{"id":14952,"date":"2025-11-14T11:00:25","date_gmt":"2025-11-14T11:00:25","guid":{"rendered":"https:\/\/icobench.com\/fr\/?p=14952"},"modified":"2025-11-14T10:33:42","modified_gmt":"2025-11-14T10:33:42","slug":"alerte-extension-malveillante-chrome-vol-seedphrase","status":"publish","type":"post","link":"https:\/\/icobench.com\/fr\/news\/alerte-extension-malveillante-chrome-vol-seedphrase\/","title":{"rendered":"Alerte : Une extension malveillante sur le Chrome Web Store vole les seedphrases des wallets Ethereum"},"content":{"rendered":"<p>Une menace majeure frappe les utilisateurs d\u2019Ethereum. Une extension disponible sur le <strong>Chrome Web Store<\/strong> a \u00e9t\u00e9 identifi\u00e9e comme un outil con\u00e7u pour voler directement les seed phrases. Elle imitait un wallet l\u00e9gitime pour pi\u00e9ger les victimes. D\u00e8s que l\u2019utilisateur importait son portefeuille, les attaquants r\u00e9cup\u00e9raient les informations sensibles et vidaient les fonds. Cette attaque montre encore une fois la rapidit\u00e9 avec laquelle \u00e9voluent les menaces dans l\u2019\u00e9cosyst\u00e8me crypto.<\/p>\n<h2><span id=\"une_extension_trompeuse_qui_ciblait_les_seed_phrases\">Une extension trompeuse qui ciblait les seed phrases<\/span><\/h2>\n<blockquote class=\"twitter-tweet\" data-width=\"550\" data-dnt=\"true\">\n<p lang=\"fr\" dir=\"ltr\">\u26a0\ufe0f\u274c Une extension malveillante nomm\u00e9e \u00ab\u00a0Safety\u00a0: Ethereum Wallet\u00a0\u00bb, class\u00e9e 4\u00e8me sur le Chrome Web Store, vole les seedphrases crypto via une back door.<\/p>\n<p>Attention avant d\u2019installer des extensions de wallet.<\/p>\n<p>Comme le souligne un rapport publi\u00e9 par Socket, l'extension est en\u2026 <a href=\"https:\/\/t.co\/OqWQ7Pki3d\" target=\"_blank\" rel=\"noopener noreferrer\">pic.twitter.com\/OqWQ7Pki3d<\/a><\/p>\n<p>\u2014 G\u00e9n\u00e9ration Crypto \u2601\ufe0f (@CryptoGeneOff) <a href=\"https:\/\/twitter.com\/CryptoGeneOff\/status\/1989249576327397604?ref_src=twsrc%5Etfw\" target=\"_blank\" rel=\"noopener noreferrer\">November 14, 2025<\/a><\/p><\/blockquote>\n<p><script async src=\"https:\/\/platform.twitter.com\/widgets.js\" charset=\"utf-8\"><\/script><\/p>\n<p>Les chercheurs en cybers\u00e9curit\u00e9 <a href=\"https:\/\/www.markets.com\/news\/malicious-ethereum-wallet-extension-chrome-store-2190-en\" target=\"_blank\" rel=\"noopener noreferrer\">ont d\u00e9couvert que l\u2019extension<\/a> injectait un script dans l\u2019interface du wallet. Gr\u00e2ce \u00e0 ce script, les criminels interceptaient chaque <strong>seed phrase<\/strong> au moment de sa saisie. Ensuite, ils transf\u00e9raient les fonds vers leurs propres adresses.<\/p>\n<p>L\u2019extension semblait pourtant l\u00e9gitime. Elle ne demandait aucune permission inhabituelle et n\u2019affichait aucun comportement suspect. Ainsi, elle pouvait rester install\u00e9e pendant plusieurs jours sans attirer l\u2019attention. <strong>Google l\u2019a finalement retir\u00e9e<\/strong>, mais plusieurs utilisateurs ont d\u00e9j\u00e0 signal\u00e9 des pertes importantes.