malware-entry-mwspamph23

Description Malware used on a large scale SEO SPAM work:
http://blog.sucuri.net/2010/05/seo-spam-network-code-used-and-more.html
http://blog.sucuri.net/2010/05/seo-spam-network-details-of-wp-includes.html
http://blog.sucuri.net/2010/05/it-is-not-over-seo-spam-on-sites.html

It has a random name and is generally hidden at the top directory of a site (kip.php,
fwwkd.php, mrsk.php, .data.php, etc), inside the wp-content/uploads directory
(fonction.php, wp-links.php, etc) and inside a random directory on the wp-includes.

It is also at the wp-includes/index.php.

In some of the variations it loads the spam links from: http://dvc44ftgr.com/

Affecting: Any WordPress hacked during Feb/Mar/Apr/May 2010

Malware dump:

<br /> echo(base64_decode("JGs9MTQ4OyRtPWV4cGxvZGUoIjsiLCIyNTM7MjQyOzE4ODsyND..<br /> </code></pre></p> </div><!-- .entry-content --> <footer class="entry-footer wedocs-entry-footer"> <div class="wedocs-article-author" itemprop="author" itemscope itemtype="https://schema.org/Person"> <meta itemprop="name" content="Rodrigo Escobar" /> <meta itemprop="url" content="https://labs.sucuri.net/author/rodrigo-escobar/" /> </div> <meta itemprop="datePublished" content="2019-05-16T00:00:00+00:00"/> <time itemprop="dateModified" datetime=""></time> </footer> <nav class="wedocs-doc-nav wedocs-hide-print"><h3 class="assistive-text screen-reader-text">Doc navigation</h3><span class="nav-prev"><a href="https://labs.sucuri.net/signatures/sitecheck/malware-atob_fcc/">← malware.atob_fcc</a></span><span class="nav-next"><a href="https://labs.sucuri.net/signatures/sitecheck/malware-entry-mwspamp0/">malware-entry-mwspamp0 →</a></span></nav> </article><!-- #post-## --> </div><!-- .wedocs-single-content --> </div><!-- .wedocs-single-wrap --> </main><!-- .site-main --></div><!-- .content-area --> </div><!-- #content --> <footer id="n-footer"> <div id="mp-footer" class="container"> <div class="row"> <div class="c-lg-12"> <div class="row"> <div class="c-lg-3 c-md-3 px-50"> <div class="footer-products"> <div class="footer-heading"> <p>Products</p> </div> <div class="footer-menu"> <ul class="list-block list-unstyled"> <li class="list-block-item"><a class="mp-ft-prod-wf auto-track" data-gatrack="Button_Click, Footer_Website_Firewall" href="https://sucuri.net/website-firewall/">Website Firewall</a></li> <li class="list-block-item"><a class="mp-ft-prod-av auto-track" data-gatrack="Button_Click, Footer_Website_Antivirus" href="https://sucuri.net/website-security-platform/">Website Security Platform</a></li> <li class="list-block-item"><a class="mp-ft-prod-bp auto-track" data-gatrack="Button_Click, Footer_Website_Backups" href="https://sucuri.net/website-backups/">Website Backups</a></li> <li class="list-block-item"><a class="mp-ft-prod-wps auto-track" data-gatrack="Button_Click, Footer_WordPress_Security" href="https://sucuri.net/wordpress-security/">WordPress Security</a></li> <li class="list-block-item"><a class="mp-ft-prod-ent auto-track" data-gatrack="Button_Click, Footer_Enterprise_Services" href="https://sucuri.net/custom/enterprise/">Enterprise Services</a></li> <li class="list-block-item"><a class="mp-ft-prod-ent auto-track d-none" data-gatrack="Button_Click, Top_Nav_Referrals" href="https://sucuri.net/referral/">Referral Program</a></li> </ul> </div> </div> </div> <div