{"id":12697,"date":"2026-05-08T06:07:25","date_gmt":"2026-05-08T06:07:25","guid":{"rendered":"https:\/\/serisec.com\/index.php\/2026\/05\/08\/donuts-and-beagles-fake-claude-site-spreads-backdoor\/"},"modified":"2026-05-08T06:07:25","modified_gmt":"2026-05-08T06:07:25","slug":"donuts-and-beagles-fake-claude-site-spreads-backdoor","status":"publish","type":"post","link":"https:\/\/serisec.com\/index.php\/2026\/05\/08\/donuts-and-beagles-fake-claude-site-spreads-backdoor\/","title":{"rendered":"Donuts and Beagles: Fake Claude site spreads backdoor"},"content":{"rendered":"<p>    Donuts and Beagles: Fake Claude site spreads backdoor<br \/>\n \t<BR><br \/>\n<BR><\/BR><br \/>\n    <!-- no image --><br \/>\n \t<BR><br \/>\n<BR><\/BR><\/p>\n<div>\n<p>&lt;p&gt;A malicious imitation of&amp;nbsp;Anthropic\u2019s&amp;nbsp;Claude&amp;nbsp;site leads to&amp;nbsp;DLL sideloading&amp;nbsp;\u2013 and&amp;nbsp;a backdoor&lt;\/p&gt;<\/p>\n<p><strong>Categories:<\/strong> Threat Research<\/p>\n<p><strong>Tags:<\/strong> Claude, Beagle, Backdoor, malvertising, AI, DONUT, DLL sideloading, Sophos X-Ops<\/p>\n<\/div>\n<p> \t<BR><br \/>\n <BR><\/BR><\/p>\n<p> \t<BR><br \/>\n<BR><\/BR><br \/>\n<a href=\"https:\/\/www.sophos.com\/en-us\/blog\/donuts-and-beagles-fake-claude-site-spreads-backdoor\">Go to sophos<\/a><br \/>\n \t<BR><br \/>\n <BR><\/BR><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Donuts and Beagles: Fake Claude site spreads backdoor &lt;p&gt;A malicious imitation of&amp;nbsp;Anthropic\u2019s&amp;nbsp;Claude&amp;nbsp;site leads to&amp;nbsp;DLL sideloading&amp;nbsp;\u2013 and&amp;nbsp;a backdoor&lt;\/p&gt; Categories: Threat Research Tags: Claude, Beagle, Backdoor, malvertising, AI, DONUT, DLL sideloading, Sophos X-Ops Go to sophos<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[58],"tags":[59],"class_list":["post-12697","post","type-post","status-publish","format-standard","hentry","category-sophos","tag-sophos"],"_links":{"self":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts\/12697"}],"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=12697"}],"version-history":[{"count":0,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts\/12697\/revisions"}],"wp:attachment":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/media?parent=12697"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/categories?post=12697"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/tags?post=12697"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}