{"id":31573,"date":"2019-05-28T12:15:00","date_gmt":"2019-05-28T12:15:00","guid":{"rendered":"https:\/\/fr.cryptonews.com\/?p=31573"},"modified":"2023-06-26T11:06:32","modified_gmt":"2023-06-26T11:06:32","slug":"popular-private-key-generator-compromised-fake-crypto-wallet-3564","status":"publish","type":"post","link":"https:\/\/cryptonews.com\/fr\/exclusives\/popular-private-key-generator-compromised-fake-crypto-wallet-3564\/","title":{"rendered":"S\u00e9curit\u00e9: g\u00e9n\u00e9rateur de cl\u00e9s priv\u00e9es compromis et faux portefeuilles cryptos"},"content":{"rendered":"<p>Les chercheurs en s&eacute;curit&eacute; viennent d&rsquo;envoyer deux avertissements aux utilisateurs de cryptomonnaies concernant notamment les adresses qui ont &eacute;t&eacute; g&eacute;n&eacute;r&eacute;es par <b>WalletGenerator.net<\/b> apr&egrave;s ao&ucirc;t 2018. Ils demandent &eacute;galement d&rsquo;&ecirc;tre vigilant lorsque l&rsquo;on t&eacute;l&eacute;charge une application de portefeuille sur la plateforme <b>Google Play<\/b> magasin.<\/p><figure><img decoding=\"async\" src=\"https:\/\/cimg.co\/w\/articles-attachments\/1\/5ce\/cd16e3856d.jpg\" sizes=\"(min-width: 640px) 720px, 100vw\" srcset=\"https:\/\/cimg.co\/w\/articles-attachments\/1\/5ce\/cd16e3856d.jpg 300w, https:\/\/cimg.co\/w\/articles-attachments\/2\/5ce\/cd16e3856d.jpg 600w, https:\/\/cimg.co\/w\/articles-attachments\/3\/5ce\/cd16e3856d.jpg 720w, https:\/\/cimg.co\/w\/articles-attachments\/4\/5ce\/cd16e3856d.jpg 900w, https:\/\/cimg.co\/w\/articles-attachments\/0\/5ce\/cd16e3856d.jpg 1254w\" alt=\"\" class=\"content-img\"><figcaption>Source: iStock\/solarseven<\/figcaption><\/figure><p>&#8220;Si vous avez utilis&eacute; une cl&eacute; priv&eacute;e g&eacute;n&eacute;r&eacute;e sur WalletGenerator.net apr&egrave;s le 17 ao&ucirc;t 2018, transf&eacute;rez imm&eacute;diatement vos fonds &agrave; une adresse s&eacute;curis&eacute;e&#8221;, a dit <b>Harry Denley<\/b>, chercheur en s&eacute;curit&eacute; chez le fournisseur de portefeuille Ethereum <b>MyCrypto.com<\/b> dans un blog r&eacute;cent <a href=\"https:\/\/medium.com\/mycrypto\/disclosure-key-generation-vulnerability-found-on-walletgenerator-net-potentially-malicious-3d8936485961\" target=\"_blank\" rel=\"noopener\">article de blog<\/a>.<\/p><p>Selon lui, des modifications du code diffus&eacute;es via WalletGenerator.net ont entra&icirc;n&eacute; des doubles de paires de cl&eacute;s fournies aux utilisateurs. Ces paires de cl&eacute;s g&eacute;n&eacute;r&eacute;es &eacute;taient &eacute;galement potentiellement stock&eacute;es c&ocirc;t&eacute; serveur.<\/p><p>Le chercheur a sugg&eacute;r&eacute; de cr&eacute;er une nouvelle paire de cl&eacute;s \/ portefeuille et de transf&eacute;rer vos fonds vers cette nouvelle adresse s&eacute;curis&eacute;e.<\/p><p>&#8220;Certaines personnes ont recommand&eacute; l&rsquo;utilisation de bitaddress (offline) via <a href=\"https:\/\/github.com\/pointbiz\/bitaddress.org\" target=\"_blank\" rel=\"noopener\">https:\/\/github.com\/pointbiz\/bitaddress.org<\/a>,&#8221; Denley a ajout&eacute; que m&ecirc;me si le comportement malveillant n&rsquo;&eacute;tait pas encore d&eacute;tect&eacute; au 24 mai 2019, il pourrait se produire &agrave; tout moment.<\/p><p>&#8220;Dans cette tournure &eacute;trange des &eacute;v&eacute;nements, nous ne savons toujours pas si le propri&eacute;taire actuel du site est la partie malveillante, si le serveur n&#8217;est pas s&eacute;curis&eacute;, ou les deux&#8221;, a d&eacute;clar&eacute; le chercheur. WalletGenerator.net n&#8217;&eacute;tait pas disponible pour un commentaire imm&eacute;diat.<\/p><p>Dans une vid&eacute;o ci-dessous, l&#8217;&eacute;quipe &agrave; l&#8217;origine de la recherche a montr&eacute; comment elle avait g&eacute;n&eacute;r&eacute; 1 000 cl&eacute;s et trouv&eacute; des groupes de cl&eacute;s en double.<\/p><div class=\"video-object\"><div class=\"raw-html-embed\"><iframe title=\"YouTube video player\" width=\"640\" height=\"390\" class=\"lazyload\" data-src=\"https:\/\/www.youtube.com\/embed\/wi9wjoQ08tE?wmode=transparent&amp;modestbranding=1&amp;showinfo=0\" frameborder=\"0\" allowfullscreen><\/iframe><\/div><\/div><p>En avril, WalletGenerator.net avait enregistr&eacute; pr&egrave;s de 145 780 visites, soit 307% de plus qu&#8217;en mars, selon la plateforme de veille strat&eacute;gique num&eacute;rique Similarweb.<\/p><p>Les interfaces de portefeuille papier constituent un outil pratique pour les utilisateurs afin de g&eacute;n&eacute;rer facilement une paire de cl&eacute;s priv&eacute;e \/ publique. Cependant non seulement les portefeuilles en papier sont moins s&ucirc;rs que ce qu&rsquo;il est parfois pr&eacute;tendu, mais ils n&eacute;cessitent un niveau d&rsquo;expertise technique et de contr&ocirc;le qui d&eacute;passe les capacit&eacute;s de la plupart des non-sp&eacute;cialistes.