{"id":4929,"date":"2023-04-13T07:57:00","date_gmt":"2023-04-13T05:57:00","guid":{"rendered":"https:\/\/fr.koddos.net\/blog\/?p=4929"},"modified":"2023-04-15T21:00:04","modified_gmt":"2023-04-15T19:00:04","slug":"le-protocole-defi-yearn-finance-exploite-et-plus-de-11-millions-de-dollars-voles","status":"publish","type":"post","link":"https:\/\/fr.koddos.net\/blog\/le-protocole-defi-yearn-finance-exploite-et-plus-de-11-millions-de-dollars-voles\/","title":{"rendered":"LE PROTOCOLE DEFI YEARN FINANCE EXPLOIT\u00c9 ET PLUS DE 11 MILLIONS DE DOLLARS VOL\u00c9S"},"content":{"rendered":"\n

Yearn.finance a \u00e9t\u00e9 la derni\u00e8re victime d’un piratage dans le secteur de la finance d\u00e9centralis\u00e9e (DeFi). Le piratage a permis \u00e0 l’acteur de la menace de monnayer plus d’un quadrillion de Yearn Tether (yUSDT) \u00e0 partir de 10 000 USDT. Le piratage a \u00e9t\u00e9 signal\u00e9 par la soci\u00e9t\u00e9 de s\u00e9curit\u00e9 blockchain PeckShield.<\/p>\n\n\n\n

Un hacker exploite le contrat Yearn.finance pour monnayer yUSDT   <\/strong><\/p>\n\n\n\n

PeckShield a lanc\u00e9 une alerte<\/a><\/strong> sur cet exploit sur Twitter. La soci\u00e9t\u00e9 de s\u00e9curit\u00e9 blockchain a d\u00e9clar\u00e9 qu’apr\u00e8s que le hacker ait frapp\u00e9 Yearn Tether, ils l’ont \u00e9chang\u00e9 contre d’autres stablecoins, ce qui leur a permis d’avoir 11,6 millions de dollars de multiples stablecoins.<\/p>\n\n\n\n

L’attaquant a converti les yUSDT vol\u00e9s en 61 000 Pax Dollar, 1,5 million de TrueUSD, 1,79 million de Binance USD, 1,2 million d’USDT, 2,58 millions d’USD Coin et 3 millions de Dai tokens. Ces stablecoins sont tous index\u00e9s sur la valeur d’un dollar Am\u00e9ricain.<\/p>\n\n\n\n

Le rapport de PeckShield a \u00e9galement not\u00e9 que le hacker avait d\u00e9j\u00e0 commenc\u00e9 \u00e0 blanchir les fonds vol\u00e9s. Il indique que le hacker a transf\u00e9r\u00e9 1000 ETH, \u00e9quivalant \u00e0 plus de 2 millions de dollars aux prix actuels, \u00e0 Tornado Cash. Tornado Cash est un outil de mixage de cryptomonnaies sanctionn\u00e9 par le gouvernement Am\u00e9ricain l’ann\u00e9e derni\u00e8re.<\/p>\n\n\n\n

PeckShield a aussi signal\u00e9 la plateforme DeFi Aave et Yearn.finance pour les informer de ce qui s’\u00e9tait pass\u00e9. Le protocole de pr\u00eat DeFi Yearn.finance a men\u00e9 les premi\u00e8res investigations sur cet incident. Le protocole a publi\u00e9 une d\u00e9claration indiquant que la violation n’avait pas eu d’impact \u00e0 grande \u00e9chelle.<\/p>\n\n\n\n

Yearn.finance a d\u00e9clar\u00e9<\/a><\/strong> que l’exploit \u00e9tait limit\u00e9 au service iearn. Le contrat iearn est obsol\u00e8te et existait avant les vo\u00fbtes v1 et v2. Le protocole a pr\u00e9cis\u00e9 que les contrats Yearn.finance et d’autres protocoles n’\u00e9taient pas affect\u00e9s par cet exploit.<\/p>\n\n\n\n

Le communiqu\u00e9 publi\u00e9 par Yearn.finance indique : \u00ab\u00a0Nous \u00e9tudions un probl\u00e8me avec iearn, un contrat obsol\u00e8te datant d’avant Vaults v1 et v2. Ce probl\u00e8me semble exclusif \u00e0 iearn et n’a pas d’impact sur les contrats ou protocoles actuels de Yearn. iearn est un contrat immuable ant\u00e9rieur \u00e0 YFI, il a \u00e9t\u00e9 d\u00e9pr\u00e9ci\u00e9 en 2020.\u00a0\u00bb<\/p>\n\n\n\n

L’entreprise a ajout\u00e9 que Vaults v1, qui utilisait des strat\u00e9gies \u00e9volutives, \u00e9tait \u00e9galement obsol\u00e8te en 2021, mais qu’il n’y avait aucun signe indiquant qu’elle avait \u00e9t\u00e9 affect\u00e9e. Le protocole s’appuie sur la version actuelle, Yearn v2 Vaults.<\/p>\n\n\n\n

Le protocole de pr\u00eat Aave a \u00e9galement publi\u00e9 une d\u00e9claration<\/a><\/strong> indiquant que le probl\u00e8me n’affectait pas Aave v2 et v3. La soci\u00e9t\u00e9 a indiqu\u00e9 qu’elle cherchait \u00e0 savoir si la version la plus ancienne du protocole, Aave v1, \u00e9tait concern\u00e9e. Elle a ensuite pr\u00e9cis\u00e9 qu’Aave v1 n’\u00e9tait pas non plus concern\u00e9. Le protocole a d\u00e9clar\u00e9 qu’il semblait que le jeton iearn USDT (yUSDT) pr\u00e9sentait des d\u00e9fauts depuis son d\u00e9ploiement.<\/p>\n\n\n\n

