{"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\/cs\/blog\/news\/ataka-whisper-leak-po-opredeleniyu-tematiki-obshheniya-s-ai-chatbotami-cherez-analiz-tls-trafika","title":{"rendered":"\u00datok Whisper Leak k ur\u010den\u00ed t\u00e9matu konverzac\u00ed s AI chatboty prost\u0159ednictv\u00edm anal\u00fdzy TLS provozu","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Bezpe\u010dnostn\u00ed v\u00fdzkumn\u00edci ze spole\u010dnosti Microsoft vyvinuli techniku \u200b\u200b\u00fatoku p\u0159es vedlej\u0161\u00ed kan\u00e1ly Whisper Leak, kter\u00e1 na z\u00e1klad\u011b pasivn\u00ed anal\u00fdzy \u0161ifrovan\u00e9ho provozu p\u0159en\u00e1\u0161en\u00e9ho prost\u0159ednictv\u00edm TLS p\u0159ipojen\u00ed umo\u017e\u0148uje klasifikaci t\u00e9mat dotaz\u016f na slu\u017eby zalo\u017een\u00e9 na velk\u00fdch jazykov\u00fdch modelech. Informace o velikosti s\u00ed\u0165ov\u00fdch paket\u016f a zpo\u017ed\u011bn\u00edch mezi jejich p\u0159enosem byly dostate\u010dn\u00e9 k tomu, aby bylo mo\u017en\u00e9 ur\u010dit t\u00e9mata dotaz\u016f k AI chatbot\u016fm s p\u0159esnost\u00ed p\u0159es 98 %. V praxi m\u016f\u017ee b\u00fdt navrhovan\u00e1 metoda pou\u017eita k identifikaci ur\u010dit\u00fdch t\u00e9mat dotaz\u016f v tranzitn\u00edm u\u017eivatelsk\u00e9m provozu, nap\u0159\u00edklad pokus\u016f o z\u00edsk\u00e1n\u00ed informac\u00ed o nez\u00e1konn\u00e9 \u010dinnosti, ani\u017e by bylo pot\u0159eba roz\u0161ifrovat obsah. <\/p>\n

N\u00e1stroj pro extrakci dat z dump\u016f provozu, tr\u00e9nink modelu a testov\u00e1n\u00ed \u00fa\u010dinnosti metody je zve\u0159ejn\u011bn na GitHubu. Mo\u017enost proveden\u00ed \u00fatoku byla demonstrov\u00e1na pro 28 popul\u00e1rn\u00edch velk\u00fdch jazykov\u00fdch model\u016f od nejv\u011bt\u0161\u00edch v\u00fdrobc\u016f. Nap\u0159\u00edklad, p\u0159esnost identifikace dotaz\u016f na t\u00e9ma \u201epran\u00ed pen\u011bz\u201c pro mnoho AI slu\u017eeb dos\u00e1hla 100 % p\u0159i p\u0159\u00edtomnosti 1 hledan\u00e9ho dotazu a 10000 dotaz\u016f, kter\u00e9 nesouvisely s dan\u00fdm t\u00e9matem.

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

P\u0159\u00ed\u010dinou \u00faniku informac\u00ed je skute\u010dnost, \u017ee modely generuj\u00ed odpov\u011b\u010f na dotaz po kroc\u00edch, po jednom tokenu za \u010das, p\u0159i\u010dem\u017e v 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. Odpov\u00eddaj\u00edc\u00edm zp\u016fsobem je na ka\u017ed\u00fd token odes\u00edl\u00e1n samostatn\u00fd s\u00ed\u0165ov\u00fd paket 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 nen\u00ed pou\u017eito komprese dat, je velikost \u0161ifrovan\u00e9ho textu rovna velikosti ne\u0161ifrovan\u00e9ho textu plus konstant\u011b. P\u0159i vytv\u00e1\u0159en\u00ed modelu, kter\u00fd porovn\u00e1v\u00e1 po\u017eadovan\u00e9 sady token\u016f s velikost\u00ed paket\u016f a zpo\u017ed\u011bn\u00edm mezi jejich odes\u00edl\u00e1n\u00edm, lze docela 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 takov\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

Pro sn\u00ed\u017een\u00ed \u00fa\u010dinnosti pasivn\u00ed anal\u00fdzy t\u00e9matick\u00fdch dotaz\u016f bylo v\u00fdvoj\u00e1\u0159\u016fm AI slu\u017eeb navr\u017eeno p\u0159ipojit n\u00e1hodn\u00e9 dodate\u010dn\u00e9 vypln\u011bn\u00ed, bufferovat p\u0159enos token\u016f nebo prov\u00e1d\u011bt substituci fiktivn\u00edch paket\u016f.
\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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