{"id":147923,"date":"2025-11-10T23:11:54","date_gmt":"2025-11-10T21:11:56","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/ataka-whisper-leak-po-opredeleniyu-tematiki-obshheniya-s-ai-chatbotami-cherez-analiz-tls-trafika"},"modified":"2025-11-10T23:11:54","modified_gmt":"2025-11-10T21:11:56","slug":"ataka-whisper-leak-po-opredeleniyu-tematiki-obshheniya-s-ai-chatbotami-cherez-analiz-tls-trafika","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sk\/blog\/news\/ataka-whisper-leak-po-opredeleniyu-tematiki-obshheniya-s-ai-chatbotami-cherez-analiz-tls-trafika","title":{"rendered":"\u00datok Whisper Leak na z\u00e1klade anal\u00fdzy TLS prev\u00e1dzky charakterizuje t\u00e9my komunik\u00e1cie s AI chatbotmi","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Bezpe\u010dnostn\u00ed v\u00fdzkumn\u00edci ze spole\u010dnosti Microsoft vyvinuli techniku \u00fatoku prost\u0159ednictv\u00edm postrann\u00edch kan\u00e1l\u016f Whisper Leak, kter\u00e1 umo\u017e\u0148uje na z\u00e1klad\u011b pasivn\u00ed anal\u00fdzy \u0161ifrovan\u00e9ho provozu p\u0159en\u00e1\u0161en\u00e9ho p\u0159es TLS p\u0159ipojen\u00ed klasifikovat t\u00e9mata dotaz\u016f k servis\u016fm zalo\u017een\u00fdm na velk\u00fdch jazykov\u00fdch modelech. Informace o velikosti s\u00ed\u0165ov\u00fdch paket\u016f a zpo\u017ed\u011bn\u00edch mezi jejich p\u0159enosem uk\u00e1zaly, \u017ee sta\u010d\u00ed k ur\u010den\u00ed t\u00e9mat dotaz\u016f k AI chatbot\u016fm s p\u0159esnost\u00ed p\u0159es 98 %. V praxi je navrhovan\u00e1 metoda pou\u017eiteln\u00e1 pro identifikaci v transitn\u00edm provozu u\u017eivatel\u016f ur\u010dit\u00fdch t\u00e9mat dotaz\u016f, nap\u0159\u00edklad pokus\u016f o z\u00edsk\u00e1n\u00ed informac\u00ed o neleg\u00e1ln\u00edch aktivit\u00e1ch, bez nutnosti de\u0161ifrov\u00e1n\u00ed obsahu. <\/p>\n

N\u00e1stroje na extrakciu \u00fadajov z dopravn\u00fdch dumpov, \u0161kolenie modelu a testovanie met\u00f3dy s\u00fa zverejnen\u00e9 na GitHub-e. Mo\u017enos\u0165 vykona\u0165 \u00fatok bola demon\u0161trovan\u00e1 na 28 popul\u00e1rnych ve\u013ek\u00fdch jazykov\u00fdch modeloch od najv\u00e4\u010d\u0161\u00edch v\u00fdrobcov. Napr\u00edklad presnos\u0165 ur\u010dovania dopytov na t\u00e9mu \u201epranie \u0161pinav\u00fdch pe\u0148az\u00ed\u201c pre mnoh\u00e9 AI slu\u017eby dosiahla 100 %, pri pr\u00edtomnosti 1 h\u013eadan\u00e9ho dopytu a 10000 dopytov, ktor\u00e9 nes\u00faviseli s potrebnou t\u00e9mou.

\"\u00datok<\/center> <\/p>\n

P\u0159\u00ed\u010dinou \u00faniku informac\u00ed je to, \u017ee modely generuj\u00ed odpov\u011b\u010f na dotaz krok za krokem, token po tokenu, p\u0159i\u010dem\u017e na ka\u017ed\u00e9m kroku pou\u017e\u00edvaj\u00ed p\u0159edchoz\u00ed token jako kontext pro ur\u010den\u00ed n\u00e1sleduj\u00edc\u00edho nejpravd\u011bpodobn\u011bj\u0161\u00edho slova nebo fr\u00e1ze. T\u00edm p\u00e1dem je ka\u017ed\u00fd token odes\u00edl\u00e1n v samostatn\u00e9m s\u00ed\u0165ov\u00e9m paketu a zpo\u017ed\u011bn\u00ed mezi pakety odpov\u00edd\u00e1 zpo\u017ed\u011bn\u00ed mezi ur\u010den\u00edm dal\u0161\u00edho tokenu modelem. <\/p>\n