Les piratages dans l’industrie de la cryptographie<\/strong><\/p>\n\n\n\n

Les secteurs de la cryptographie et de la finance d\u00e9mat\u00e9rialis\u00e9e sont de plus en plus expos\u00e9s aux attaques de hackers. Il semble que les entreprises offrant des services li\u00e9s aux cryptomonnaies et aux DeFi devront mettre les hackers \u00e0 distance de mani\u00e8re agressive au deuxi\u00e8me trimestre, \u00e9tant donn\u00e9 que les exploits ont augment\u00e9 de mani\u00e8re alarmante.<\/p>\n\n\n\n

Outre Yearn.finance, l’autre protocole cryptographique r\u00e9cemment victime d’une attaque est la bourse Bitrue. Les attaquants ont drain\u00e9 23 millions de dollars de cryptomonnaies d’un portefeuille de cryptomonnaies appartenant \u00e0 la bourse. Bitrue a confirm\u00e9 cet exploit dans un tweet vendredi.<\/p>\n\n\n\n

La bourse n’a pas donn\u00e9 de d\u00e9tails sur la mani\u00e8re dont l’attaque s’est d\u00e9roul\u00e9e. Toutefois, elle a indiqu\u00e9 que l’exploit s’est produit dans l’un des hot wallets de l’entreprise le 14 avril. La bourse a \u00e9galement indiqu\u00e9 qu’elle avait rapidement trait\u00e9 le probl\u00e8me, emp\u00eachant ainsi les attaquants de voler plus de fonds<\/a><\/strong>.<\/p>\n\n\n\n

Selon Bitrue, ces hackers ont retir\u00e9 des crypto-actifs d’une valeur d’environ 23 millions. Les actifs vol\u00e9s comprennent des Ether, GALA, SHIB, HOT, QNT et MATIC. La bourse a \u00e9galement not\u00e9 que le portefeuille qui a \u00e9t\u00e9 exploit\u00e9 dans cette attaque poss\u00e9dait moins de 5 % des r\u00e9serves globales de la soci\u00e9t\u00e9, ajoutant que le portefeuille restant n’a pas \u00e9t\u00e9 affect\u00e9 et que les fonds qu’il contenait \u00e9taient en s\u00e9curit\u00e9.<\/p>\n\n\n\n

La bourse Bitrue a suspendu temporairement tous les retraits en raison de cette attaque. La bourse a pr\u00e9vu de reprendre les retraits le 18 avril. Elle a \u00e9galement indiqu\u00e9 que tous les utilisateurs affect\u00e9s par cette violation recevraient une compensation compl\u00e8te. Bitrue est l’une des plus grandes bourses, avec plus d’un milliard de dollars de transactions quotidiennes.<\/p>\n\n\n\n

Bien que les piratages se soient multipli\u00e9s ces derni\u00e8res ann\u00e9es dans les secteurs de la cryptographie et des services financiers \u00e9lectroniques, les montants vol\u00e9s lors de ces attaques sont rest\u00e9s nettement inf\u00e9rieurs. Un rapport trimestriel de CertiK indique que plus de 320 millions de dollars ont \u00e9t\u00e9 perdus \u00e0 cause d’exploits au cours du premier trimestre 2023. Le montant vol\u00e9 \u00e9tait inf\u00e9rieur \u00e0 celui rapport\u00e9 au T1 2022, o\u00f9 1,3 milliard de dollars ont \u00e9t\u00e9 vol\u00e9s, et au T4 2022, o\u00f9 950M$ ont \u00e9t\u00e9 perdus par les hackers.<\/p>\n","protected":false},"excerpt":{"rendered":"

Yearn.finance a \u00e9t\u00e9 la derni\u00e8re victime d’un piratage dans le secteur de la finance d\u00e9centralis\u00e9e (DeFi). Le piratage a permis \u00e0 l’acteur de la menace de monnayer plus d’un quadrillion de Yearn Tether (yUSDT) \u00e0 partir de 10 000 USDT. Le piratage a \u00e9t\u00e9 signal\u00e9 par la soci\u00e9t\u00e9 de s\u00e9curit\u00e9 blockchain PeckShield. Un hacker exploite … Continue reading LE PROTOCOLE DEFI YEARN FINANCE EXPLOIT\u00c9 ET PLUS DE 11 MILLIONS DE DOLLARS VOL\u00c9S<\/span><\/a><\/p>\n","protected":false},"author":5,"featured_media":4930,"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-4929","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-actualite"],"yoast_head":"\nLE PROTOCOLE DEFI YEARN FINANCE EXPLOIT\u00c9 ET PLUS DE 11 MILLIONS DE DOLLARS VOL\u00c9S - 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-protocole-defi-yearn-finance-exploite-et-plus-de-11-millions-de-dollars-voles\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"LE PROTOCOLE DEFI YEARN FINANCE EXPLOIT\u00c9 ET PLUS DE 11 MILLIONS DE DOLLARS VOL\u00c9S - Blog KoDDoS\" \/>\n<meta property=\"og:description\" content=\"Yearn.finance a \u00e9t\u00e9 la derni\u00e8re victime d’un piratage dans le secteur de la finance d\u00e9centralis\u00e9e (DeFi). 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