Tag Archives: Malware

When Spam Hides In Plain Sight

We recently worked on an interesting case where Casino spam was visible in the page source, but couldn’t be located in any of the usual database rows or site files. Sitecheck flagged this as well. Casino and gambling spam is one of the most common types of spam attackers use. They are hoping that victims […]

Hidden Backdoors Uncovered in WordPress Malware Investigation

At Sucuri, we often encounter cases where malware is deeply embedded in websites, hidden in files and scripts that can easily escape detection. In this article, we’ll walk you through a real-life incident where a customer contacted us about unusual behavior on their WordPress website. After a detailed investigation, we uncovered multiple backdoors allowing attackers […]

Malware Redirects WordPress Traffic to Harmful Sites

Recently, a customer approached us after noticing their website was redirecting visitors to a suspicious URL. They suspected their site had been compromised and sought assistance in identifying and resolving the issue. This prompted a deeper investigation into the infection and its behavior. What did we see? The website’s redirects were leading to hxxps://cdn1[.]massearchtraffic[.]top/sockets. Continue […]

Stealthy Credit Card Skimmer Targets WordPress Checkout Pages via Database Injection

Recently, we released an article where a credit card skimmer was targeting checkout pages on a Magento site. Now we’ve come across sophisticated credit card skimmer malware while investigating a compromised WordPress website. This credit card skimmer malware targeting WordPress websites silently injects malicious JavaScript into database entries to steal sensitive payment details. The malware […]

Malicious Script Injection on WordPress Sites

Recently, our team discovered a JavaScript-based malware affecting WordPress sites, primarily targeting those using the Hello Elementor theme. This type of malware is commonly embedded within legitimate-looking website files to load scripts from an external source. The malware injects a malicious external script into the theme’s header.php file, leading to harmful consequences for site owners […]

Credit Card Skimmer Malware Targeting Magento Checkout Pages

Magento websites are a frequent target for cybercriminals due to their widespread usage in eCommerce and the valuable customer data they handle. During a routine investigation, we discovered a malicious JavaScript injection targeting Magento websites. This malware dynamically creates a fake credit card form or extracts payment fields directly depending on the variant of the […]

Simple Include Statement Hides Casino Spam

Just as there are countless types of websites on the internet, there are just as many attackers seeking to exploit them. These attackers develop malicious code that continuously evolves, constantly finding new ways to harm their next target. Sometimes, threat actors rely on heavy obfuscation to conceal their malicious code, while others use stealthier methods […]

PHP Reinfector and Backdoor Malware Target WordPress Sites

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 […]

Malware Steals Account Credentials

It’s common for malware to target e-commerce sites, and these attackers are usually seeking to steal credit card details. In most cases, they will insert scripts that extract data from the checkout forms to siphon fields like the cardholder name, card number and expiration date. Once they have that information, their job is done and […]

2024 Credit Card Theft Season Arrives

The holiday shopping season is just around the corner, and it’s the time of year the eCommerce website owners need to be most on their guard. Credit card stealing malware, commonly referred to as “MageCart”, is most rampant during the holiday shopping season. Attackers are always aiming to maximize their profits. As such, they know […]