V TLS, pokud se nepou\u017e\u00edv\u00e1 komprese dat, v\u00fdm\u011bna \u0161ifrovan\u00e9ho textu odpov\u00edd\u00e1 velikosti neza\u0161ifrovan\u00e9ho textu plus konstanta. P\u0159i vytv\u00e1\u0159en\u00ed modelu, kter\u00fd p\u0159i\u0159azuje po\u017eadovan\u00e9 sady token\u016f k velikosti paket\u016f a zpo\u017ed\u011bn\u00edm mezi jejich odesl\u00e1n\u00edm, je mo\u017en\u00e9 dostate\u010dn\u011b p\u0159esn\u011b ur\u010dit p\u0159\u00edtomnost po\u017eadovan\u00fdch t\u00e9mat v provozu. V r\u00e1mci v\u00fdzkumu byly p\u0159ipraveny t\u0159i varianty podobn\u00fdch model\u016f strojov\u00e9ho u\u010den\u00ed zalo\u017een\u00fdch na architektur\u00e1ch neuronov\u00fdch s\u00edt\u00ed LightGBM, Bi-LSTM a BERT. Pro ka\u017ed\u00fd model byly provedeny experimenty na ur\u010den\u00ed po\u017eadovan\u00e9ho t\u00e9matu p\u0159i anal\u00fdze pouze velikosti paket\u016f, pouze zpo\u017ed\u011bn\u00ed mezi pakety a obou krit\u00e9ri\u00ed.

\"\u00datok<\/center> <\/p>\n

Na zn\u00ed\u017eenie efektivity pas\u00edvnej anal\u00fdzy t\u00e9m po\u017eiadaviek navrhli v\u00fdvoj\u00e1ri AI slu\u017eieb prilo\u017ei\u0165 n\u00e1hodn\u00e9 doplnkov\u00e9 vyplnenie, vyrovn\u00e1va\u0165 prenos tokenov alebo vykon\u00e1va\u0165 substit\u00faciu fikt\u00edvnych paketov.
\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 \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u0438 \u0438\u0437 \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438 Microsoft \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043b\u0438 \u0442\u0435\u0445\u043d\u0438\u043a\u0443 \u0430\u0442\u0430\u043a\u0438 \u043f\u043e \u0441\u0442\u043e\u0440\u043e\u043d\u043d\u0438\u043c \u043a\u0430\u043d\u0430\u043b\u0430\u043c Whisper Leak, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0443\u044e \u043d\u0430 \u043e\u0441\u043d\u043e\u0432\u0435 \u043f\u0430\u0441\u0441\u0438\u0432\u043d\u043e\u0433\u043e \u0430\u043d\u0430\u043b\u0438\u0437\u0430 \u0448\u0438\u0444\u0440\u043e\u0432\u0430\u043d\u043d\u043e\u0433\u043e \u0442\u0440\u0430\u0444\u0438\u043a\u0430, \u043f\u0435\u0440\u0435\u0434\u0430\u0432\u0430\u0435\u043c\u043e\u0433\u043e \u0447\u0435\u0440\u0435\u0437 TLS-\u0441\u043e\u0435\u0434\u0438\u043d\u0435\u043d\u0438\u0435, \u043a\u043b\u0430\u0441\u0441\u0438\u0444\u0438\u0446\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0442\u0435\u043c\u044b \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 \u043a \u0441\u0435\u0440\u0432\u0438\u0441\u0430\u043c \u043d\u0430 \u0431\u0430\u0437\u0435 \u0431\u043e\u043b\u044c\u0448\u0438\u0445 \u044f\u0437\u044b\u043a\u043e\u0432\u044b\u0445 \u043c\u043e\u0434\u0435\u043b\u0435\u0439. \u0418\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u0438 \u043e \u0440\u0430\u0437\u043c\u0435\u0440\u0435 \u0441\u0435\u0442\u0435\u0432\u044b\u0445 \u043f\u0430\u043a\u0435\u0442\u043e\u0432 \u0438 \u0437\u0430\u0434\u0435\u0440\u0436\u043a\u0430\u0445 \u043c\u0435\u0436\u0434\u0443 \u0438\u0445 \u043f\u0435\u0440\u0435\u0434\u0430\u0447\u0435\u0439 \u043e\u043a\u0430\u0437\u0430\u043b\u043e\u0441\u044c \u0434\u043e\u0441\u0442\u0430\u0442\u043e\u0447\u043d\u043e \u0434\u043b\u044f \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u044f \u0442\u0435\u043c \u0437\u0430\u043f\u0440\u043e\u0441\u043e\u0432 \u043a AI-\u0447\u0430\u0442\u0431\u043e\u0442\u0430\u043c \u0441 \u0442\u043e\u0447\u043d\u043e\u0441\u0442\u044c\u044e \u0431\u043e\u043b\u0435\u0435 98%. 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