{"id":105327,"date":"2023-04-04T12:59:00","date_gmt":"2023-04-04T12:59:00","guid":{"rendered":"https:\/\/fr.cryptonews.com\/?p=109477"},"modified":"2023-06-26T11:06:43","modified_gmt":"2023-06-26T11:06:43","slug":"piratage-deuler-labs-le-hacker-restitue-tous-les-actifs-recuperables","status":"publish","type":"post","link":"https:\/\/cryptonews.com\/fr\/exclusives\/piratage-deuler-labs-le-hacker-restitue-tous-les-actifs-recuperables\/","title":{"rendered":"Piratage d&rsquo;Euler Labs : le hacker restitue \u00ab\u00a0tous les actifs pirat\u00e9s\u00a0\u00bb"},"content":{"rendered":"<figure class=\"image\"><img decoding=\"async\" src=\"https:\/\/cimg.co\/news\/108658\/263709\/adobestock-tomasz-biderma.jpeg\" alt=\"\" srcset=\"https:\/\/cimg.co\/news\/108658\/263709\/responsive-images\/adobestock-tomasz-biderma___media_library_original_1229_820.jpeg 1229w, https:\/\/cimg.co\/news\/108658\/263709\/responsive-images\/adobestock-tomasz-biderma___media_library_original_1200_801.jpeg 1200w, https:\/\/cimg.co\/news\/108658\/263709\/responsive-images\/adobestock-tomasz-biderma___media_library_original_900_600.jpeg 900w, https:\/\/cimg.co\/news\/108658\/263709\/responsive-images\/adobestock-tomasz-biderma___media_library_original_720_480.jpeg 720w, https:\/\/cimg.co\/news\/108658\/263709\/responsive-images\/adobestock-tomasz-biderma___media_library_original_600_400.jpeg 600w, https:\/\/cimg.co\/news\/108658\/263709\/responsive-images\/adobestock-tomasz-biderma___media_library_original_300_200.jpeg 300w\" sizes=\"100vw\" width=\"1229\" class=\"content-img\"><figcaption>Source : AdobeStock \/ Tomasz Bidermann<\/figcaption><\/figure><p class=\"wp-block-paragraph\"><a href=\"https:\/\/cryptonews.com\/fr\/news\/responsable-piratage-euler-finance-restitue-100-millions-dollars\/\"><strong>Euler Finance<\/strong><\/a> a convaincu son pirate de restituer la plupart des fonds dont il avait &eacute;t&eacute; d&eacute;poss&eacute;d&eacute;. En effet, la plateforme a fait l&rsquo;objet d&rsquo;un vol de 196 millions de dollars r&eacute;alis&eacute; gr&acirc;ce &agrave; une<strong> attaque de type \u00ab\u00a0flash loan\u00a0\u00bb.<\/strong>&nbsp;<\/p><figure class=\"media\"><oembed url=\"https:\/\/twitter.com\/CryptoZeroActu\/status\/1635332178749054976?s=20\"><\/oembed><\/figure><p><strong>La d&eacute;cision du pirate de restituer les fonds<\/strong> est le fruit de nombreux &eacute;changes qui ont dur&eacute; 23 jours et qui l&rsquo;ont finalement conduit &agrave; prendre la \u00ab\u00a0bonne d&eacute;cision\u00a0\u00bb.<\/p><h2>Rappel des faits relatifs au plus gros hack de crypto depuis le d&eacute;but de l&rsquo;ann&eacute;e 2023<\/h2><span class=\"replacer\"><\/span><p>Pour rappel,<strong> le pirate d&rsquo;Euler Finance<\/strong> a effectu&eacute; le 13 mars une multitude de transactions.&nbsp;<\/p><figure class=\"media\"><oembed url=\"https:\/\/twitter.com\/crypto__mak\/status\/1635812826303594496?s=20\"><\/oembed><\/figure><p>Celles-ci ont permis de soutirer des millions de dollars sous la forme de diff&eacute;rents tokens, notamment Dai, USD Coin, l&rsquo;Ether stak&eacute; (StETH) et le WBTC (wrapped Bitcoin).