{"id":104862,"date":"2022-08-16T21:36:39","date_gmt":"2022-08-16T19:36:39","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/popytka-zahvata-uchyotnyh-zapisej-signal-cherez-komprometacziyu-sms-servisa-twilio"},"modified":"2022-08-16T21:36:39","modified_gmt":"2022-08-16T19:36:39","slug":"popytka-zahvata-uchyotnyh-zapisej-signal-cherez-komprometacziyu-sms-servisa-twilio","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pl\/blog\/news\/popytka-zahvata-uchyotnyh-zapisej-signal-cherez-komprometacziyu-sms-servisa-twilio","title":{"rendered":"Pr\u00f3ba przej\u0119cia kont Signal poprzez kompromitacj\u0119 us\u0142ugi SMS Twilio","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Programi\u015bci otwartego komunikatora Signal ujawnili szczeg\u00f3\u0142y ataku skierowanego na przej\u0119cie kontroli nad kontami niekt\u00f3rych u\u017cytkownik\u00f3w. Atak zosta\u0142 przeprowadzony przez w\u0142amanie do us\u0142ugi Twilio, u\u017cywanej w Signal do organizacji wysy\u0142ania wiadomo\u015bci SMS z kodami potwierdzaj\u0105cymi. Analiza danych wykaza\u0142a, \u017ce w\u0142amanie do Twilio mog\u0142o dotkn\u0105\u0107 oko\u0142o 1900 numer\u00f3w telefon\u00f3w u\u017cytkownik\u00f3w Signal, nad kt\u00f3rymi napastnicy mieli mo\u017cliwo\u015b\u0107 przerejestrowania numer\u00f3w telefon\u00f3w na inne urz\u0105dzenie, a nast\u0119pnie odbierania lub wysy\u0142ania wiadomo\u015bci dla powi\u0105zanego numeru telefonu (dost\u0119p do historii wcze\u015bniejszej korespondencji, informacji z profilu i ksi\u0105\u017cki adresowej nie m\u00f3g\u0142 by\u0107 uzyskany, poniewa\u017c takie informacje s\u0105 przechowywane na urz\u0105dzeniu u\u017cytkownika i nie s\u0105 przesy\u0142ane na serwery Signal). <\/p>\n

W okresie czasu od w\u0142amania do zablokowania przez us\u0142ug\u0119 Twilio skompromitowanego konta pracownika, kt\u00f3ry zosta\u0142 wykorzystany do ataku, na wskazanych 1900 numerach telefon\u00f3w zauwa\u017cono aktywno\u015b\u0107 zwi\u0105zan\u0105 z rejestracj\u0105 konta lub wysy\u0142aniem kodu weryfikacyjnego przez SMS. Przy tym, uzyskuj\u0105c dost\u0119p do interfejsu Twilio, napastnicy interesowali si\u0119 konkretnymi trzema numerami u\u017cytkownik\u00f3w Signal, a co najmniej jeden z telefon\u00f3w uda\u0142o si\u0119 powi\u0105za\u0107 z urz\u0105dzeniem przest\u0119pc\u00f3w, s\u0105dz\u0105c po skardze otrzymanej od w\u0142a\u015bciciela poszkodowanego konta. Signal wys\u0142a\u0142 powiadomienia SMS o incydencie wszystkim u\u017cytkownikom, kt\u00f3rych potencjalnie mog\u0142a dotkn\u0105\u0107 atak, i uniewa\u017cni\u0142 rejestracj\u0119 ich urz\u0105dze\u0144. <\/p>\n

W\u0142amanie do Twilio zosta\u0142o dokonane przy u\u017cyciu metod in\u017cynierii spo\u0142ecznej, kt\u00f3re pozwoli\u0142y napastnikom zwabi\u0107 jednego z pracownik\u00f3w firmy na stron\u0119 phishingow\u0105 i uzyska\u0107 dost\u0119p do jego konta w systemie wsparcia klienta. W szczeg\u00f3lno\u015bci napastnicy wys\u0142ali pracownikom Twilio wiadomo\u015bci SMS z ostrze\u017ceniem o wyga\u015bni\u0119ciu wa\u017cno\u015bci konta lub informacjami o zmianach w harmonogramie, do kt\u00f3rych do\u0142\u0105czono link do fa\u0142szywej strony stylizowanej na interfejs jednolitych wej\u015b\u0107 do serwis\u00f3w Twilio. Z danych Twilio wynika, \u017ce, pod\u0142\u0105czaj\u0105c si\u0119 do interfejsu wsparcia, napastnicy zd\u0105\u017cyli uzyska\u0107 dost\u0119p do danych zwi\u0105zanych z 125 u\u017cytkownikami.
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\u0179r\u00f3d\u0142o: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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