{"id":85878,"date":"2020-06-20T01:42:41","date_gmt":"2020-06-19T23:42:41","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/111-chrome-dopolnenij-zagruzhennyh-32-mln-raz-ulicheny-v-zagruzke-konfidenczialnyh-dannyh"},"modified":"2020-06-20T01:42:41","modified_gmt":"2020-06-19T23:42:41","slug":"111-chrome-dopolnenij-zagruzhennyh-32-mln-raz-ulicheny-v-zagruzke-konfidenczialnyh-dannyh","status":"publish","type":"post","link":"https:\/\/prohoster.info\/cs\/blog\/news\/111-chrome-dopolnenij-zagruzhennyh-32-mln-raz-ulicheny-v-zagruzke-konfidenczialnyh-dannyh","title":{"rendered":"111 roz\u0161\u00ed\u0159en\u00ed pro Chrome, sta\u017een\u00fdch 32 milionkr\u00e1t, bylo usv\u011bd\u010deno ze stahov\u00e1n\u00ed citliv\u00fdch \u00fadaj\u016f","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Spole\u010dnost Awake Security ozn\u00e1mila<\/a><\/noindex> o odhalov\u00e1n\u00ed 111 dopl\u0148k\u016f<\/a><\/noindex> pro Google Chrome, kter\u00e9 odes\u00edlaly citliv\u00e9 \u00fadaje u\u017eivatel\u016f na extern\u00ed servery. Tyto dopl\u0148ky m\u011bly p\u0159\u00edstup k vytv\u00e1\u0159en\u00ed sn\u00edmk\u016f obrazovky, \u010dten\u00ed obsahu schr\u00e1nky, anal\u00fdze p\u0159\u00edtomnosti p\u0159\u00edstupov\u00fdch token\u016f v cookie a zachyt\u00e1v\u00e1n\u00ed vstupu ve webov\u00fdch formul\u00e1\u0159\u00edch. Celkov\u011b odhalen\u00e9 \u0161kodliv\u00e9 dopl\u0148ky m\u011bly 32,9 milionu sta\u017een\u00ed v Chrome Web Store, a ten nejpopul\u00e1rn\u011bj\u0161\u00ed (S\u0435arch Manager) byl sta\u017een 10 milion\u016fkr\u00e1t a obsahoval 22 tis\u00edc recenz\u00ed.<\/p>\n

P\u0159edpokl\u00e1d\u00e1 se, \u017ee v\u0161echny zm\u00edn\u011bn\u00e9 dopl\u0148ky byly p\u0159ipraveny stejn\u00fdm t\u00fdmem \u00fato\u010dn\u00edk\u016f, proto\u017ee ve v\u0161ech byla pou\u017eita<\/a><\/noindex> typick\u00e1 sch\u00e9ma distribuce a organizace zachycov\u00e1n\u00ed citliv\u00fdch \u00fadaj\u016f, a tak\u00e9 se objevuj\u00ed spole\u010dn\u00e9 prvky designu a opakuj\u00edc\u00ed se k\u00f3d. 79 dopl\u0148k\u016f<\/a><\/noindex> se \u0161kodliv\u00fdm k\u00f3dem bylo um\u00edst\u011bno v katalogu Chrome Store a ji\u017e bylo odstran\u011bno po odesl\u00e1n\u00ed ozn\u00e1men\u00ed o \u0161kodliv\u00e9 aktivit\u011b. Mnoho \u0161kodliv\u00fdch dopl\u0148k\u016f kop\u00edrovalo funkce r\u016fzn\u00fdch popul\u00e1rn\u00edch dopl\u0148k\u016f, v\u010detn\u011b t\u011bch, kter\u00e9 byly zam\u011b\u0159eny na zaji\u0161t\u011bn\u00ed dal\u0161\u00ed ochrany prohl\u00ed\u017ee\u010de, zvy\u0161ov\u00e1n\u00ed soukrom\u00ed p\u0159i hled\u00e1n\u00ed, p\u0159evod PDF a konverzi form\u00e1t\u016f.<\/p>\n

\"111<\/a><\/noindex><\/center><\/p>\n

V\u00fdvoj\u00e1\u0159i dopl\u0148k\u016f nejprve umis\u0165ovali do Chrome Store \u010distou verzi bez \u0161kodliv\u00e9ho k\u00f3du, proch\u00e1zeli recenz\u00ed a pot\u00e9 v jednom z aktualizac\u00ed p\u0159id\u00e1vali zm\u011bny, kter\u00e9 na\u010d\u00edtaly \u0161kodliv\u00fd k\u00f3d po instalaci. K zakryt\u00ed stop \u0161kodliv\u00e9 \u010dinnosti byla tak\u00e9 pou\u017eita technika selektivn\u00edch odpov\u011bd\u00ed \u2014 p\u0159i prvn\u00edm po\u017eadavku byla vyd\u00e1na \u0161kodliv\u00e1 na\u010dten\u00ed, a p\u0159i n\u00e1sledn\u00fdch byly poskytov\u00e1na data, kter\u00e1 nevzbuzovala podez\u0159en\u00ed. <\/p>\n

