{"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\/it\/blog\/news\/rezultaty-analiza-bekdorov-v-prilozheniyah-dlya-android","title":{"rendered":"Risultati dell'analisi dei backdoor nelle applicazioni per Android","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>I ricercatori del Centro Helmholtz per la sicurezza delle informazioni (CISPA), dell'Universit\u00e0 dello Stato dell'Ohio e della New York University <noindex><a rel=\"nofollow\" href=\"https:\/\/cispa.saarland\/2020\/04\/03\/hidden-functions-make-mobile-phone-apps-vulnerable-to-hackers.html\">hanno condotto<\/a><\/noindex> studiando funzionalit\u00e0 nascoste nelle applicazioni per la piattaforma Android. Analisi di 100.000 applicazioni mobili dal catalogo Google Play, 20.000 da un catalogo alternativo (Baidu) e 30.000 applicazioni preinstallate su vari smartphone, selezionate da 1000 firmware di SamMobile, <noindex><a rel=\"nofollow\" href=\"https:\/\/panda.moyix.net\/~moyix\/papers\/inputscope_oakland20.pdf\">ha dimostrato<\/a><\/noindex>, ha rivelato che 12706 (8.5%) programmi contengono funzionalit\u00e0 nascosta per l'utente, ma attivabile tramite sequenze speciali, che possono essere classificate come backdoor. <\/p>\n<p>In particolare, 7584 applicazioni includevano chiavi di accesso segrete integrate, 501 - password master integrate e 6013 - comandi nascosti. Le applicazioni problematiche si riscontrano in tutte le fonti di software esaminate: in percentuale, i backdoor sono stati rilevati nel 6,86% (6860) dei programmi studiati su Google Play, nel 5,32% (1064) del catalogo alternativo e nel 15,96% (4788) dell'elenco delle applicazioni preinstallate. I backdoor identificati consentono a chiunque conosca le chiavi, le password di attivazione e le sequenze per attivare i comandi di accedere all'applicazione e a tutti i dati a essa correlati. <\/p>\n<p>Ad esempio, in un'app per lo streaming di partite sportive, con 5 milioni di installazioni, \u00e8 stata trovata una chiave incorporata per accedere all'interfaccia di amministrazione, che consente di modificare le impostazioni dell'app e di accedere a funzionalit\u00e0 aggiuntive. In un'app per la blocco dello schermo, con 5 milioni di installazioni, \u00e8 stata trovata una chiave d'accesso che permette di ripristinare la password impostata dall'utente per il blocco del dispositivo. In un'app di traduzione, con 1 milione di installazioni, esiste una chiave che consente di effettuare acquisti all'interno dell'app e di aggiornare il programma alla versione pro senza pagare effettivamente.<\/p>\n<p> Nel programma di gestione remota dei dispositivi smarriti, che conta 10 milioni di installazioni, \u00e8 stata identificata una password principale che consente di rimuovere il blocco impostato dall'utente in caso di smarrimento del dispositivo. Nel programma per la gestione delle note \u00e8 stata trovata una password principale che permette di sbloccare annotazioni segrete. In molte applicazioni sono state inoltre scoperte modalit\u00e0 di debug che aprono accesso a funzionalit\u00e0 a basso livello; ad esempio, in un'applicazione per acquisti, digitando una determinata combinazione, si attivava un server proxy, mentre in un programma di formazione era presente un metodo per eludere i test.<\/p>\n<p>Oltre ai backdoor, in 4028 (2,7%) applicazioni \u00e8 stata rilevata la presenza di liste nere utilizzate per censurare le informazioni fornite dagli utenti. Le liste nere contengono set di parole vietate, comprese nomi di partiti politici e politici, frasi standard usate per intimidire e discriminare determinati gruppi sociali. Le liste nere sono state riscontrate nel 1,98% dei programmi esaminati su Google Play, nel 4,46% del catalogo alternativo e nel 3,87% della lista delle applicazioni preinstallate.<\/p>\n<p>Per condurre l'analisi \u00e8 stato utilizzato lo strumento creato dai ricercatori chiamato InputScope, il cui codice sar\u00e0 <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/OSUSecLab\/InputScope\">pubblicato<\/a><\/noindex> disponibile su GitHub (in precedenza i ricercatori avevano gi\u00e0 pubblicato un analizzatore statico <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/OSUSecLab\/LeakScope\">LeakScope<\/a><\/noindex>, che identifica automaticamente le perdite di informazioni nelle applicazioni).<\/p>\n<p><noindex><a rel=\"nofollow\" name=\"link\"><\/a><\/noindex><\/p>\n<p>Fonte: <a \ncontent=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=52677\">opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\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 SamMobile, \u043f\u043e\u043a\u0430\u0437\u0430\u043b, \u0447\u0442\u043e 12706 (8.5%) [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-76851","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\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 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