{"id":3891,"date":"2022-01-21T19:05:51","date_gmt":"2022-01-21T18:05:51","guid":{"rendered":"https:\/\/fr.koddos.net\/blog\/?p=3891"},"modified":"2022-01-21T19:05:56","modified_gmt":"2022-01-21T18:05:56","slug":"le-hacker-de-multichain-rend-972-000-deth-et-conserve-187-000","status":"publish","type":"post","link":"https:\/\/fr.koddos.net\/blog\/le-hacker-de-multichain-rend-972-000-deth-et-conserve-187-000\/","title":{"rendered":"LE HACKER DE MULTICHAIN REND 972 000 $ D&rsquo;ETH ET CONSERVE 187 000 $"},"content":{"rendered":"\n<p>La plateforme MultiChain, qui a r\u00e9cemment \u00e9t\u00e9 pirat\u00e9e, a r\u00e9cup\u00e9r\u00e9 une partie des fonds vol\u00e9s. La plateforme a perdu environ 3 millions de dollars pendant l&rsquo;<strong><a href=\"https:\/\/blog.koddos.net\/under-armour-reveals-hacking-incident-that-affected-150-million-of-its-users\/\">incident de piratage<\/a><\/strong>. Mais l&rsquo;un des hackers a rendu 322 ETH (972 000 $), gardant 62 ETH (187 000 $) comme \u00ab\u00a0bug bounty\u00a0\u00bb. Cependant, plus de 527 ETH sont encore en suspens apr\u00e8s les exploits.<\/p>\n\n\n\n<p>La vuln\u00e9rabilit\u00e9 de MultiChain a affect\u00e9 six jetons, notamment Wrapped Binance Coin (wBNB), Mars Token (OMT), Peri Finance (PER), Wrapped Ether (wETH), Avalanche (AVAX) et Polygon (MATIC). MultiChain a par la suite annonc\u00e9 que la vuln\u00e9rabilit\u00e9 \u00e0 l&rsquo;origine de l&rsquo;exploit avait \u00e9t\u00e9 \u00ab\u00a0signal\u00e9e et corrig\u00e9e.\u00a0\u00bb<\/p>\n\n\n\n<p>Mais une fois que le bug a \u00e9t\u00e9 rendu public, il a encourag\u00e9 plusieurs acteurs de la menace \u00e0 lancer diff\u00e9rentes attaques sur le protocole, et certains d&rsquo;entre eux ont r\u00e9ussi \u00e0 voler des jetons sur la plateforme.<\/p>\n\n\n\n<p>Bien que des jetons d&rsquo;une valeur d&rsquo;environ 3 millions de dollars aient \u00e9t\u00e9 vol\u00e9s, MultiChain a indiqu\u00e9 que la majorit\u00e9 des fonds de la plateforme \u00e9taient en s\u00e9curit\u00e9.<\/p>\n\n\n\n<p><strong>Les fonds ont \u00e9t\u00e9 restitu\u00e9s en quatre transactions<\/strong><\/p>\n\n\n\n<p>L&rsquo;un des hackers, qui pr\u00e9tendait \u00eatre un \u00ab\u00a0white hat\u00a0\u00bb, a entam\u00e9 une communication avec le protocole, promettant de restituer 80 % des fonds qu&rsquo;il avait vol\u00e9s. Un utilisateur qui a perdu pr\u00e8s d&rsquo;un million de dollars \u00e0 cause de cet exploit, a d\u00e9clar\u00e9 que le hacker peut garder une commission d&rsquo;interm\u00e9diaire sur les <strong><a href=\"https:\/\/blog.koddos.net\/almost-all-funds-entrusted-to-altsbit-crypto-exchange-stolen-by-hackers\/\">fonds vol\u00e9s<\/a><\/strong> en rendant la majorit\u00e9 des fonds. Le dernier d\u00e9veloppement est peut-\u00eatre une r\u00e9ponse \u00e0 la demande de l&rsquo;utilisateur.<\/p>\n\n\n\n<p>Selon un tweet attribu\u00e9 \u00e0 Tal Be&rsquo;ery, cofondateur du portefeuille Zengo, le hacker a affirm\u00e9 que son action a sauv\u00e9 d&rsquo;autres utilisateurs de Multichain qui auraient pu \u00eatre exploit\u00e9s en raison de la vuln\u00e9rabilit\u00e9 existante.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-rich is-provider-twitter wp-block-embed-twitter\"><div class=\"wp-block-embed__wrapper\">\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\"><p lang=\"en\" dir=\"ltr\">Happy end \ud83d\udc8f<br>\ud83d\udcfd\ufe0f Fin<a href=\"https:\/\/t.co\/wsGJKHuC7o\">https:\/\/t.co\/wsGJKHuC7o<\/a> <a href=\"https:\/\/t.co\/n47iVV9mwu\">pic.twitter.com\/n47iVV9mwu<\/a><\/p>&mdash; Tal Be&#39;ery (@TalBeerySec) <a href=\"https:\/\/twitter.com\/TalBeerySec\/status\/1484099758830637061?ref_src=twsrc%5Etfw\">January 20, 2022<\/a><\/blockquote><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script>\n<\/div><\/figure>\n\n\n\n<p>Le hacker a restitu\u00e9 la plupart des fonds \u00e0 la victime du vol. Les fonds ont \u00e9t\u00e9 restitu\u00e9s en <strong><a href=\"https:\/\/etherscan.io\/address\/0xfa2731d0bede684993ab1109db7ecf5bf33e8051\">quatre transactions<\/a><\/strong>. Dans deux transactions distinctes, le hacker a rendu 269 ETH (environ 813 000 $) et a gard\u00e9 50 ETH (150 000 $) pour lui-m\u00eame en tant que prime de bug.