Website Security News
Conducting an external website scan for indicators of compromise is one of the easiest ways to identify security issues. While remote scanners may not provide as comprehensive of a scan as server-side scanners, they allow users to instantly identify malicious code and detect security issues…
Recently, Avast’s researchers Pavel Novák and Jan Rubín posted a detailed writeup about the “Parrot TDS” campaign involving more than 16,500 infected websites. Such massive infections don’t go unnoticed by…
Read More about Analysis of the Massive NDSW/NDSX Malware Campaign
Our lead security analyst Liam Smith recently worked on an infected X-Cart website and found two interesting credit card stealers there — one skimmer located server-side, the other client-side. X-Cart’s…
Malicious redirect is a type of hack where website visitors are automatically redirected to some third-party website: usually it’s some malicious resource, scam site or a commercial site that buys…
Read More about WordPress Redirect Hack via Test0.com/Default7.com
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
During a routine investigation, we found yet another web skimmer that pretends to be related to Sucuri. One of our Remediation Analysts, Liam Smith, found the following code injected into…
Read More about Another Credit Card Stealer That Pretends to Be Sucuri
This summer, MalwareBytes researcher Jérôme Segura wrote an article about how criminals use image files (.ico) to hide JavaScript credit card stealers on compromised e-commerce sites. In a tweet, Affable…
Read More about CSS-JS Steganography in Fake Flash Player Update Malware
MalwareBytes recently shared some information about web skimmers that store malicious code inside real .ico files. During a routine investigation, we detected a similar issue. Instead of targeting .ico files,…
It’s a well-known fact that website backups are important for mitigating a plethora of site issues. They can help restore a site after a compromise or even facilitate the investigative…
The most common type of Magento credit card stealing malware is client-side JavaScript that grabs data entered in a checkout form and sends it to a third-party server controlled by…
Read More about Evasion Tactics in Hybrid Credit Card Skimmers
This note is a follow up to our recent post about a web skimmer that uses a dynamic domain name generating algorithm. This week, analyst Ben Martin found another variation…
Read More about Web Skimmer With a Domain Name Generator – Follow Up
