{"id":107821,"date":"2023-09-07T18:06:00","date_gmt":"2023-09-07T18:06:00","guid":{"rendered":"https:\/\/fr.cryptonews.com\/?p=124436"},"modified":"2023-09-08T07:57:59","modified_gmt":"2023-09-08T07:57:59","slug":"il-perd-24-millions-dollars-dethereum-eth-quelques-secondes","status":"publish","type":"post","link":"https:\/\/cryptonews.com\/fr\/news\/il-perd-24-millions-dollars-dethereum-eth-quelques-secondes\/","title":{"rendered":"Il perd 24 millions de dollars d\u2019Ethereum (ETH) en quelques secondes"},"content":{"rendered":"<figure class=\"image\"><img decoding=\"async\" src=\"https:\/\/cimg.co\/news\/124436\/328492\/capture-decran-2023-09-07.jpg\" alt=\"\" srcset=\"https:\/\/cimg.co\/news\/124436\/328492\/responsive-images\/capture-decran-2023-09-07___media_library_original_1000_503.jpg 1000w, https:\/\/cimg.co\/news\/124436\/328492\/responsive-images\/capture-decran-2023-09-07___media_library_original_900_453.jpg 900w, https:\/\/cimg.co\/news\/124436\/328492\/responsive-images\/capture-decran-2023-09-07___media_library_original_720_362.jpg 720w, https:\/\/cimg.co\/news\/124436\/328492\/responsive-images\/capture-decran-2023-09-07___media_library_original_600_302.jpg 600w, https:\/\/cimg.co\/news\/124436\/328492\/responsive-images\/capture-decran-2023-09-07___media_library_original_300_151.jpg 300w\" sizes=\"100vw\" width=\"1000\" class=\"content-img\"><\/figure><p>L&rsquo;analyse on-chain a montr&eacute; qu&rsquo;une baleine Ethereum a <strong>perdu pr&egrave;s de 24 millions de dollars en cryptomonnaies<\/strong>. La cause probable de cette perte est une attaque de type <i>phishing<\/i> (<strong>hame&ccedil;onnage<\/strong>). Les experts en s&eacute;curit&eacute; ont indiqu&eacute; qu&rsquo;il s&rsquo;agit probablement de la plus importante attaque de ce genre r&eacute;alis&eacute;e sur un portefeuille individuel depuis de nombreuses ann&eacute;es.<\/p><h2><strong>Une attaque par hame&ccedil;onnage vise une baleine<\/strong><\/h2><span class=\"replacer\"><\/span><p>Le phishing est une forme d&rsquo;attaque d&rsquo;ing&eacute;nierie sociale par laquelle les hackers parviennent &agrave; convaincre leurs victimes de r&eacute;v&eacute;ler des informations sensibles ou d&rsquo;installer des logiciels malveillants tels qu&#8217;un <i>ransomware<\/i>.&nbsp;<\/p><p>La soci&eacute;t&eacute; de s&eacute;curit&eacute; <strong>Scam Sniffer<\/strong> aurait &eacute;t&eacute; une des premi&egrave;res plateformes &agrave; avoir rep&eacute;r&eacute; l&rsquo;attaque. Selon la firme, la victime aurait autoris&eacute; une transaction depuis son portefeuille &agrave; partir d&rsquo;un lien malveillant. Scam Sniffer a indiqu&eacute; que <strong>les adresses li&eacute;es &agrave; l&rsquo;attaque (0x693b72 et 0x4c10a4) sont associ&eacute;es &agrave; de nombreux sites de phishing<\/strong>.<\/p><p>Les actifs perdus lors de l&rsquo;attaque comprennent des crypto-actifs d&eacute;riv&eacute;s du liquidity staking, &agrave; savoir des sETH et des rETH. PeckShield a rapport&eacute; que cet investisseur a perdu 9&nbsp;579 stETH (le jeton de staking de <a href=\"https:\/\/cryptonews.com\/fr\/news\/tvl-lido-depasse-15-millions-dollars-premiere-fois-depuis-plus-dun-an\/\"><u>Lido Finance<\/u><\/a>) et 4&nbsp;851 rETH (le jeton de staking de <a href=\"https:\/\/cryptonews.com\/fr\/news\/prevision-prix-rocket-pool-rpl-baisse-niveau-support-cle-defis-potentiels\/\"><u>Rocket Pool<\/u><\/a>). Selon Scam Sniffer, la victime a donn&eacute; son approbation &agrave; l&#8217;escroc en signant des transactions &laquo;&nbsp;<i>increaseAllowance<\/i>&nbsp;&raquo;.<\/p><p>Il s&rsquo;agit d&rsquo;une <strong>fonctionnalit&eacute; des jetons ERC-20 qui permettent &agrave; un tiers d&rsquo;obtenir une autorisation pour d&eacute;penser certains jetons appartenant &agrave; un autre propri&eacute;taire<\/strong>, &agrave; l&#8217;aide de contrats intelligents. Certains observateurs ont <strong>mis en garde contre les risques associ&eacute;s &agrave; cette fonction<\/strong>, notant que des d&eacute;veloppeurs anonymes pourraient d&eacute;ployer des contrats intelligents malveillants pour arnaquer les utilisateurs.<\/p><h2><strong>D&rsquo;importants transferts r&eacute;alis&eacute;s par le pirate<\/strong><\/h2><span class=\"replacer\"><\/span><p><a href=\"https:\/\/cryptonews.com\/fr\/news\/vols-nft-diminue-plus-30-juillet-selon-peckshield\/\"><strong><u>PeckShield<\/u><\/strong> <\/a>a indiqu&eacute; que la victime a perdu environ 24 millions de dollars en cryptomonnaies. Le hacker a ensuite converti ces jetons rETH et stETH contre 13&nbsp;785 $ d&rsquo;ETH et 1,64 millions de dollars en stablecoins DAI.