<\/p>\n\n\n\n<p>&nbsp;\u00ab\u00a0Bien re\u00e7u, merci pour votre honn\u00eatet\u00e9\u00a0\u00bb, a r\u00e9pondu l&rsquo;utilisateur soulag\u00e9 en remerciement au hacker. Quelques heures plus tard, le hacker a rendu 50 ETH en deux transactions, gardant 12 ETH comme <strong><a href=\"https:\/\/blog.koddos.net\/air-force-started-bug-bounty-program\/\">prime de bug<\/a><\/strong>.<\/p>\n\n\n\n<p><strong>Les utilisateurs ont \u00e9t\u00e9 conseill\u00e9s de prot\u00e9ger leurs comptes<\/strong><\/p>\n\n\n\n<p>En r\u00e9ponse au bug, MultiChain a demand\u00e9 aux utilisateurs d&rsquo;annuler l&rsquo;approbation afin de pr\u00e9venir toute nouvelle attaque sur leurs comptes.<\/p>\n\n\n\n<p>Apr\u00e8s l&rsquo;incident de piratage sur Multichain, l&rsquo;\u00e9quipe du protocole a publi\u00e9 sur sa page Twitter que les utilisateurs qui ont \u00e9t\u00e9 affect\u00e9s par l&rsquo;exploit doivent soumettre un ticket sur leur site de support.<\/p>\n\n\n\n<p>L&rsquo;\u00e9quipe a \u00e9galement publi\u00e9 les adresses des hackers sur son compte Twitter afin de permettre une surveillance ad\u00e9quate via l&rsquo;explorateur de blockchain. L&rsquo;\u00e9quipe a \u00e9galement promis de fournir des d\u00e9tails suppl\u00e9mentaires sur l&rsquo;incident et sur la mani\u00e8re dont les utilisateurs peuvent mieux prot\u00e9ger leurs comptes.<\/p>\n\n\n\n<p>L&rsquo;\u00e9v\u00e9nement n\u00e9gatif sur MultiChain pourrait avoir eu un impact sur son token MULTI. Mais malgr\u00e9 l&rsquo;exploit, le jeton semble ne pas \u00eatre perturb\u00e9. Bien qu&rsquo;il soit en baisse de 0,8 %, la plupart des d\u00e9tenteurs du jeton MULTI seront heureux compte tenu du fait que l&rsquo;ensemble du march\u00e9 des crypto-monnaies a connu un d\u00e9clin en mati\u00e8re de prix. La capitalisation du march\u00e9 des crypto-monnaies est pass\u00e9e de 1,98 trillion de dollars \u00e0 1,84 trillion de dollars en 24 heures, ce qui repr\u00e9sente une baisse de 7 %. Parmi tous les principaux jetons, le bitcoin a \u00e9t\u00e9 le plus touch\u00e9, chutant de pr\u00e8s de 9% \u00e0 environ 38 000 dollars en moins de 48 heures.<\/p>\n\n\n\n<p>Il n&rsquo;est pas certain que la baisse actuelle se maintienne pendant une p\u00e9riode prolong\u00e9e ou que la situation du march\u00e9 change.<\/p>\n\n\n\n<p><strong>Les hackers ciblent davantage de plateformes de crypto-monnaies<\/strong><\/p>\n\n\n\n<p>Le nombre d&rsquo;incidents de piratage sur les plateformes de crypto-monnaies a augment\u00e9 ces derniers mois. Alors que la popularit\u00e9 des crypto-actifs ne cesse de cro\u00eetre, de plus en plus d&rsquo;acteurs de menaces sont amen\u00e9s \u00e0 gagner de l&rsquo;argent en volant les protocoles.<\/p>\n\n\n\n<p>Le dernier incident de piratage sur MultiChain survient \u00e0 la m\u00eame p\u00e9riode o\u00f9 Crytpo.com a subi une cyberattaque.<\/p>\n\n\n\n<p>La plateforme d&rsquo;\u00e9change de crypto a admis que sa plateforme avait \u00e9t\u00e9 vis\u00e9e par des hackers. La plateforme <strong><a href=\"https:\/\/twitter.com\/cryptocom\/status\/1483050866894868484\">a publi\u00e9 via Twitter<\/a><\/strong> que l&rsquo;incident de piratage a affect\u00e9 un \u00ab\u00a0petit nombre d&rsquo;utilisateurs.