Tag Archives: WordPress Security

WordPress Sites Leveraged in Layer 7 DDoS Campaigns

We first disclosed that the WordPress pingback method was being misused to perform massive layer 7 Distributed Denial of Service (DDoS) attacks back on March 2014. The problem, as previously described,was that any WordPress website with the pingback feature enabled (which is on by default) could be used to attack the availability of other websites. The attacks wouldRead […]

Seo-moz.com SEO Spam Campaign

Here at Sucuri we handle countless cases of SEO spam. This malware involves a website being compromised in order to spread (mostly pharmaceutical) advertisements by linking visitors to unwanted websites and stuffing spam keywords into the site. These links and keywords help the spam websites to rank higher in search engines like Google, sending evenRead […]

Server Security: Import WordPress Events to OSSEC

We leverage OSSEC extensively to help monitor and protect our servers. If you are not familiar with OSSEC, it is an open source Intrusion Detection System (HIDS); it has a powerful correlation and analysis engine that integrates log analysis, file integrity monitoring, centralized policy enforcement, rootkit detection, real-time alerting, and active response. It provides complete coverageRead […]

Massive Admedia/Adverting iFrame Infection

This past weekend we registered a spike in WordPress infections where hackers injected encrypted code at the end of all legitimate .js files. The distinguishing features of this malware are: 32 hex digit comments at the beginning and end of the malicious code. E.g. /*e8def60c62ec31519121bfdb43fa078f*/ This comment is unique on every infected site. Most likely an MD5Read […]

Malicious Pastebin Replacement for jQuery

Website hackers are always changing tactics and borrowing ideas from each other. One of the challenges of website security is staying on top of those threats as they evolve. We wrote in the past about fake jQuery scripts and how hackers use Pastebin.com to host malware. This time, we will show you an attack thatRead […]

Using WPScan: Finding WordPress Vulnerabilities

When using WPScan you can scan your WordPress website for known vulnerabilities within the core version, plugins, and themes. You can also find out if any weak passwords, users, and security configuration issues are present. The database at wpvulndb.com is used to check for vulnerable software and the WPScan team maintains the ever-growing list ofRead […]

Website Malware – Evolution of Pseudo Darkleech

Last March we described a WordPress attack that was responsible for hidden iframe injections that resembled Darkleech injections: declarations of styles with random names and coordinates, iframes with No-IP host names, and random dimensions where the random parts changed on every page load. Back then, we identified that it was not a server-level infection. TheRead […]

5 Tips to Improve Your Social Media Ad Campaigns

Today, we are sharing some tips from Social Media Examiner on How to Improve your Social Media Ad Campaign. I hope it helps! 5 Tips to Improve Your Social Media Ad Campaigns Do you want more from your social media efforts? Are you ready to try ad targeting? Using the right tactics to deliver and […]

jQuery.min.php Malware Affects Thousands of Websites

Fake jQuery injections have been popular among hackers since jQuery itself went mainstream and became one of the most widely adopted JavaScript libraries. Every now and then we write about such attacks. Almost every week we see new fake jQuery domains and scripts that mimic jQuery. For example, one of the most prevalent malware infectionsRead […]

WPScan Intro: WordPress Vulnerability Scanner

Have you ever wanted to run security tests on your WordPress website to see if it could be easily hacked? WPScan is a black box vulnerability scanner for WordPress sponsored by Sucuri and maintained by the WPScan Team, available free for Linux and Mac users. If you use Windows, you can install a virtual machineRead […]