{"id":12116,"date":"2022-04-17T16:48:05","date_gmt":"2022-04-17T13:48:05","guid":{"rendered":"https:\/\/kutaybilen.com.tr\/?p=12116"},"modified":"2022-04-17T16:48:05","modified_gmt":"2022-04-17T13:48:05","slug":"siri-alexa-ve-google-home-lazer-kullanarak-hacklendi","status":"publish","type":"post","link":"https:\/\/kutaybilen.com.tr\/?p=12116","title":{"rendered":"Siri, Alexa ve Google Home Lazer Kullanarak Hacklendi"},"content":{"rendered":"<p>D\u00fc\u015f\u00fck g\u00fc\u00e7l\u00fc bir lazeri\u00a0ses ile aktifle\u015fen sistemlere g\u00f6ndermek, sald\u0131rganlar\u0131n se\u00e7tikleri komutlar\u0131 <strong>110 m<\/strong> kadar uza\u011fa g\u00f6ndermelerini sa\u011fl\u0131yor. Ses denetimli sistemler bir\u00e7ok vakit kimlik denetimi gerektirmiyor. Kullan\u0131c\u0131lar\u0131n ataklar\u0131, s\u0131kl\u0131kla bir parola yahut PIN gerekmeden ger\u00e7ekle\u015ftirilebiliyor. Sistemler, makul hareketler i\u00e7in kimlik do\u011frulamas\u0131 gerektirse bile bir\u00e7ok ayg\u0131t, bir kullan\u0131c\u0131n\u0131n yapabilece\u011fi iddia say\u0131s\u0131n\u0131 s\u0131n\u0131rlamad\u0131\u011f\u0131 i\u00e7in PIN denenerek bulunabiliyor. Hassas bir ayg\u0131t, kapal\u0131 bir pencerenin yan\u0131nda tutulsa bile lazer tabanl\u0131 komutlar,\u00a0<strong>bir binadan ba\u015fkas\u0131na<\/strong> g\u00f6nderilebiliyor ve cam\u0131n i\u00e7inden\u00a0ge\u00e7ebiliyor.<\/p>\n<p>Ara\u015ft\u0131rmac\u0131lar;\u00a0yaln\u0131zca Siri, Alexa, Google Asistan ve\u00a0Facebook Portal\u00a0i\u00e7in test yapsa da\u00a0MEMS mikrofonlar\u0131n\u0131 kullanan t\u00fcm ayg\u0131tlar\u0131n <strong>Light Commands <\/strong>(lazerle yollanan komutlar)\u00a0sald\u0131r\u0131lar\u0131na kar\u015f\u0131 savunmas\u0131z oldu\u011funa inand\u0131klar\u0131n\u0131 belirtiyorlar.<\/p>\n<p><b>Lazer taarruzlar\u0131n\u0131 da s\u0131n\u0131rlayan durumlar var:<\/b><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.webtekno.com\/images\/editor\/default\/0002\/27\/e37b9dfd03c7fb8f82fbfa47c0dc6112a46b18cf.jpeg\"\/><\/p>\n<p>Lazer tabanl\u0131 h\u00fccumlar\u0131n kimi <strong>s\u0131n\u0131rlamalar\u0131 <\/strong>var. Birincisi, sald\u0131rgan\u0131n hedeflenen ayg\u0131ta direkt g\u00f6r\u00fc\u015f\u00fc olmal\u0131. Birden fazla durumda lazer, tam olarak mikrofonun \u00fczerine denk gelmeli.<\/p>\n<p>Taarruz, k\u0131z\u0131l\u00f6tesi lazer kullan\u0131lmad\u0131\u011f\u0131 durumlarda\u00a0cihaz\u0131 g\u00f6rebilen biri taraf\u0131ndan basit\u00e7e <strong>g\u00f6r\u00fclebilir<\/strong>. Dahas\u0131\u00a0cihazlar, \u00e7oklukla bir komutu \u00e7al\u0131\u015ft\u0131r\u0131rken sesli ve g\u00f6rsel ipu\u00e7lar\u0131yla cevap verir. Bu y\u00fczden ayg\u0131t\u0131 duyacak kadar yak\u0131n olan kullan\u0131c\u0131lar, bu h\u00fccumun fark\u0131na varabilir.<\/p>\n<p><b>Taarruz i\u00e7in gereken ayg\u0131tlar kolayl\u0131kla bulunabiliyor:<\/b><\/p>\n<p><div><\/div>\n<\/p>\n<p>Gereken ayg\u0131tlar aras\u0131nda\u00a0basit bir lazer (\u00fc\u00e7l\u00fc fiyat 18 dolar), bir LD5CHA lazer \u015fof\u00f6r\u00fc (339 dolar) ve bir ses y\u00fckseltici (27,99 dolar) bulunuyor. Heyetim, lazeri uzun uzakl\u0131kl\u0131 h\u00fccumlara odaklamak i\u00e7in iste\u011fe ba\u011fl\u0131 bir telefoto lens (199,95 dolar) de i\u00e7erebiliyor.