\u043b\u044f\u0446\u0438\u0438 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":8,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-166048","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.4 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u043e \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u043d\u0438\u0435, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u043c \u0443\u0442\u0432\u0435\u0440\u0436\u0434\u0430\u0435\u0442\u0441\u044f, \u0447\u0442\u043e Telega, \u0430\u043b\u044c\u0442\u0435\u0440\u043d\u0430\u0442\u0438\u0432\u043d\u044b\u0439 \u043a\u043b\u0438\u0435\u043d\u0442 Telegram, \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u0442 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klijent Telegrama, sadr\u017ei izmene koje omogu\u0107avaju MITM napad i onemogu\u0107avaju klju\u010dne elemente kriptografske za\u0161tite Telegrama.","canonical_url":"https:\/\/prohoster.info\/hr\/blog\/news\/v-telega-alternativnom-kliente-telegram-vyyavili-vozmozhnost-soversheniya-mitm-ataki","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"hr_HR","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47\u0412 Telega, \u0430\u043b\u044c\u0442\u0435\u0440\u043d\u0430\u0442\u0438\u0432\u043d\u043e\u043c \u043a\u043b\u0438\u0435\u043d\u0442\u0435 Telegram, \u0432\u044b\u044f\u0432\u0438\u043b\u0438 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Telegram.","og:url":"https:\/\/prohoster.info\/hr\/blog\/news\/v-telega-alternativnom-kliente-telegram-vyyavili-vozmozhnost-soversheniya-mitm-ataki","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2026-03-24T21:12:53+00:00","article:modified_time":"2026-03-24T21:12:53+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":[],"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/hr\/wp-json\/wp\/v2\/posts\/166048","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/hr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/hr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hr\/wp-json\/wp\/v2\/users\/8"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hr\/wp-json\/wp\/v2\/comments?post=166048"}],"version-history":[{"count":1,"href":"https:\/\/prohoster.info\/hr\/wp-json\/wp\/v2\/posts\/166048\/revisions"}],"predecessor-version":[{"id":168124,"href":"https:\/\/prohoster.info\/hr\/wp-json\/wp\/v2\/posts\/166048\/revisions\/168124"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/hr\/wp-json\/wp\/v2\/media?parent=166048"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/hr\/wp-json\/wp\/v2\/categories?post=166048"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/hr\/wp-json\/wp\/v2\/tags?post=166048"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}