{"id":2490,"date":"2025-03-11T05:03:55","date_gmt":"2025-03-11T05:03:55","guid":{"rendered":"https:\/\/serisec.com\/index.php\/2025\/03\/11\/thousands-of-wordpress-websites-infected-with-malware-html\/"},"modified":"2025-03-11T05:03:55","modified_gmt":"2025-03-11T05:03:55","slug":"thousands-of-wordpress-websites-infected-with-malware-html","status":"publish","type":"post","link":"https:\/\/serisec.com\/index.php\/2025\/03\/11\/thousands-of-wordpress-websites-infected-with-malware-html\/","title":{"rendered":"Thousands of WordPress Websites Infected with Malware"},"content":{"rendered":"\n<div>Thousands of WordPress Websites Infected with Malware<\/div>\n<p> \t<BR><br \/>\n<BR><\/BR><br \/>\n    <!-- no image --><br \/>\n \t<BR><br \/>\n<BR><\/BR><\/p>\n<div>\n<p>The malware includes <a href=\"https:\/\/cside.dev\/blog\/thousands-of-websites-hit-by-four-backdoors-in-3rd-party-javascript-attack\">four separate backdoors<\/a>:<\/p>\n<blockquote>\n<p>Creating four backdoors facilitates the attackers having multiple points of re-entry should one be detected and removed. A unique case we haven\u2019t seen before. Which introduces another type of attack made possibly by abusing websites that don\u2019t monitor 3rd party dependencies in the browser of their users.<\/p>\n<\/blockquote>\n<p>The <a href=\"https:\/\/thehackernews.com\/2025\/03\/over-1000-wordpress-sites-infected-with.html?m=1\">four backdoors<\/a>:<\/p>\n<blockquote>\n<p>The functions of the four backdoors are explained below:<\/p>\n<ul>\n<li>Backdoor 1, which uploads and installs a fake plugin named \u201cUltra SEO Processor,\u201d which is then used to execute attacker-issued commands\n<\/li>\n<li>Backdoor 2, which injects malicious JavaScript into wp-config.php\n<\/li>\n<li>Backdoor 3, which adds an attacker-controlled SSH key to the ~\/.ssh\/authorized_keys file so as to allow persistent remote access to the machine\n<\/li>\n<li>Backdoor 4, which is designed to execute remote commands and fetches another payload from <a href=\"https:\/\/thehackernews.com\/2025\/01\/python-based-bots-exploiting-php.html\">gsocket[.]io<\/a> to likely open a reverse shell.<\/li>\n<\/ul>\n<\/blockquote>\n<\/div>\n<p> \t<BR><br \/>\n <BR><\/BR><br \/>\n    Bruce Schneier<br \/>\n \t<BR><br \/>\n<BR><\/BR><br \/>\n<a href=\"https:\/\/www.schneier.com\/blog\/archives\/2025\/03\/thousands-of-wordpress-websites-infected-with-malware.html\">Go to bruce schneier<\/a><br \/>\n \t<BR><br \/>\n <BR><\/BR><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Thousands of WordPress Websites Infected with Malware The malware includes four separate backdoors: Creating four backdoors facilitates the attackers having multiple points of re-entry should one be detected and removed. A unique case we haven\u2019t seen before. Which introduces another type of attack made possibly by abusing websites that don\u2019t monitor 3rd party dependencies in [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[646,57,258,1,912],"tags":[87],"class_list":["post-2490","post","type-post","status-publish","format-standard","hentry","category-backdoors","category-bruce-schneier","category-malware","category-uncategorized","category-web","tag-bruce-schneier"],"_links":{"self":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts\/2490"}],"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=2490"}],"version-history":[{"count":0,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/posts\/2490\/revisions"}],"wp:attachment":[{"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/media?parent=2490"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/categories?post=2490"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/serisec.com\/index.php\/wp-json\/wp\/v2\/tags?post=2490"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}