{"id":8157,"date":"2025-11-04T07:04:33","date_gmt":"2025-11-04T07:04:33","guid":{"rendered":"https:\/\/serisec.com\/index.php\/2025\/11\/04\/malicious-vsx-extension-sleepyduck-uses-html\/"},"modified":"2025-11-04T07:04:33","modified_gmt":"2025-11-04T07:04:33","slug":"malicious-vsx-extension-sleepyduck-uses-html","status":"publish","type":"post","link":"https:\/\/serisec.com\/index.php\/2025\/11\/04\/malicious-vsx-extension-sleepyduck-uses-html\/","title":{"rendered":"Malicious VSX Extension &#8220;SleepyDuck&#8221; Uses Ethereum to Keep Its Command Server Alive"},"content":{"rendered":"\n<div>Malicious VSX Extension &#8220;SleepyDuck&#8221; Uses Ethereum to Keep Its Command Server Alive<\/div>\n<p> \t<BR><br \/>\n<BR><\/BR><br \/>\n    <!-- no image --><br \/>\n \t<BR><br \/>\n<BR><\/BR><\/p>\n<div>Cybersecurity researchers have flagged a new malicious extension in the Open VSX registry that harbors a remote access trojan called SleepyDuck.<br \/>\nAccording to Secure Annex&#8217;s John Tuckner, the extension in question, juan-bianco.solidity-vlang (version 0.0.7), was first published on October 31, 2025, as a completely benign library that was subsequently updated to version 0.0.8 on November 1 to<\/div>\n<p> \t<BR><br \/>\n <BR><\/BR><\/p>\n<p> \t<BR><br \/>\n<BR><\/BR><br \/>\n<a href=\"https:\/\/thehackernews.com\/2025\/11\/malicious-vsx-extension-sleepyduck-uses.html\">Go to TheHackersNews<\/a><br \/>\n \t<BR><br \/>\n <BR><\/BR><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Malicious VSX Extension &#8220;SleepyDuck&#8221; Uses Ethereum to Keep Its Command Server Alive Cybersecurity researchers have flagged a new malicious extension in the Open VSX registry that harbors a remote access trojan called SleepyDuck. According to Secure Annex&#8217;s John Tuckner, the extension in question, juan-bianco.solidity-vlang (version 0.0.7), was first published on October 31, 2025, as a [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[60],"tags":[76],"class_list":["post-8157","post","type-post","status-publish","format-standard","hentry","category-thehackersnews","tag-thehackersnews"],"_links":{"self":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts\/8157"}],"collection":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/comments?post=8157"}],"version-history":[{"count":0,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts\/8157\/revisions"}],"wp:attachment":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/media?parent=8157"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/categories?post=8157"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/tags?post=8157"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}