{"id":76851,"date":"2020-04-05T07:42:20","date_gmt":"2020-04-05T05:42:20","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/rezultaty-analiza-bekdorov-v-prilozheniyah-dlya-android"},"modified":"2020-04-05T07:42:20","modified_gmt":"2020-04-05T05:42:20","slug":"rezultaty-analiza-bekdorov-v-prilozheniyah-dlya-android","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/rezultaty-analiza-bekdorov-v-prilozheniyah-dlya-android","title":{"rendered":"V\u00fdsledky anal\u00fdzy backdoor\u016f v aplikac\u00edch pro Android","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

V\u011bdci z Helmholtzova centra pro informa\u010dn\u00ed bezpe\u010dnost (CISPA), St\u00e1tn\u00ed univerzity v Ohiu a Newyorsk\u00e9 univerzity provedli<\/a><\/noindex> zkoum\u00e1n\u00ed skryt\u00e9 funkcionality v aplikac\u00edch pro platformu Android. Anal\u00fdza 100 tis\u00edc mobiln\u00edch aplikac\u00ed z katalogu Google Play, 20 tis\u00edc z alternativn\u00edho katalogu (Baidu) a 30 tis\u00edc p\u0159edinstalovan\u00fdch aplikac\u00ed na r\u016fzn\u00fdch smartphonech, vybran\u00fdch ze 1000 firmwar\u016f ze SamMobile, uk\u00e1zalo<\/a><\/noindex>, uk\u00e1zala, \u017ee 12706 (8,5 %) program\u016f obsahuje funkcionalitu skrytou pro u\u017eivatele, ale aktivovanou pomoc\u00ed speci\u00e1ln\u00edch posloupnost\u00ed, kterou lze pova\u017eovat za zadn\u00ed vr\u00e1tka. <\/p>\n

Speci\u00e1ln\u011b 7584 aplikac\u00ed obsahovalo integrovan\u00e9 tajn\u00e9 p\u0159\u00edstupov\u00e9 kl\u00ed\u010de, 501 \u2014 integrovan\u00e9 master hesla a 6013 \u2014 skryt\u00e9 p\u0159\u00edkazy. Problematick\u00e9 aplikace se objevuj\u00ed ve v\u0161ech zkouman\u00fdch zdroj\u00edch softwaru \u2014 co se t\u00fd\u010de procentueln\u00edho pod\u00edlu, zadn\u00ed kan\u00e1ly byly zji\u0161t\u011bny u 6,86% (6860) studovan\u00fdch program\u016f z Google Play, u 5,32% (1064) z alternativn\u00edho katalogu a u 15,96% (4788) z seznamu p\u0159edinstalovan\u00fdch aplikac\u00ed. Zji\u0161t\u011bn\u00e9 zadn\u00ed kan\u00e1ly umo\u017e\u0148uj\u00ed ka\u017ed\u00e9mu, kdo zn\u00e1 kl\u00ed\u010de, aktiva\u010dn\u00ed hesla a sekvence pro vol\u00e1n\u00ed p\u0159\u00edkaz\u016f, z\u00edskat p\u0159\u00edstup k aplikaci a v\u0161em souvisej\u00edc\u00edm dat\u016fm. <\/p>\n

Nap\u0159\u00edklad v aplikaci pro streamov\u00e1n\u00ed sportovn\u00edch z\u00e1pas\u016f, kter\u00e1 m\u00e1 5 milion\u016f instalac\u00ed, byl objeven vestav\u011bn\u00fd kl\u00ed\u010d pro p\u0159\u00edstup k administra\u010dn\u00edmu rozhran\u00ed, kter\u00fd umo\u017e\u0148uje zm\u011bnit nastaven\u00ed aplikace a z\u00edskat p\u0159\u00edstup k dodate\u010dn\u00e9 funkcionalit\u011b. V aplikaci pro zamyk\u00e1n\u00ed obrazovky, kter\u00e1 m\u00e1 5 milion\u016f instalac\u00ed, byl nalezen p\u0159\u00edstupov\u00fd kl\u00ed\u010d, kter\u00fd umo\u017e\u0148uje resetovat u\u017eivatelsk\u00e9 heslo pro blokaci za\u0159\u00edzen\u00ed. V p\u0159eklada\u010di, kter\u00fd m\u00e1 1 milion instalac\u00ed, je p\u0159\u00edtomen kl\u00ed\u010d, kter\u00fd umo\u017e\u0148uje prov\u00e1d\u011bt n\u00e1kupy uvnit\u0159 aplikace a aktualizovat program na pro verzi bez skute\u010dn\u00e9 platby.<\/p>\n