<\/p><figure class=\"image\"><img decoding=\"async\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" class=\" lazyload\" data-src=\"https:\/\/s3.cointelegraph.com\/uploads\/2023-04\/7324ab5e-73ee-4420-bb98-66e39a7f955c.png\" data-srcset=\"\"><figcaption>Fonds d&eacute;rob&eacute;s chez Euler Finance. Source : BlockSec<\/figcaption><\/figure><p>&nbsp;<\/p><p>L&rsquo;hacking a eu pour cons&eacute;quence de <strong>faire chuter la valeur totale des contrats intelligents d&rsquo;Euler Finance<\/strong>. Elle est ainsi pass&eacute;e de 311 millions de dollars &agrave; 10,37 millions de dollars. Par ailleurs, &agrave; la suite de ce piratage, 11 protocoles financiers d&eacute;centralis&eacute;s (DeFi) diff&eacute;rents ont d&eacute;clar&eacute; des pertes de fond et ont d&ucirc; geler leurs comptes. Parmi ces protocoles figurent Balancer, Yearn. Finance et Yield Protocol.<\/p><p>Au lendemain de l&rsquo;attaque, le 14 mars, Euler a mis en place des mesures proactives pour le recouvrement des fonds. Dans un premier temps, la plateforme a initi&eacute; <strong>la suspension de son module etoken <\/strong>qui &eacute;tait vuln&eacute;rable, ainsi que sa fonction de donation.&nbsp;<\/p><figure class=\"media\"><oembed url=\"https:\/\/twitter.com\/eulerfinance\/status\/1635431834631766018?ref_src=twsrc%5Etfw%7Ctwcamp%5Etweetembed%7Ctwterm%5E1635431834631766018%7Ctwgr%5Eacd4d7bd7ee7b2dff027400dc718c85827241ea2%7Ctwcon%5Es1_c10&amp;ref_url=https%3A%2F%2Fcointelegraph.com%2Fnews%2Feuler-labs-hacker-returns-all-of-the-recoverable-funds-timeline\"><\/oembed><\/figure><p>Dans un deuxi&egrave;me temps, elle a <strong>fait appel &agrave; des soci&eacute;t&eacute;s d&rsquo;audit <\/strong>pour analyser les causes profondes de ce piratage.<\/p><h2>Des n&eacute;gociations intenses entre Euler et le pirate pour la restitution des fonds vol&eacute;s<\/h2><span class=\"replacer\"><\/span><p>Parall&egrave;lement, <strong>Euler a entrepris de contacter les pirates pour n&eacute;gocier une prime<\/strong>. Ainsi, le 15 mars, Euler a octroy&eacute; au pirate un d&eacute;lai pour la restitution de 90 % de l&rsquo;argent vol&eacute;. &Agrave; d&eacute;faut de restituer les fonds, la soci&eacute;t&eacute; proposerait une prime d&rsquo;un million de dollars pour toute information pouvant mener &agrave; l&rsquo;arrestation du pirate. Gr&acirc;ce &agrave; cet accord, le pirate a pu empocher la somme de 19,6 millions de dollars.<\/p><p>Cependant, le pirate a proc&eacute;d&eacute; &agrave; des transferts d&rsquo;argent comme bon lui semblait. Ainsi, <strong>une victime du piratage a re&ccedil;u 100 &eacute;thers<\/strong> de la part du pirate, apr&egrave;s l&rsquo;avoir persuad&eacute; d&rsquo;avoir perdu toutes ses &eacute;conomies au cours de cette op&eacute;ration. En quelques jours, le pirate s&rsquo;est engag&eacute; dans un processus de restitution de l&rsquo;argent vol&eacute;, sous la forme de diff&eacute;rents montants.<\/p><p>Face &agrave; la confusion des utilisateurs, Michael Bentley, <strong>le PDG d&rsquo;<\/strong><a href=\"https:\/\/cryptonews.com\/fr\/news\/des-portefeuilles-liees-piratage-200-millions-euler-axie-infinity\/\"><strong>Euler Laboratories<\/strong><\/a>, s&rsquo;est voulu rassurant. Il a fait savoir que dix audits ind&eacute;pendants avaient &eacute;t&eacute; men&eacute;s sur une p&eacute;riode de deux ans. Ces audits ont permis de d&eacute;terminer dans quelle mesure le processus &eacute;tait \u00ab\u00a0&agrave; faible risque\u00a0\u00bb et ne suscitait \u00ab\u00a0aucune inqui&eacute;tude persistante\u00a0\u00bb.