<\/p><h2 data-param=\"1\" id=\"de-fausse-applications-cryptos\">De fausse applications cryptos<\/h2><span class=\"replacer\"><\/span><p>Dans le m&ecirc;me temps, Lukas Stefanko, chercheur en logiciels malveillants pour la soci&eacute;t&eacute; de s&eacute;curit&eacute; informatique <b>ESET<\/b>, affirme que de fausses applications de cryptomonnaies &#8220;apparaissent sur Google Play lorsque le prix du bitcoin augmente.&#8221;<\/p><p>Parmi les fausses applications, il a mentionn&eacute; une application imitant le portefeuille physique crypto <b><a href=\"https:\/\/shop.trezor.io\/product\/trezor-model-t?offer_id=15&amp;aff_id=1814\" target=\"_blank\" rel=\"noopener\">Trezor<\/a><\/b> et utilisant le nom &ldquo;Portefeuille mobile Trezor&rdquo;, tandis qu&#8217;un autre est l&#8217;application Coin Wallet. Au moment d&rsquo;&eacute;crire ces lignes, les deux applications ne sont plus disponibles sur Google Play. Cependant, l&#8217;application Coin Wallet aurait &eacute;t&eacute; install&eacute;e par plus de 1 000 utilisateurs.<\/p><p>Selon ESET et Trezor, la fausse application ne constituait pas une menace directe pour leurs utilisateurs. &#8220;Cependant, [Trezor] a exprim&eacute; sa crainte que les adresses e-mail collect&eacute;es via de fausses applications telles que celle-ci ne soient utilis&eacute;es par la suite pour des campagnes de phishing ciblant les utilisateurs de Trezor&#8221;, a d&eacute;clar&eacute; Stefanko dans un article de blog.<\/p><figure style=\"max-width: 682px\"><img decoding=\"async\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" sizes=\"(min-width: 640px) 682px, 100vw\" alt=\"\" class=\"content-img lazyload\" data-src=\"https:\/\/cimg.co\/w\/articles-attachments\/1\/5ce\/cd157bc49d.png\" data-srcset=\"https:\/\/cimg.co\/w\/articles-attachments\/1\/5ce\/cd157bc49d.png 300w, https:\/\/cimg.co\/w\/articles-attachments\/2\/5ce\/cd157bc49d.png 600w, https:\/\/cimg.co\/w\/articles-attachments\/3\/5ce\/cd157bc49d.png 720w, https:\/\/cimg.co\/w\/articles-attachments\/4\/5ce\/cd157bc49d.png 900w\"><figcaption>Source: ESET<\/figcaption><\/figure><p>Dans le m&ecirc;me temps, le but de la deuxi&egrave;me fausse application &eacute;tait &#8220;d&#8217;inciter les utilisateurs &agrave; transf&eacute;rer la cryptomonnaie dans le portefeuille des attaquants &#8211; un cas classique d&#8217;escroquerie d&#8217;adresse de portefeuille&#8221;.<\/p><p>&#8220;Si Bitcoin poursuit sa tendance de croissance, nous pouvons nous attendre &agrave; voir davantage d&#8217;applications frauduleuses de cryptomonnaies dans le magasin d&#8217;applications Android officiel et ailleurs&#8221;, a d&eacute;clar&eacute; Stefanko, recommandant de s&#8217;en tenir &agrave; ces principes de s&eacute;curit&eacute; de base:<\/p><ul><li>Ne faites confiance aux applications li&eacute;es &agrave; la cryptomonnaie et autres applications financi&egrave;res que si elles sont li&eacute;es au site officiel du service.<\/li><li>N&#8217;entrez vos informations sensibles dans des formulaires en ligne que si vous &ecirc;tes certain de leur s&eacute;curit&eacute; et de leur l&eacute;gitimit&eacute;.<\/li><li>Gardez votre appareil &agrave; jour.<\/li><li>Utilisez une solution de s&eacute;curit&eacute; mobile r&eacute;put&eacute;e pour bloquer et &eacute;liminer les menaces.<\/li><\/ul>","protected":false},"excerpt":{"rendered":"<p>Les chercheurs en s&eacute;curit&eacute; viennent d&rsquo;envoyer deux avertissements aux utilisateurs de cryptomonnaies concernant notamment les adresses qui ont &eacute;t&eacute; g&eacute;n&eacute;r&eacute;es par WalletGenerator.net apr&egrave;s ao&ucirc;t 2018. Ils demandent &eacute;galement d&rsquo;&ecirc;tre vigilant lorsque l&rsquo;on t&eacute;l&eacute;charge une application de portefeuille sur la plateforme Google Play magasin.Source: iStock\/solarseven&#8220;Si vous avez utilis&eacute; une cl&eacute; priv&eacute;e g&eacute;n&eacute;r&eacute;e sur WalletGenerator.net apr&egrave;s le [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[2,3],"tags":[44,83],"editors":[926],"sponsored_companies":[],"class_list":["post-31573","post","type-post","status-publish","format-standard","hentry","category-exclusives","category-people","tag-bitcoin","tag-securite","editors-linas-kmieliauskas"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.1.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>S\u00e9curit\u00e9: g\u00e9n\u00e9rateur de 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