V programu pro vzd\u00e1len\u00e9 \u0159\u00edzen\u00ed ztracen\u00e9ho za\u0159\u00edzen\u00ed s 10 miliony instalac\u00ed byla zji\u0161t\u011bna hlavn\u00ed heslo, kter\u00e9 umo\u017e\u0148uje odem\u010den\u00ed, je\u017e si u\u017eivatel nastavil v p\u0159\u00edpad\u011b ztr\u00e1ty za\u0159\u00edzen\u00ed. V aplikaci pro veden\u00ed pozn\u00e1mkov\u00e9ho bloku bylo nalezeno hlavn\u00ed heslo, kter\u00e9 umo\u017e\u0148uje odemknout tajn\u00e9 pozn\u00e1mky. V mnoha aplikac\u00edch byly tak\u00e9 odhaleny lad\u00edc\u00ed re\u017eimy, kter\u00e9 otev\u00edraj\u00ed p\u0159\u00edstup k n\u00edzko\u00farov\u0148ov\u00fdm funkc\u00edm, nap\u0159\u00edklad v aplikaci pro nakupov\u00e1n\u00ed se po zad\u00e1n\u00ed ur\u010dit\u00e9 kombinace spou\u0161t\u011bl proxy server, a v eduka\u010dn\u00edm programu byla mo\u017enost obch\u00e1zen\u00ed test\u016f.<\/p>\n

Krom\u011b zadn\u00edch vr\u00e1tek bylo v 4028 (2,7 %) aplikac\u00edch zji\u0161t\u011bno p\u0159\u00edtomnost \u010dern\u00fdch seznam\u016f pou\u017e\u00edvan\u00fdch k cenzurov\u00e1n\u00ed informac\u00ed od u\u017eivatele. Pou\u017e\u00edvan\u00e9 \u010dern\u00e9 seznamy obsahuj\u00ed sady zak\u00e1zan\u00fdch slov, v\u010detn\u011b jmen politick\u00fdch stran a politik\u016f, typick\u00fdch fr\u00e1z\u00ed pou\u017e\u00edvan\u00fdch k zastra\u0161ov\u00e1n\u00ed a diskriminaci ur\u010dit\u00fdch skupin obyvatelstva. \u010cern\u00e9 seznamy byly zji\u0161t\u011bny v 1,98 % prozkouman\u00fdch program\u016f z Google Play, v 4,46 % z alternativn\u00edho katalogu a v 3,87 % ze seznamu p\u0159edinstalovan\u00fdch aplikac\u00ed.<\/p>\n

Pro proveden\u00ed anal\u00fdzy byl pou\u017eit n\u00e1stroj vytvo\u0159en\u00fd v\u00fdzkumn\u00edky InputScope, jeho\u017e k\u00f3d bude brzy byla vyd\u00e1na<\/a><\/noindex> na GitHubu (d\u0159\u00edve v\u00fdzkumn\u00edci ji\u017e publikovali statick\u00fd analyz\u00e1tor LeakScope<\/a><\/noindex>, kter\u00fd automaticky odhaluje \u00faniky informac\u00ed v aplikac\u00edch).<\/p>\n

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

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

\u0418\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u0438 \u0426\u0435\u043d\u0442\u0440\u0430 \u0413\u0435\u043b\u044c\u043c\u0433\u043e\u043b\u044c\u0446\u0430 \u043f\u043e \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u043e\u043d\u043d\u043e\u0439 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 (CISPA), \u0423\u043d\u0438\u0432\u0435\u0440\u0441\u0438\u0442\u0435\u0442\u0430 \u0448\u0442\u0430\u0442\u0430 \u041e\u0433\u0430\u0439\u043e \u0438 \u041d\u044c\u044e-\u0419\u043e\u0440\u043a\u0441\u043a\u043e\u0433\u043e \u0443\u043d\u0438\u0432\u0435\u0440\u0441\u0438\u0442\u0435\u0442\u0430 \u043f\u0440\u043e\u0432\u0435\u043b\u0438 \u0438\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u043d\u0438\u0435 \u0441\u043a\u0440\u044b\u0442\u043e\u0439 \u0444\u0443\u043d\u043a\u0446\u0438\u043e\u043d\u0430\u043b\u044c\u043d\u043e\u0441\u0442\u0438 \u0432 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f\u0445 \u0434\u043b\u044f \u043f\u043b\u0430\u0442\u0444\u043e\u0440\u043c\u044b Android. \u0410\u043d\u0430\u043b\u0438\u0437 100 \u0442\u044b\u0441\u044f\u0447 \u043c\u043e\u0431\u0438\u043b\u044c\u043d\u044b\u0445 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439 \u0438\u0437 \u043a\u0430\u0442\u0430\u043b\u043e\u0433\u0430 Google Play, 20 \u0442\u044b\u0441\u044f\u0447 \u0438\u0437 \u0430\u043b\u044c\u0442\u0435\u0440\u043d\u0430\u0442\u0438\u0432\u043d\u043e\u0433\u043e \u043a\u0430\u0442\u0430\u043b\u043e\u0433\u0430 (Baidu) \u0438 30 \u0442\u044b\u0441\u044f\u0447 \u043f\u0440\u0435\u0434\u0443\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u0435\u043c\u044b\u0445 \u043d\u0430 \u0440\u0430\u0437\u043b\u0438\u0447\u043d\u044b\u0435 \u0441\u043c\u0430\u0440\u0442\u0444\u043e\u043d\u044b \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0439, \u0432\u044b\u0434\u0435\u043b\u0435\u043d\u043d\u044b\u0445 \u0438\u0437 1000 \u043f\u0440\u043e\u0448\u0438\u0432\u043e\u043a \u0441 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