\u00a0\u00bb<\/p>\n\n\n\n<p>Crypto.com a \u00e9galement d\u00e9clar\u00e9 qu&rsquo;elle avait suspendu les retraits sur la plateforme pour r\u00e9gler le probl\u00e8me et mener une enqu\u00eate. Cependant, la firme a confirm\u00e9 qu&rsquo;aucun fonds d&rsquo;utilisateur n&rsquo;a \u00e9t\u00e9 affect\u00e9, mais que les utilisateurs qui veulent acc\u00e9der \u00e0 leurs comptes doivent r\u00e9initialiser leur authentification \u00e0 deux facteurs par mesure de pr\u00e9caution.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>La plateforme MultiChain, qui a r\u00e9cemment \u00e9t\u00e9 pirat\u00e9e, a r\u00e9cup\u00e9r\u00e9 une partie des fonds vol\u00e9s. La plateforme a perdu environ 3 millions de dollars pendant l&rsquo;incident de piratage. Mais l&rsquo;un des hackers a rendu 322 ETH (972 000 $), gardant 62 ETH (187 000 $) comme \u00ab\u00a0bug bounty\u00a0\u00bb. Cependant, plus de 527 ETH sont encore &hellip; <a href=\"https:\/\/fr.koddos.net\/blog\/le-hacker-de-multichain-rend-972-000-deth-et-conserve-187-000\/\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">LE HACKER DE MULTICHAIN REND 972 000 $ D&rsquo;ETH ET CONSERVE 187 000 $<\/span><\/a><\/p>\n","protected":false},"author":5,"featured_media":3892,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[6],"tags":[],"class_list":["post-3891","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualite"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>LE HACKER DE MULTICHAIN REND 972 000 $ D&#039;ETH ET CONSERVE 187 000 $ - Blog KoDDoS<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fr.koddos.net\/blog\/le-hacker-de-multichain-rend-972-000-deth-et-conserve-187-000\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"LE HACKER DE MULTICHAIN REND 972 000 $ D&#039;ETH ET CONSERVE 187 000 $ - Blog KoDDoS\" \/>\n<meta property=\"og:description\" content=\"La plateforme MultiChain, qui a r\u00e9cemment \u00e9t\u00e9 pirat\u00e9e, a r\u00e9cup\u00e9r\u00e9 une partie des fonds vol\u00e9s. La plateforme a perdu environ 3 millions de dollars pendant l&rsquo;incident de piratage. Mais l&rsquo;un des hackers a rendu 322 ETH (972 000 $), gardant 62 ETH (187 000 $) comme \u00ab\u00a0bug bounty\u00a0\u00bb. 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Blog KoDDoS","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/fr.koddos.net\/blog\/le-hacker-de-multichain-rend-972-000-deth-et-conserve-187-000\/","og_locale":"fr_FR","og_type":"article","og_title":"LE HACKER DE MULTICHAIN REND 972 000 $ D'ETH ET CONSERVE 187 000 $ - Blog KoDDoS","og_description":"La plateforme MultiChain, qui a r\u00e9cemment \u00e9t\u00e9 pirat\u00e9e, a r\u00e9cup\u00e9r\u00e9 une partie des fonds vol\u00e9s. La plateforme a perdu environ 3 millions de dollars pendant l&rsquo;incident de piratage. Mais l&rsquo;un des hackers a rendu 322 ETH (972 000 $), gardant 62 ETH (187 000 $) comme \u00ab\u00a0bug bounty\u00a0\u00bb. Cependant, plus de 527 ETH sont encore &hellip; Continue reading LE HACKER DE MULTICHAIN REND 972 000 $ D&rsquo;ETH ET CONSERVE 187 000 $","og_url":"https:\/\/fr.koddos.net\/blog\/le-hacker-de-multichain-rend-972-000-deth-et-conserve-187-000\/","og_site_name":"Blog KoDDoS","article_publisher":"https:\/\/www.facebook.com\/koddosCom","article_published_time":"2022-01-21T18:05:51+00:00","article_modified_time":"2022-01-21T18:05:56+00:00","og_image":[{"width":749,"height":396,"url":"https:\/\/fr.koddos.net\/blog\/wp-content\/uploads\/2022\/01\/MultiChain-Hacker-Returns-972000-Worth-Of-ETH-Retains-187000.jpg","type":"image\/jpeg"}],"author":"KoDDoS","twitter_card":"summary_large_image","twitter_creator":"@koddoscom","twitter_site":"@koddoscom","twitter_misc":{"\u00c9crit par":"KoDDoS","Dur\u00e9e de lecture estim\u00e9e":"4 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