<\/p>\n<p>Aujourd\u2019hui, les experts recommandent d\u2019agir vite. Toute personne ayant install\u00e9 r\u00e9cemment une extension Ethereum doit cr\u00e9er un <strong>nouveau portefeuille<\/strong>, puis transf\u00e9rer imm\u00e9diatement ses fonds vers une adresse s\u00e9curis\u00e9e. Cette pr\u00e9caution limite les risques de pertes suppl\u00e9mentaires.<\/p>\n<h2><span id=\"une_attaque_sophistiquee_et_de_plus_en_plus_repandue\">Une attaque sophistiqu\u00e9e et de plus en plus r\u00e9pandue<\/span><\/h2>\n<p>Cette affaire confirme une <strong>tendance inqui\u00e9tante<\/strong>. Les cybercriminels privil\u00e9gient d\u00e9sormais <a href=\"https:\/\/icobench.com\/fr\/news\/les-hacks-crypto-explosent-en-2025-best-wallet-propose-son-wallet-securise\/\" rel=\"\">l\u2019attaque des interfaces<\/a> plut\u00f4t que celles des blockchains. Ils visent les navigateurs, les extensions ou les applications mal s\u00e9curis\u00e9es. Ces points d\u2019entr\u00e9e restent plus faciles \u00e0 exploiter et permettent de voler directement les cl\u00e9s priv\u00e9es.<\/p>\n<p>De plus, les pirates utilisent des <strong>m\u00e9thodes discr\u00e8tes<\/strong>. Ils n\u2019affichent pas de fausses fen\u00eatres, ne modifient pas le comportement du navigateur et n\u2019ajoutent aucun fichier suspect. Cette strat\u00e9gie rend leur intrusion difficile \u00e0 rep\u00e9rer.<\/p>\n<p>Les analystes rappellent une r\u00e8gle essentielle : on ne saisit jamais une seed phrase sur une extension, m\u00eame pour restaurer un wallet. Cette op\u00e9ration doit toujours se faire via une <strong>application officielle et v\u00e9rifi\u00e9e<\/strong>. Gr\u00e2ce \u00e0 cette simple pr\u00e9caution, de nombreux utilisateurs peuvent \u00e9viter ce type d\u2019attaque.<\/p>\n<h2><span id=\"best_wallet_une_solution_plus_sure_avant_la_fin_de_la_prevente\">Best Wallet : une solution plus s\u00fbre avant la fin de la pr\u00e9vente<\/span><\/h2>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-14958 size-full\" src=\"https:\/\/icobench.com\/fr\/wp-content\/uploads\/sites\/5\/2025\/11\/Capture-decran-2025-11-14-113155.png\" alt=\"Alerte : Une extension malveillante sur le Chrome Web Store vole les seedphrases des wallets Ethereum\" width=\"1896\" height=\"909\" srcset=\"https:\/\/icobench.com\/fr\/wp-content\/uploads\/sites\/5\/2025\/11\/Capture-decran-2025-11-14-113155.png 1896w, https:\/\/icobench.com\/fr\/wp-content\/uploads\/sites\/5\/2025\/11\/Capture-decran-2025-11-14-113155-300x144.png 300w, https:\/\/icobench.com\/fr\/wp-content\/uploads\/sites\/5\/2025\/11\/Capture-decran-2025-11-14-113155-1024x491.png 1024w, https:\/\/icobench.com\/fr\/wp-content\/uploads\/sites\/5\/2025\/11\/Capture-decran-2025-11-14-113155-768x368.png 768w, https:\/\/icobench.com\/fr\/wp-content\/uploads\/sites\/5\/2025\/11\/Capture-decran-2025-11-14-113155-130x63.png 130w, https:\/\/icobench.com\/fr\/wp-content\/uploads\/sites\/5\/2025\/11\/Capture-decran-2025-11-14-113155-1536x736.png 1536w, https:\/\/icobench.com\/fr\/wp-content\/uploads\/sites\/5\/2025\/11\/Capture-decran-2025-11-14-113155-1568x752.png 1568w\" sizes=\"(max-width: 1896px) 100vw, 1896px\"><\/p>\n<p>Alors que les menaces se multiplient, des solutions plus robustes \u00e9mergent. <a href=\"https:\/\/icobench.com\/fr\/news\/best-wallet-le-portefeuille-qui-surpasse-metamask\/\" rel=\"\">Best Wallet<\/a> fait partie des projets qui renforcent la <strong>s\u00e9curit\u00e9 des utilisateurs<\/strong> gr\u00e2ce \u00e0 une infrastructure con\u00e7ue pour \u00e9viter les intrusions.