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Website Malware Infections

website-malware-infection-blog-category

Learn about the latest malware campaigns actively infecting websites, including malware removal and protection steps. Stay up to date with the latest infections against websites including CMS platforms like WordPress, Drupal, Magento, and Joomla. Read our posts about the most recent website hacks analyzed by our research and incident response teams.

WordPress Continues to Fall Victim to Carding Attacks

April 14, 2021Ben Martin

WordPress Continues to Fall Victim to Carding Attacks

Unsurprisingly, as WordPress continues to increase in popularity as an e-commerce platform, attackers continue to attempt to steal credit card information from unsuspecting clients. Currently, the WordPress plugin WooCommerce accounts for roughly a quarter of all online stores. Over recent years, attackers whose goal it is to fradulently obtain credit card information have mostly focused on…

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Server Side Data Exfiltration via Telegram API

March 18, 2021Cesar Anjos

Server Side Data Exfiltration via Telegram API

One of the themes commonly highlighted on this blog includes the many creative methods and techniques attackers employ to steal data from compromised websites. Credit card skimmers, credential and password…

Read More about Server Side Data Exfiltration via Telegram API

Magento 2 PHP Skimmer Saves To Image File

March 10, 2021Luke Leal

Magento 2 PHP Credit Card Skimmer Saves to JPG

Bad actors often leverage creative techniques to conceal malicious behaviour and harvest sensitive information from ecommerce websites. A recent investigation for a compromised Magento 2 website revealed a malicious injection…

Read More about Magento 2 PHP Credit Card Skimmer Saves to JPG

Backdoors in Malicious Plugins

February 2, 2021Denis Sinegubko

Whitespace Steganography Conceals Web Shell in PHP Malware

Last November, we wrote about how attackers are using JavaScript injections to load malicious code from legitimate CSS files. At first glance, these injections didn’t appear to contain anything except…

Read More about Whitespace Steganography Conceals Web Shell in PHP Malware

Phishing Campaign

January 26, 2021Luke Leal

Phishing & Malspam with Leaf PHPMailer

It’s common knowledge that attackers often use email as a delivery mechanism for their malicious activity — which can range from enticing victims to click a phishing URL or download…

Read More about Phishing & Malspam with Leaf PHPMailer

Phishing Campaign

January 14, 2021Luke Leal

Real-Time Phishing Kit Targets Brazilian Central Bank

We recently found an interesting phishing kit on a compromised website that has QR code capabilities, along with the ability to control the phishing page in real time. What our…

Read More about Real-Time Phishing Kit Targets Brazilian Central Bank

Troldesh Ransomware Dropper

January 12, 2021Luke Leal

Obfuscation Techniques in Ransomweb “Ransomware”

As vital assets for many business operations, websites and their hosting servers are often the target of ransomware attacks — and if they get taken offline, this can cause major…

Read More about Obfuscation Techniques in Ransomweb “Ransomware”

January 7, 2021Luke Leal

Evaluating Cookies to Hide Backdoors

Identifying website backdoors is not always an easy task. Since a backdoors primary function is to conceal itself while providing unauthorized access, they are often developed using a variety of…

Read More about Evaluating Cookies to Hide Backdoors

January 5, 2021Ben Martin

Bogus CSS Injection Leads to Stolen Credit Card Details

A client recently reported their customers were receiving antivirus warnings when trying to access and purchase products from a Magento ecommerce website. This is almost always a telltale sign that…

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December 29, 2020Mohit Jawanjal

SEO Spam Links in Nulled Plugins

It’s not unusual to see website owners running things on a budget. Choosing a safe and reliable hosting company, buying a nice domain name, boosting posts on social media, and…

Read More about SEO Spam Links in Nulled Plugins

Labs Note

December 10, 2020Krasimir Konov

Malware Dropper Takes Advantage of COVID-19 Pandemic

Since April, our team has been tracking the spread of a PHP malware dropper. It’s impacting unsuspecting victims who thought they were downloading a mapping software to monitor the spread…

Read More about Malware Dropper Takes Advantage of COVID-19 Pandemic

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