\"111<\/a><\/noindex><\/center><\/p>\n

Hlavn\u00edmi zp\u016fsoby \u0161\u00ed\u0159en\u00ed \u0161kodliv\u00fdch dopl\u0148k\u016f jsou propagace profesion\u00e1ln\u011b vypadaj\u00edc\u00edch webov\u00fdch str\u00e1nek (jak je vid\u011bt na obr\u00e1zku n\u00ed\u017ee) a um\u00edst\u011bn\u00ed v Chrome Web Store, obch\u00e1zej\u00edc\u00ed mechanismy kontroly pro n\u00e1sledn\u00e9 na\u010d\u00edt\u00e1n\u00ed k\u00f3du z extern\u00edch str\u00e1nek. Aby obch\u00e1zeli omezen\u00ed instalace dopl\u0148k\u016f pouze z Chrome Web Store, \u00fato\u010dn\u00edci \u0161\u00ed\u0159ili jednotliv\u00e9 distribuce Chromium s p\u0159edinstalovan\u00fdmi dopl\u0148ky a instalovali je prost\u0159ednictv\u00edm ji\u017e p\u0159\u00edtomn\u00fdch reklamn\u00edch aplikac\u00ed (Adware) v syst\u00e9mu. V\u00fdzkumn\u00edci analyzovali 100 s\u00edt\u00ed finan\u010dn\u00edch, medi\u00e1ln\u00edch, l\u00e9ka\u0159sk\u00fdch, farmaceutick\u00fdch, ropn\u00fdch a obchodn\u00edch spole\u010dnost\u00ed, stejn\u011b jako vzd\u011bl\u00e1vac\u00edch a st\u00e1tn\u00edch instituc\u00ed, a t\u00e9m\u011b\u0159 ve v\u0161ech z nich na\u0161li stopy p\u0159\u00edtomnosti uveden\u00fdch \u0161kodliv\u00fdch dopl\u0148k\u016f. <\/p>\n

\"111<\/a><\/noindex><\/center><\/p>\n

B\u011bhem kampan\u011b na \u0161\u00ed\u0159en\u00ed \u0161kodliv\u00fdch dopl\u0148k\u016f bylo zaregistrov\u00e1no v\u00edce 15 tis\u00edc dom\u00e9n<\/a><\/noindex>, kter\u00e9 se p\u0159ekr\u00fdvaly s popul\u00e1rn\u00edmi webov\u00fdmi str\u00e1nkami (nap\u0159\u00edklad gmaille.com, youtubeunblocked.net apod.) nebo byly zaregistrov\u00e1ny po uplynut\u00ed doby prodlou\u017een\u00ed d\u0159\u00edve existuj\u00edc\u00edch dom\u00e9n. Tyto dom\u00e9ny byly tak\u00e9 pou\u017eity v infrastruktu\u0159e pro spr\u00e1vu \u0161kodliv\u00e9 \u010dinnosti a pro na\u010dten\u00ed \u0161kodliv\u00fdch JavaScriptov\u00fdch vlo\u017eek prov\u00e1d\u011bn\u00fdch v kontextu otev\u0159en\u00fdch str\u00e1nek u\u017eivateli.<\/p>\n

V\u00fdzkumn\u00edci podez\u0159\u00edvali spiknut\u00ed s registrem dom\u00e9n Galcomm, kde bylo zaregistrov\u00e1no 15 tis\u00edc dom\u00e9n pro \u0161kodliv\u00e9 \u00fa\u010dely (60% ze v\u0161ech dom\u00e9n vydan\u00fdch t\u00edmto registrem), ale z\u00e1stupci Galcomm vyvr\u00e1tili<\/a><\/noindex> tato tvrzen\u00ed a uvedli, \u017ee 25 % z uveden\u00fdch dom\u00e9n ji\u017e bylo odstran\u011bno nebo bylo vyd\u00e1no nikoli Galcomm, a t\u00e9m\u011b\u0159 v\u0161echny ostatn\u00ed jsou neaktivn\u00ed parkovan\u00e9 dom\u00e9ny. Z\u00e1stupci Galcomm tak\u00e9 ozn\u00e1mili, \u017ee p\u0159ed ve\u0159ejn\u00fdm zve\u0159ejn\u011bn\u00edm zpr\u00e1vy se na n\u011b nikdo neobr\u00e1til a \u017ee seznam dom\u00e9n pou\u017e\u00edvan\u00fdch pro \u0161kodliv\u00e9 \u00fa\u010dely obdr\u017eeli od t\u0159et\u00ed strany a nyn\u00ed prov\u00e1d\u011bj\u00ed vlastn\u00ed vy\u0161et\u0159ov\u00e1n\u00ed.<\/p>\n