class="c-lg-3 c-md-3 px-50"> <div class="footer-solutions"> <div class="footer-heading"> <p>Solutions</p> </div> <div class="footer-menu"> <ul class="list-block list-unstyled"> <li class="list-block-item"><a class="mp-ft-sol-ddos auto-track" data-gatrack="Button_Click, Footer_DDoS_Protection" href="https://sucuri.net/ddos-protection/">DDoS Protection</a></li> <li class="list-block-item"><a class="mp-ft-sol-scan auto-track" data-gatrack="Button_Click, Footer_Malware_Detection" href="https://sucuri.net/malware-detection-scanning/">Malware Detection</a></li> <li class="list-block-item"><a class="mp-ft-sol-removal auto-track" data-gatrack="Button_Click, Footer_Malware_Removal" href="https://sucuri.net/website-malware-removal/">Malware Removal</a></li> <li class="list-block-item"><a class="mp-ft-sol-prevent auto-track" data-gatrack="Button_Click, Footer_Malware_Prevention" href="https://sucuri.net/website-hack-protection/">Malware Prevention</a></li> <li class="list-block-item"><a class="mp-ft-sol-blacklist auto-track" data-gatrack="Button_Click, Footer_Blacklist-Removal" href="https://sucuri.net/website-security-platform/blocklist-removal-and-repair/">Blacklist Removal</a></li> </ul> </div> </div> </div> <div class="c-lg-3 c-md-3 px-50"> <div class="footer-support"> <div class="footer-heading"> <p>Support</p> </div> <div class="footer-menu"> <ul class="list-block list-unstyled"> <li class="list-block-item"><a class="mp-ft-sup-kb auto-track" data-gatrack="Button_Click, Footer_Knowledge_Base" href="https://docs.sucuri.net/">Knowledge Base</a></li> <li class="list-block-item"><a class="mp-ft-sup-sc auto-track" data-gatrack="Button_Click, Footer_Sitecheck" href="https://sitecheck.sucuri.net/">SiteCheck</a></li> <li class="list-block-item"><a class="mp-ft-sup-lab auto-track" data-gatrack="Button_Click, Footer_Research_Labs" href="https://labs.sucuri.net/">Research Labs</a></li> <li class="list-block-item"><a class="mp-ft-sup-rep auto-track" data-gatrack="Button_Click, Footer_Report_Abuse" href="https://abuse.sucuri.net/">Report Abuse</a></li> <li class="list-block-item"><a class="mp-ft-sup-stat auto-track" data-gatrack="Button_Click, Footer_Report_Status" href="https://status.sucuri.net/">Status Report</a></li> </ul> </div> </div> </div> <div class="c-lg-3 c-md-3 px-50"> <div class="footer-support"> <div class="footer-heading"> <p>Company</p> </div> <div class="footer-menu"> <ul class="list-block list-unstyled"> <li class="list-block-item"><a class="mp-ft-comp-about auto-track" data-gatrack="Button_Click, Footer_About" href="https://sucuri.net/company/">About Sucuri</a></li> <li class="list-block-item"><a class="mp-ft-comp-contact auto-track" data-gatrack="Button_Click, Footer_Website_Firewall" href="https://sucuri.net/company/contact-us/">Contact</a></li> <li class="list-block-item"><a class="mp-ft-sup-blog auto-track" data-gatrack="Button_Click, Footer_Blog" href="https://blog.sucuri.net/">Blog</a></li> <li class="list-block-item"><a class="mp-ft-comp-employment auto-track" data-gatrack="Button_Click, Footer_Employment" href="https://sucuri.net/referral/">Referral</a></li> <li class="list-block-item"><a class="mp-ft-comp-testimonials auto-track" data-gatrack="Button_Click, Footer_Testimonials" href="https://sucuri.net/customers/">Testimonials</a></li> </ul> </div> </div> </div> </div> </div> <div