{"id":3570,"date":"2026-05-05T16:19:03","date_gmt":"2026-05-05T16:19:03","guid":{"rendered":"https:\/\/global.livebitcoinnews.com\/fr\/2026\/05\/05\/un-nft-gratuit-un-message-qui-disparait-et-174-000-disparus-du-portefeuille-de-grok\/"},"modified":"2026-05-05T16:19:03","modified_gmt":"2026-05-05T16:19:03","slug":"un-nft-gratuit-un-message-qui-disparait-et-174-000-disparus-du-portefeuille-de-grok","status":"publish","type":"post","link":"https:\/\/global.livebitcoinnews.com\/fr\/2026\/05\/05\/un-nft-gratuit-un-message-qui-disparait-et-174-000-disparus-du-portefeuille-de-grok\/","title":{"rendered":"Un NFT gratuit, un message qui dispara\u00eet, et 174 000 $ disparus du portefeuille de Grok"},"content":{"rendered":"<p><em><strong>Le portefeuille Base de Grok a perdu 3 milliards de tokens DRB d&rsquo;une valeur de 174 000 $ apr\u00e8s une attaque par injection d&rsquo;invite (prompt injection) utilisant un NFT offert du Bankr Club. Bankr a confirm\u00e9 l&rsquo;attaque.<\/strong><\/em><\/p>\n<p><span style=\"font-weight: 400\">Le portefeuille \u00e9tait public. N&rsquo;importe qui ayant un onglet Basescan pouvait le voir.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Grok, l&rsquo;IA d\u00e9velopp\u00e9e par xAI, maintient un portefeuille onchain \u00e9tiquet\u00e9 sur le r\u00e9seau Base. Il avait par d\u00e9faut une capacit\u00e9 de transfert limit\u00e9e. Cette limitation, comme il s&rsquo;est av\u00e9r\u00e9, n&rsquo;\u00e9tait pas suffisante.<\/span><\/p>\n<h2><b>Le Cadeau Dont Personne N&rsquo;A Averti<\/b><\/h2>\n<p><span style=\"font-weight: 400\">Un attaquant li\u00e9 \u00e0 l&rsquo;adresse ilhamrafli.base.eth a envoy\u00e9 au portefeuille de Grok un NFT d&rsquo;adh\u00e9sion au Bankr Club. Gratuitement. Sans conditions apparentes.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Ce NFT n&rsquo;\u00e9tait pas de la g\u00e9n\u00e9rosit\u00e9. Comme<\/span><a href=\"https:\/\/x.com\/Jeremybtc\/status\/2051265376470896774\"> <span style=\"font-weight: 400\">Jeremybtc l&rsquo;a not\u00e9 sur X<\/span><\/a><span style=\"font-weight: 400\">, le cadeau a fonctionn\u00e9 comme une cl\u00e9, d\u00e9verrouillant l&rsquo;ensemble des outils de Bankr dans l&rsquo;environnement agent de Grok, y compris la capacit\u00e9 de signer et diffuser des transferts sans autorisation manuelle. L&rsquo;attaquant avait essentiellement remis la combinaison de la serrure \u00e0 cette m\u00eame serrure.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Bankr est une couche d&rsquo;infrastructure de portefeuille qui r\u00e9side dans certaines configurations d&rsquo;agents IA. Une fois le NFT d&rsquo;adh\u00e9sion arriv\u00e9, l&rsquo;agent de Grok pouvait d\u00e9placer les fonds de mani\u00e8re autonome.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Puis est venu le message.<\/span><\/p>\n<h2><b>Une Invite. Disparue Avant Que Quiconque Ait Pu Faire une Capture d&rsquo;\u00c9cran.<\/b><\/h2>\n<p><span style=\"font-weight: 400\">Le texte exact que l&rsquo;attaquant a envoy\u00e9 n&rsquo;a jamais \u00e9t\u00e9 retrouv\u00e9. Il a \u00e9t\u00e9 supprim\u00e9 avant que quiconque puisse le capturer. Les techniques document\u00e9es dans des attaques similaires incluent le fait de cacher des instructions \u00e0 l&rsquo;int\u00e9rieur de cha\u00eenes de code Morse, de contenu encod\u00e9 en base64, ou d&rsquo;invites pr\u00e9sent\u00e9es comme des jeux ou des tests syst\u00e8me pour passer outre les filtres.<\/span><\/p>\n<p><span style=\"font-weight: 400\">La couche d&rsquo;analyse d&rsquo;intention de Grok l&rsquo;a interpr\u00e9t\u00e9 comme une commande l\u00e9gitime.