<\/p>\n<p>\u00d6b\u00fcr bir suramda sakl\u0131 taarruzlar i\u00e7in insan g\u00f6z\u00fcyle <strong>g\u00f6r\u00fcnmeyen <\/strong>bir k\u0131z\u0131l\u00f6tesi lazer kullan\u0131ld\u0131. \u00dc\u00e7\u00fcnc\u00fc bir heyetim, bir MEMS mikrofonunun belli bir k\u0131sm\u0131na tam olarak \u0131\u015f\u0131k tutulmas\u0131 gereklili\u011fini ortadan kald\u0131rmak i\u00e7in lazerle uyar\u0131lm\u0131\u015f bir fosfor fenerine dayan\u0131yordu.<\/p>\n<p><b>70 metreden lazerle\u00a0komut g\u00f6nderdiler:<\/b><\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.webtekno.com\/images\/editor\/default\/0002\/27\/021e4f3c7e764a87a9dad963c7a789932186d0ed.jpeg\"\/><\/p>\n<p>Ara\u015ft\u0131rmac\u0131lar, 70 metre uzakl\u0131ktaki <strong>cam pencereden<\/strong> ba\u015far\u0131l\u0131 bir bi\u00e7imde komut g\u00f6ndermeyi ba\u015fard\u0131. Bu deneyde, bir VC ayg\u0131t\u0131 bir binan\u0131n d\u00f6rd\u00fcnc\u00fc kat\u0131ndaki pencerenin yan\u0131nda yani yerden yakla\u015f\u0131k 50 metre y\u00fcksekte konumland\u0131r\u0131ld\u0131. Sald\u0131rgan\u0131n lazeri, yer d\u00fczeyinden yakla\u015f\u0131k 141 metre y\u00fckseklikte bulunan yak\u0131ndaki \u00e7an kulesinin i\u00e7indeki bir platforma yerle\u015ftirildi. Grup, daha sonra Google Home ayg\u0131t\u0131n\u0131n mikrofonuna \u0131\u015f\u0131k tuttu.<\/p>\n<p><div><\/div>\n<\/p>\n<p>Farkl\u0131 bir deneyde ara\u015ft\u0131rmac\u0131lar, <strong>110 metre<\/strong> uzakl\u0131ktaki bir ayg\u0131ta ba\u015far\u0131l\u0131 bir formda sald\u0131rmak i\u00e7in ve lazeri odaklamak ismine bir telefoto lens kulland\u0131lar. Ara, test ortam\u0131nda m\u00fcsaade verilen <strong>azam\u00ee <\/strong>bedeldi ve daha uzun uzakl\u0131klar\u0131n m\u00fcmk\u00fcn olmas\u0131 hakk\u0131nda yeni bir fikir verdi.<\/p>\n<div> <\/div>\n","protected":false},"excerpt":{"rendered":"<p>D\u00fc\u015f\u00fck g\u00fc\u00e7l\u00fc bir lazeri\u00a0ses ile aktifle\u015fen sistemlere g\u00f6ndermek, sald\u0131rganlar\u0131n se\u00e7tikleri komutlar\u0131 110 m kadar uza\u011fa g\u00f6ndermelerini sa\u011fl\u0131yor &#8230;<\/p>\n","protected":false},"author":1,"featured_media":12117,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[854],"tags":[317,1601,1104],"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/posts\/12116"}],"collection":[{"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=12116"}],"version-history":[{"count":1,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/posts\/12116\/revisions"}],"predecessor-version":[{"id":12118,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/posts\/12116\/revisions\/12118"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=\/wp\/v2\/media\/12117"}],"wp:attachment":[{"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=12116"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=12116"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kutaybilen.com.tr\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=12116"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}