<\/p>\n<p>Selon son whitepaper, le portefeuille repose sur un chiffrement avanc\u00e9, <strong>un syst\u00e8me multi-signature<\/strong> et des alertes en temps r\u00e9el. Gr\u00e2ce \u00e0 ces protections, il devient plus difficile pour un attaquant d\u2019acc\u00e9der aux fonds. De plus, <a href=\"https:\/\/icobench.com\/fr\/visit\/bestwallet\" target=\"_blank\" rel=\"noopener nofollow\">Best Wallet<\/a> propose une interface unique pour g\u00e9rer, stocker et \u00e9changer des actifs tout en respectant les normes internationales.<\/p>\n<p>L\u2019int\u00e9r\u00eat pour le projet augmente chaque semaine. La pr\u00e9vente se termine le 28 novembre, ce qui laisse peu de temps pour b\u00e9n\u00e9ficier du prix actuel avant son lancement officiel. Le projet a <a href=\"https:\/\/icobench.com\/fr\/news\/best-wallet-franchit-millions-dollars-avant-cloture-prevente\/\" rel=\"\">lev\u00e9 17 millions de dollars<\/a> jusqu\u2019ici. Beaucoup d\u2019utilisateurs voient cette p\u00e9riode comme une <strong>opportunit\u00e9<\/strong>, surtout apr\u00e8s la d\u00e9couverte de cette extension malveillante.<\/p>\n<div style=\"background: #00DBC1;margin: auto;width: 50%;text-align: center;padding: 8px;border-radius: 5px;background-image: linear-gradient(107deg,#00DBC1,#00E676);color: white;padding-left: 1em;padding-right: 1em;font-size: 16px\"><a style=\"text-decoration: none;color: white\" href=\"https:\/\/icobench.com\/fr\/visit\/bestwallet\" target=\"_blank\" rel=\"noopener nofollow\">Acheter Best Wallet<\/a><\/div>\n<p style=\"text-align: center\"><em>Les crypto-actifs repr\u00e9sentent un investissement risqu\u00e9.<\/em><\/p>\n<hr>\n<p class=\"disclaimer-rw\"><em>Cet article ne repr\u00e9sente en aucun cas un conseil en investissement. Les informations fournies ici ne doivent pas \u00eatre utilis\u00e9es comme base pour prendre des d\u00e9cisions financi\u00e8res. Les investissements en crypto-monnaie comportent des risques et peuvent entra\u00eener des pertes importantes. Il convient d\u2019investir uniquement ce que vous pouvez vous permettre de perdre et d\u2019effectuer vos propres recherches avant de prendre toute d\u00e9cision d\u2019investissement.<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Une menace majeure frappe les utilisateurs d\u2019Ethereum. Une extension disponible sur le Chrome Web Store a \u00e9t\u00e9 identifi\u00e9e comme&#8230;<\/p>\n","protected":false},"author":245,"featured_media":14957,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[7],"tags":[],"class_list":["post-14952","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","entry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.8.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Alerte : Une extension malveillante sur le Chrome Web Store vole les seedphrases des wallets Ethereum<\/title>\n<meta name=\"description\" content=\"Une extension malveillante du Chrome Web Store a vol\u00e9 des seed phrases Ethereum. 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