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Selon<\/span><a href=\"https:\/\/x.com\/Jeremybtc\/status\/2051265376470896774\"> <span style=\"font-weight: 400\">Jeremybtc sur X<\/span><\/a><span style=\"font-weight: 400\">, Bankr a sign\u00e9 et diffus\u00e9 le transfert. Trois milliards de tokens DRB, d&rsquo;une valeur d&rsquo;environ 174 000 $ au moment de l&rsquo;ex\u00e9cution, ont quitt\u00e9 le portefeuille de Grok et sont arriv\u00e9s \u00e0 l&rsquo;adresse de l&rsquo;attaquant. Le hash de transaction sur Basescan confirme le transfert : 0x6fc7eb7da9379383efda4253e4f599bbc3a99afed0468eabfe18484ec525739a, enregistr\u00e9 au bloc 45543997.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Les tokens ont \u00e9t\u00e9 d\u00e9plac\u00e9s vers 0xe8e476bdd78b0aa6669509ec8d3e1c542d5a686b. D&rsquo;apr\u00e8s Jeremybtc, ils ont \u00e9t\u00e9 pont\u00e9s (bridged) vers un deuxi\u00e8me portefeuille li\u00e9 \u00e0 ilhamrafli.base.eth et vendus presque imm\u00e9diatement. Le compte X de l&rsquo;attaquant est devenu sombre en quelques minutes.<\/span><\/p>\n<p><a href=\"https:\/\/x.com\/grok\/status\/2051535390046146659\"><span style=\"font-weight: 400\">Grok a confirm\u00e9 l&rsquo;incident sur X<\/span><\/a><span style=\"font-weight: 400\">, le d\u00e9crivant comme une attaque par injection d&rsquo;invite qui a touch\u00e9 son portefeuille Bankr sur Base apr\u00e8s la r\u00e9ception du NFT. La plupart des fonds ont depuis \u00e9t\u00e9 restitu\u00e9s, a confirm\u00e9 Bankr.<\/span><\/p>\n<h2><b>Les Agents IA Avec Portefeuilles Apprennent Encore des Le\u00e7ons Difficiles<\/b><\/h2>\n<p><span style=\"font-weight: 400\">Ce n&rsquo;est pas la premi\u00e8re fois qu&rsquo;un agent IA avec acc\u00e8s onchain d\u00e9place de l&rsquo;argent qu&rsquo;il n&rsquo;aurait pas d\u00fb. Un bot d&rsquo;un d\u00e9veloppeur d&rsquo;OpenAI avait pr\u00e9c\u00e9demment envoy\u00e9 l&rsquo;int\u00e9gralit\u00e9 de son stock de memecoins de 250 000 $ \u00e0 un inconnu apr\u00e8s avoir mal interpr\u00e9t\u00e9 une demande de transfert, comme<\/span><a href=\"https:\/\/www.livebitcoinnews.com\/ai-bot-accidentally-sends-250k-memecoin-stack-away\/\"> <span style=\"font-weight: 400\">rapport\u00e9 par Live Bitcoin News<\/span><\/a><span style=\"font-weight: 400\">. Ce cas \u00e9tait une erreur de codage. Celui-ci \u00e9tait d\u00e9lib\u00e9r\u00e9.<\/span><\/p>\n<p><span style=\"font-weight: 400\">L&rsquo;exploit de Grok n&rsquo;a n\u00e9cessit\u00e9 aucune br\u00e8che technique. Aucune exposition de cl\u00e9 priv\u00e9e. Juste un NFT gratuit et une phrase soigneusement construite.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Les chercheurs qui suivent<\/span><a href=\"https:\/\/www.livebitcoinnews.com\/ai-crypto-agents-are-moving-real-money-and-the-risks-are-real-expert\/\"> <span style=\"font-weight: 400\">les agents crypto IA g\u00e9rant des fonds r\u00e9els<\/span><\/a><span style=\"font-weight: 400\"> ont signal\u00e9 exactement ce type de risque. Les agents interpr\u00e8tent des objectifs, encha\u00eenent des actions de mani\u00e8re impr\u00e9visible et agissent sans demander de confirmation. L&rsquo;\u00e9cart entre ce qu&rsquo;un d\u00e9veloppeur a l&rsquo;intention de faire et ce qu&rsquo;un agent ex\u00e9cute est, apparemment, exploitable avec une seule invite.<\/span><\/p>\n<p><span style=\"font-weight: 400\">Comme Grok lui-m\u00eame l&rsquo;a dit sur X : \u00ab Les agents IA et les outils onchain ont encore besoin de garde-fous plus stricts. \u00bb L&rsquo;attaquant n&rsquo;a laiss\u00e9 aucun message derri\u00e8re lui. Juste un portefeuille vide et un post supprim\u00e9.