V\u00fdzkumn\u00edci, kte\u0159\u00ed probl\u00e9m odhalili, srovn\u00e1vaj\u00ed \u0161kodliv\u00e9 dopl\u0148ky s nov\u00fdm rootkitem \u2014 hlavn\u00ed \u010dinnost mnoha u\u017eivatel\u016f prob\u00edh\u00e1 p\u0159es prohl\u00ed\u017ee\u010d, kter\u00fdm maj\u00ed p\u0159\u00edstup k sd\u00edlen\u00fdm \u00falo\u017ei\u0161t\u00edm dokument\u016f, firemn\u00edm informa\u010dn\u00edm syst\u00e9m\u016fm a finan\u010dn\u00edm slu\u017eb\u00e1m. Zlo\u010dinc\u016fm v t\u011bchto podm\u00ednk\u00e1ch ned\u00e1v\u00e1 smysl hledat cesty k \u00fapln\u00e9 kompromitaci opera\u010dn\u00edho syst\u00e9mu pro instalaci plnohodnotn\u00e9ho rootkitu \u2014 mnohem jednodu\u0161\u0161\u00ed je dos\u00e1hnout instalace \u0161kodliv\u00e9ho prohl\u00ed\u017ee\u010dov\u00e9ho dopl\u0148ku a kontrolovat p\u0159es n\u011bj toky citliv\u00fdch dat. Krom\u011b kontroly tranzitn\u00edch dat m\u016f\u017ee dopln\u011bk po\u017e\u00e1dat o opr\u00e1vn\u011bn\u00ed pro p\u0159\u00edstup k m\u00edstn\u00edm dat\u016fm, webov\u00e9 kame\u0159e a poloze. Jak ukazuje praxe, v\u011bt\u0161ina u\u017eivatel\u016f si nev\u0161\u00edm\u00e1 po\u017eadovan\u00fdch opr\u00e1vn\u011bn\u00ed a 80 % z 1000 popul\u00e1rn\u00edch dopl\u0148k\u016f \u017e\u00e1d\u00e1 o p\u0159\u00edstup k dat\u016fm v\u0161ech zpracov\u00e1van\u00fdch str\u00e1nek. <\/p>\n

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

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

\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Awake Security \u0441\u043e\u043e\u0431\u0449\u0438\u043b\u0430 \u043e \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u0438 111 \u0434\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u0439 \u043a Google Chrome, \u043e\u0442\u043f\u0440\u0430\u0432\u043b\u044f\u044e\u0449\u0438\u0445 \u043d\u0430 \u0432\u043d\u0435\u0448\u043d\u0438\u0435 \u0441\u0435\u0440\u0432\u0435\u0440\u044b \u043a\u043e\u043d\u0444\u0438\u0434\u0435\u043d\u0446\u0438\u0430\u043b\u044c\u043d\u044b\u0435 \u0434\u0430\u043d\u043d\u044b\u0435 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u044f. \u0412 \u0442\u043e\u043c \u0447\u0438\u0441\u043b\u0435 \u0434\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u0438\u043c\u0435\u043b\u0438 \u0434\u043e\u0441\u0442\u0443\u043f \u043a \u0441\u043e\u0437\u0434\u0430\u043d\u0438\u044e \u0441\u043a\u0440\u0438\u043d\u0448\u043e\u0442\u043e\u0432, \u0447\u0442\u0435\u043d\u0438\u044e \u0441\u043e\u0434\u0435\u0440\u0436\u0438\u043c\u043e\u0433\u043e \u0431\u0443\u0444\u0435\u0440\u0430 \u043e\u0431\u043c\u0435\u043d\u0430, \u0430\u043d\u0430\u043b\u0438\u0437\u0443 \u043d\u0430\u043b\u0438\u0447\u0438\u044f \u0442\u043e\u043a\u0435\u043d\u043e\u0432 \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u0432 Cookie \u0438 \u043f\u0435\u0440\u0435\u0445\u0432\u0430\u0442\u0443 \u0432\u0432\u043e\u0434\u0430 \u0432 web-\u0444\u043e\u0440\u043c\u0430\u0445. \u0412 \u0441\u0443\u043c\u043c\u0435 \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u043d\u044b\u0435 \u0432\u0440\u0435\u0434\u043e\u043d\u043e\u0441\u043d\u044b\u0435 \u0434\u043e\u043f\u043e\u043b\u043d\u0435\u043d\u0438\u044f \u043d\u0430\u0441\u0447\u0438\u0442\u044b\u0432\u0430\u043b\u0438 32.9 \u043c\u043b\u043d \u0437\u0430\u0433\u0440\u0443\u0437\u043e\u043a \u0432 Chrome Web Store, 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