<\/p><p>Le 21 mars, Euler d&eacute;cide de rompre les n&eacute;gociations et annonce une r&eacute;compense d&rsquo;un million de dollars pour <strong>toute information menant &agrave; l&rsquo;arrestation du pirate<\/strong>. &Agrave; partir du 25 mars, le pirate a proc&eacute;d&eacute; &agrave; des restitutions r&eacute;p&eacute;t&eacute;es des actifs vol&eacute;s en quantit&eacute;s significatives.<\/p><p>Le 4 avril, soit 23 jours apr&egrave;s le piratage, la r&eacute;compense d&rsquo;un million de dollars a &eacute;t&eacute; lev&eacute;e. Euler Financial a fait savoir que la totalit&eacute; de l&rsquo;argent vol&eacute; avait &eacute;t&eacute; r&eacute;cup&eacute;r&eacute;e. Par cons&eacute;quent, <a href=\"https:\/\/cryptonews.com\/fr\/news\/euler-finance-piratage-massif-195-millions-pret-eclair\/\"><strong>la plateforme Euler Financial <\/strong><\/a>a indiqu&eacute; que la prime d&rsquo;un million de dollars lanc&eacute;e ne prenait fin et qu&rsquo;elle ne recevrait plus d&rsquo;informations.&nbsp;<\/p><figure class=\"media\"><oembed url=\"https:\/\/twitter.com\/eulerfinance\/status\/1643027452388597765?ref_src=twsrc%5Etfw%7Ctwcamp%5Etweetembed%7Ctwterm%5E1643027452388597765%7Ctwgr%5Eacd4d7bd7ee7b2dff027400dc718c85827241ea2%7Ctwcon%5Es1_c10&amp;ref_url=https%3A%2F%2Fcointelegraph.com%2Fnews%2Feuler-labs-hacker-returns-all-of-the-recoverable-funds-timeline\"><\/oembed><\/figure><p>Elle estime en effet que l&rsquo;exploiteur a fait ce qu&rsquo;il fallait en restituant les fonds vol&eacute;s.<\/p><p>Pour conclure la restitution des fonds vol&eacute;s, <strong>le hacker a envoy&eacute; 12 millions de DAI et 10 580 ETH<\/strong> en plusieurs transactions. Le travail acharn&eacute; fourni par Euler Finance pour le recouvrement des fonds pirat&eacute; et le r&eacute;tablissement de la confiance des investisseurs a re&ccedil;u un accueil favorable de la part de la communaut&eacute; des cryptomonnaies.<\/p><p><strong>Pour am&eacute;liorer la s&eacute;curit&eacute; des ponts<\/strong>, Gnosis, a r&eacute;cemment d&eacute;ploy&eacute; un agr&eacute;gateur d&rsquo;oracle de hachage. Cet agr&eacute;gateur requiert la validation d&rsquo;un retrait via plus d&rsquo;un pont. L&rsquo;&eacute;quipe derri&egrave;re Gnosis est &eacute;galement &agrave; l&rsquo;origine de Gnosis Safe multisig et Gnosis Chain.<\/p><p>Selon Cointelegraph, plus de <strong>2 milliards de dollars ont &eacute;t&eacute; vol&eacute;s en 2021 et 2022<\/strong>. Ces vols sont principalement dus &agrave; des bugs et &agrave; des attaques sur les portefeuilles.<\/p>","protected":false},"excerpt":{"rendered":"<p>Source : AdobeStock \/ Tomasz BidermannEuler Finance a convaincu son pirate de restituer la plupart des fonds dont il avait &eacute;t&eacute; d&eacute;poss&eacute;d&eacute;. En effet, la plateforme a fait l&rsquo;objet d&rsquo;un vol de 196 millions de dollars r&eacute;alis&eacute; gr&acirc;ce &agrave; une attaque de type \u00ab\u00a0flash loan\u00a0\u00bb.&nbsp;La d&eacute;cision du pirate de restituer les fonds est le fruit [&hellip;]<\/p>\n","protected":false},"author":128,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[5,2],"tags":[],"editors":[2034],"sponsored_companies":[],"class_list":["post-105327","post","type-post","status-publish","format-standard","hentry","category-features","category-exclusives","editors-rose-bidzogo"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Piratage d&#039;Euler Labs : le hacker restitue &quot;tous les actifs pirat\u00e9s&quot;<\/title>\n<meta name=\"description\" content=\"L&#039;auteur du 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