<\/p><p>Une partie de ces DAI (451 000 $) a d&eacute;j&agrave; &eacute;t&eacute; transf&eacute;r&eacute;e vers <strong>FixedFloat<\/strong>, une plateforme d&rsquo;&eacute;change crypto automatis&eacute;e utilisant le r&eacute;seau Lightning. Il a ensuite d&eacute;plac&eacute; environ 78&nbsp;000&nbsp;$ de DAI suppl&eacute;mentaires vers des <i>mixers<\/i> (m&eacute;langeurs) et des exchanges centralis&eacute;s (CEX) : environ 77&nbsp;000&nbsp;$ de DAI ont &eacute;t&eacute; envoy&eacute;s &agrave; <strong>eXch<\/strong> et 1&nbsp;000&nbsp;$ DAI &agrave; <strong>OKX<\/strong>. ZoomerXBT a ensuite indiqu&eacute; que le hacker avait re&ccedil;u des bitcoins aux adresses ci-dessous.<\/p><figure class=\"image\"><img decoding=\"async\" src=\"https:\/\/cimg.co\/p\/no_image.svg\" alt=\"\" sizes=\"100vw\" width=\"1000\" class=\"content-img lazyload\" data-src=\"https:\/\/cimg.co\/news\/124436\/328491\/f5zxjatw4aa53td.jpeg\" data-srcset=\"https:\/\/cimg.co\/news\/124436\/328491\/responsive-images\/f5zxjatw4aa53td___media_library_original_1000_489.jpeg 1000w, https:\/\/cimg.co\/news\/124436\/328491\/responsive-images\/f5zxjatw4aa53td___media_library_original_900_440.jpeg 900w, https:\/\/cimg.co\/news\/124436\/328491\/responsive-images\/f5zxjatw4aa53td___media_library_original_720_352.jpeg 720w, https:\/\/cimg.co\/news\/124436\/328491\/responsive-images\/f5zxjatw4aa53td___media_library_original_600_293.jpeg 600w, https:\/\/cimg.co\/news\/124436\/328491\/responsive-images\/f5zxjatw4aa53td___media_library_original_300_147.jpeg 300w\"><figcaption>Source : ZoomerXBT, X<\/figcaption><\/figure><p>L&rsquo;identit&eacute; de la victime n&rsquo;a pas &eacute;t&eacute; d&eacute;voil&eacute;e. Cependant, l&rsquo;analyse on-chain a permis de d&eacute;terminer qu&rsquo;il s&rsquo;agit sans doute d&rsquo;<strong>un individu disposant d&rsquo;une exp&eacute;rience probante en mati&egrave;re de blockchain<\/strong>. Son portefeuille serait actif depuis 2017 sur la plateforme V3 d&rsquo;<strong>Uniswap<\/strong>.&nbsp;<\/p><p>En mars dernier, <strong>Kapersky<\/strong> avait r&eacute;v&eacute;l&eacute; que les attaques par hame&ccedil;onnage avaient pris de l&rsquo;ampleur dans le secteur crypto, avec une augmentation de pr&egrave;s de 40% sur une ann&eacute;e. La soci&eacute;t&eacute; de cybers&eacute;curit&eacute; a averti que les scammers font preuve de beaucoup d&rsquo;ing&eacute;niosit&eacute;, compte tenu de la m&eacute;fiance des utilisateurs face aux m&eacute;thodes traditionnelles (faux sites web, faux giveaway&hellip;).<\/p><p><i>Sources : <\/i><a href=\"https:\/\/twitter.com\/realScamSniffer?s=20\"><i><u>Scam Sniffer<\/u><\/i><\/a><i>, <\/i><a href=\"https:\/\/twitter.com\/PeckShieldAlert?s=20\"><i><u>PeckShield<\/u><\/i><\/a><i>, <\/i><a href=\"https:\/\/de.fi\/blog\/erc-20-allowances-approvals-smart-contract-permissions\"><i><u>De.Fi<\/u><\/i><\/a><i>, <\/i><a href=\"https:\/\/www.theblock.co\/post\/249643\/individual-loses-24-million-in-likely-crypto-phishing-attack\" rel=\"nofollow\"><i><u>TheBlock<\/u><\/i><\/a><i>, <\/i><a href=\"https:\/\/www.kaspersky.com\/about\/press-releases\/2023_cryptocurrency-phishing-grows-by-40-percent-in-one-year\"><i><u>Kapersky<\/u><\/i><\/a><\/p>","protected":false},"excerpt":{"rendered":"<p>L&rsquo;analyse on-chain a montr&eacute; qu&rsquo;une baleine Ethereum a perdu pr&egrave;s de 24 millions de dollars en cryptomonnaies. La cause probable de cette perte est une attaque de type phishing (hame&ccedil;onnage). Les experts en s&eacute;curit&eacute; ont indiqu&eacute; qu&rsquo;il s&rsquo;agit probablement de la plus importante attaque de ce genre r&eacute;alis&eacute;e sur un portefeuille individuel depuis de nombreuses [&hellip;]<\/p>\n","protected":false},"author":35,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[7,1],"tags":[51,48],"editors":[2112],"sponsored_companies":[],"class_list":["post-107821","post","type-post","status-publish","format-standard","hentry","category-ethereum-news","category-news","tag-ethereum","tag-piratage","editors-crandria"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Perte de 24 millions de dollars d\u2019Ethereum (ETH) pour cet investisseur en quelques secondes<\/title>\n<meta name=\"description\" content=\"Cet incident 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