class="c-lg-12 footer-b"> <hr> <div class="d-flex"> <div class="sucuri-logo-wrapper sucuri-logo"> <a href="/" title="Sucuri Security" class="mp-sucuri-logo auto-track mt-0"></a> </div> <div class="row flex-column m-0"> <div class="pl-50"> <ul class="list-inline unstyled-list mb-0"> <li class="list-inline-item mr-5"><a class="mp-ft-copyright-terms auto-track" data-gatrack="Button_Click, Footer_Terms_Of_Use" href="https://sucuri.net/terms/">Terms of Use</a></li> <li class="list-inline-item mr-5"><a class="mp-ft-copyright-priv auto-track" data-gatrack="Button_Click, Footer_Privacy_Policy" href="https://sucuri.net/privacy/">Privacy Policy</a></li> <li class="list-inline-item mr-5"><a class="mp-ft-copyright-cook auto-track" data-gatrack="Button_Click, Footer_Cookie_Policy" href="https://sucuri.net/cookies/">Do Not Sell My Personal Information</a></li> <li class="list-inline-item mr-5"><a class="mp-ft-copyright-faq auto-track" data-gatrack="Button_Click, Footer_FAQ" href="https://sucuri.net/faq/">Frequently Asked Questions</a></li> </ul> </div> <div class="copyright pl-50"> <p>© 2024 GoDaddy Mediatemple, Inc., d/b/a Sucuri. All rights reserved.</p> </div> </div> </div> </div> </div> <!-- /.container --> </div> </footer> </div><!-- #page --> <script type='text/javascript' src='https://labs.sucuri.net/wp-content/plugins/wedocs/assets/js/anchor.min.js?ver=1.6.2' id='wedocs-anchorjs-js'></script> <script type='text/javascript' id='wedocs-scripts-js-extra'> /* <![CDATA[ */ var weDocs_Vars = {"ajaxurl":"https:\/\/labs.sucuri.net\/wp-admin\/admin-ajax.php","nonce":"de5e49ada2","style":"https:\/\/labs.sucuri.net\/wp-content\/plugins\/wedocs\/assets\/css\/print.css","powered":"\u00a9 Sucuri Labs, 2024. Powered by weDocs<br>https:\/\/labs.sucuri.net"}; /* ]]> */ </script> <script type='text/javascript' src='https://labs.sucuri.net/wp-content/plugins/wedocs/assets/js/frontend.js?ver=1701723111' id='wedocs-scripts-js'></script> <script type='text/javascript' src='https://labs.sucuri.net/wp-content/themes/sucurikb/js/navigation.js?ver=20151215' id='sucurikb-navigation-js'></script> <script type='text/javascript' src='https://labs.sucuri.net/wp-content/themes/sucurikb/js/skip-link-focus-fix.js?ver=20151215' id='sucurikb-skip-link-focus-fix-js'></script> <script type='text/javascript' src='https://labs.sucuri.net/wp-content/themes/sucurikb/js/foundation.min.js?ver=0.1' id='foundation-js-js'></script> <script type='text/javascript' src='https://labs.sucuri.net/wp-content/themes/sucurikb/js/custom.js?ver=0.1' id='sucuri-wp-custom-js-js'></script> <script id="module-flowchart"> (function($) { $(function() { if (typeof $.fn.flowChart !== "undefined") { if ($(".language-flow").length > 0) { $(".language-flow").parent("pre").attr("style", "text-align: center; background: none;"); $(".language-flow").addClass("flowchart").removeClass("language-flow"); $(".flowchart").flowChart(); } } }); })(jQuery); </script> <script id="module-prism-line-number"> (function($) { $(function() { $("code").each(function() { var parent_div = $(this).parent("pre"); var pre_css = $(this).attr("class"); if (typeof pre_css !== "undefined" && -1 !== pre_css.indexOf("language-")) { parent_div.addClass("line-numbers"); } }); }); })(jQuery); </script> </body> </html>