We recently observed a surge in WordPress websites being infected by a sophisticated PHP reinfector and backdoor malware. While we initially believed that the infection was linked to the wpcode plugin, we found that several sites without this plugin were compromised as well. Upon deeper investigation, we discovered that this malware not only reinfects website […]
Tag Archives: Website Backdoor
New Variation of WordFence Evasion Malware
We recently came across an infected WordPress environment which contained a new variation of WordFence evasion malware using some sneaky tactics to conceal itself from view. The site administrator was reporting some issues with potential credit card theft malware on their website, but they had already removed that themselves by the time we arrived at […]
2023 Hacked Website & Malware Threat Report
Education is essential for defending your website against emerging threats. That’s why we are thrilled to share our 2023 Hacked Website & Malware Threat Report. Disseminating this information to the community helps educate website owners about the latest trends and threats. This year, we’ve included new insights to highlight the most prevalent tactics and techniques […]
JavaScript Malware Switches to Server-Side Redirects & DNS TXT Records as TDS
Last August we documented a malware campaign that was injecting malicious JavaScript code into compromised WordPress sites to redirect site visitors to VexTrio domains. The most interesting thing about that malware was how it used dynamic DNS TXT records of the tracker-cloud[.]com domain to obtain redirect URLs. We’ve been tracking this campaign ever since — […]
Analysis of the Fake WordPress CVE-2023-46182 Patch Plugin & Phishing Campaign
On December 1, 2023, several security researchers reported about a new phishing campaign targeting WordPress administrators. WordPress sites owners had started receiving emails from WordPress.com with the following message: “The WordPress Security Team has discovered a Remove Code Execution (RCE) vulnerability on your site, which allows attackers to execute malwares and steal your data, user […]
Tampered OpenCart Authentication Aids Credit Card Skimming Attack
Using out of date software is the leading cause of website compromise, so keeping your environment patched and up to date is one of the most important responsibilities of a website administrator. It’s not uncommon to employ the use of custom code on websites, and spend small fortunes on software developers to tailor their website […]
Balada Injector Targets Unpatched tagDiv Plugin, Newspaper Theme & WordPress Admins
In the middle of September 2023, vulnerability advisory resources disclosed the details of an Unauthenticated Stored XSS vulnerability in the tagDiv Composer (the companion plugin for the popular tagDiv premium themes Newspaper and Newsmag). Shortly after that, we started noticing new waves of Balada malware injections on websites that were actively using tagDiv themes. This […]
Remote Code Execution Backdoor Uses Unicode Obfuscation & Non-Standard File Extensions
Readers of this blog will know that attackers are constantly finding new ways to hide their malware and avoid detection; after all, that’s what good malware does best! We have recently observed attackers leveraging both excessive amounts of unicode as well as peculiar includes and file extensions within their WordPress backdoors to conceal their malware […]
Massive Abuse of an Abandoned Eval PHP WordPress Plugin
Attackers are always finding new and creative ways to compromise websites and maintain their foothold in environments. This is frequently done via the use of backdoors: PHP scripts designed to allow attackers access and control even after you’ve changed your passwords and thought that the worst was over. Since external scans are unable to see […]
Hacked Website Threat Report – 2022
Education is crucial in defending your website against emerging threats. That’s why we are thrilled to share our 2022 Website Threat Research Report. Disseminating this information to the community helps educate website owners about the latest trends and threats. This year, we’ve included new insights to highlight the most prevalent tactics and techniques observed in […]