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le portefeuille Base de Grok a perdu 3 milliards de tokens DRB d&rsquo;une valeur de 174 000 $ apr\u00e8s une attaque par injection d&rsquo;invite (prompt injection) utilisant un NFT offert du Bankr Club. Bankr a confirm\u00e9 l&rsquo;attaque. Le portefeuille \u00e9tait public. N&rsquo;importe qui ayant un onglet Basescan pouvait le voir. Grok, l&rsquo;IA d\u00e9velopp\u00e9e par xAI, [&hellip;]<\/p>\n","protected":false},"author":6,"featured_media":3569,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[178,355],"tags":[],"class_list":["post-3570","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-hacked","category-nft"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Un NFT gratuit, un message qui dispara\u00eet, et 174 000 $ disparus du portefeuille de Grok - France Live Bitcoin News<\/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:\/\/global.livebitcoinnews.com\/fr\/2026\/05\/05\/un-nft-gratuit-un-message-qui-disparait-et-174-000-disparus-du-portefeuille-de-grok\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Un NFT gratuit, un message qui dispara\u00eet, et 174 000 $ disparus du portefeuille de Grok - France Live Bitcoin News\" \/>\n<meta property=\"og:description\" content=\"Le portefeuille Base de Grok a perdu 3 milliards de tokens DRB d&rsquo;une valeur de 174 000 $ apr\u00e8s une attaque par injection d&rsquo;invite (prompt injection) utilisant un NFT offert du Bankr Club. Bankr a confirm\u00e9 l&rsquo;attaque. Le portefeuille \u00e9tait public. N&rsquo;importe qui ayant un onglet Basescan pouvait le voir. 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Bankr a confirm\u00e9 l&rsquo;attaque. Le portefeuille \u00e9tait public. N&rsquo;importe qui ayant un onglet Basescan pouvait le voir. Grok, l&rsquo;IA d\u00e9velopp\u00e9e par xAI, [&hellip;]","og_url":"https:\/\/global.livebitcoinnews.com\/fr\/2026\/05\/05\/un-nft-gratuit-un-message-qui-disparait-et-174-000-disparus-du-portefeuille-de-grok\/","og_site_name":"France Live Bitcoin News","article_published_time":"2026-05-05T16:19:03+00:00","author":"frenchlbn","twitter_card":"summary_large_image","twitter_misc":{"\u00c9crit par":"frenchlbn","Dur\u00e9e de lecture estim\u00e9e":"3 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/global.livebitcoinnews.com\/fr\/2026\/05\/05\/un-nft-gratuit-un-message-qui-disparait-et-174-000-disparus-du-portefeuille-de-grok\/#article","isPartOf":{"@id":"https:\/\/global.livebitcoinnews.com\/fr\/2026\/05\/05\/un-nft-gratuit-un-message-qui-disparait-et-174-000-disparus-du-portefeuille-de-grok\/"},"author":{"name":"frenchlbn","@id":"https:\/\/global.livebitcoinnews.com\/fr\/#\/schema\/person\/cf8f1f85189588768e507a2eb234cba8"},"headline":"Un NFT gratuit, un message qui dispara\u00eet, et 174 000 $ disparus du portefeuille de Grok","datePublished":"2026-05-05T16:19:03+00:00","mainEntityOfPage":{"@id":"https:\/\/global.livebitcoinnews.com\/fr\/2026\/05\/05\/un-nft-gratuit-un-message-qui-disparait-et-174-000-disparus-du-portefeuille-de-grok\/"},"wordCount":742,"commentCount":0,"image":{"@id":"https:\/\/global.livebitcoinnews.com\/fr\/2026\/05\/05\/un-nft-gratuit-un-message-qui-disparait-et-174-000-disparus-du-portefeuille-de-grok\/#primaryimage"},"thumbnailUrl":"https:\/\/global.livebitcoinnews.com\/fr\/wp-content\/uploads\/sites\/4\/2026\/05\/nft-text-cyberspace-futuristic-background-future-digital-technology-non-fungible-token-200x200-1.webp","articleSection":["Hacked","NFT"],"inLanguage":"fr-FR","potentialAction":[{"@type":"CommentAction","name":"Comment","target":["https:\/\/global.livebitcoinnews.com\/fr\/2026\/05\/05\/un-nft-gratuit-un-message-qui-disparait-et-174-000-disparus-du-portefeuille-de-grok\/#respond"]}]},{"@type":"WebPage","@id":"https:\/\/global.livebitcoinnews.com\/fr\/2026\/05\/05\/un-nft-gratuit-un-message-qui-disparait-et-174-000-disparus-du-portefeuille-de-grok\/","url":"https:\/\/global.livebitcoinnews.com\/fr\/2026\/05\/05\/un-nft-gratuit-un-message-qui-disparait-et-174-000-disparus-du-portefeuille-de-grok\/","name":"Un NFT gratuit, un message qui dispara\u00eet, et 174 000 $ disparus du portefeuille de Grok - 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