{"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 effettuato<\/a><\/noindex> hanno condotto uno studio sulle funzionalit\u00e0 nascoste nelle applicazioni per la piattaforma Android. L'analisi ha coinvolto 100.000 applicazioni mobili dal catalogo Google Play, 20.000 da un catalogo alternativo (Baidu) e 30.000 applicazioni preinstallate su vari smartphone, estratte da 1.000 firmware di SamMobile, <noindex><a rel=\"nofollow\" href=\"https:\/\/panda.moyix.net\/~moyix\/papers\/inputscope_oakland20.pdf\">ha mostrato<\/a><\/noindex>, che hanno rivelato che 12.706 (8,5%) programmi contengono funzionalit\u00e0 nascoste attivabili tramite sequenze speciali, che si possono considerare come backdoor. <\/p>\n<p>In particolare, 7584 applicazioni includevano chiavi d'accesso segrete incorporate, 501 \u2014 password master incorporate e 6013 \u2014 comandi nascosti. Le applicazioni problematiche si trovano in tutte le fonti di software esaminate \u2014 in termini percentuali, i backdoor sono stati identificati nel 6,86% (6860) dei programmi analizzati su Google Play, nel 5,32% (1064) dall'elenco alternativo e nel 15,96% (4788) dalla lista delle applicazioni preinstallate. I backdoor identificati consentono a chiunque conosca le chiavi, le password di attivazione e le sequenze per richiamare 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 eventi sportivi con 5 milioni di installazioni, \u00e8 stato trovato un codice di accesso integrato per accedere all'interfaccia di gestione, consentendo di modificare le impostazioni dell'app e ottenere accesso a funzionalit\u00e0 aggiuntive. In un'app per il blocco dello schermo, che conta 5 milioni di installazioni, \u00e8 stato trovato un codice di accesso che permette di reimpostare la password impostata dall'utente per bloccare il dispositivo. In un'app di traduzione, con 1 milione di installazioni, \u00e8 presente un codice che consente di effettuare acquisti all'interno dell'app e aggiornare il programma alla versione pro senza effettuare un pagamento reale.<\/p>\n<p> Nel software di gestione remota dei dispositivi smarriti, con 10 milioni di installazioni, \u00e8 stata identificata una master password 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 master password che permette di sbloccare appunti segreti. Inoltre, in molte applicazioni sono stati scoperti modi di debug che aprono accesso a funzionalit\u00e0 a basso livello; ad esempio, in un'app per acquisti, inserendo una certa combinazione si avviava un proxy, mentre nel programma di formazione era possibile bypassare il completamento dei test.<\/p>\n<p>Oltre ai backdoor, in 4028 (2,7%) delle applicazioni \u00e8 stata riscontrata la presenza di liste nere utilizzate per la censura delle informazioni ricevute dagli utenti. Le liste nere contengono set di parole vietate, incluse le denominazioni di partiti politici e politici, frasi standard utilizzate per intimidire e discriminare determinate fasce della popolazione. Le liste nere sono state rilevate nell'1,98% delle applicazioni studiate su Google Play, nel 4,46% dell'elenco di catalogo alternativo e nel 3,87% nell'elenco delle applicazioni preinstallate.<\/p>\n<p>Per l'analisi \u00e8 stato utilizzato lo strumento creato dai ricercatori, InputScope, il cui codice sar\u00e0 presto <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/OSUSecLab\/InputScope\">pubblicato<\/a><\/noindex> su GitHub (in precedenza, i ricercatori hanno gi\u00e0 pubblicato un analizzatore statico <noindex><a rel=\"nofollow\" href=\"https:\/\/github.com\/OSUSecLab\/LeakScope\">LeakScope<\/a><\/noindex>, che rileva 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 5.0.0.1 - 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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