Tag Archives: google

PrestaShop GTAG Websocket Skimmer

During a recent investigation we uncovered another credit card skimmer leveraging a web socket connection to steal credit card details from an infected PrestaShop website. While PrestaShop is not the most popular eCommerce solution for online stores it is still in the top 10 most common ecommerce platforms in use on the web, and clocks […]

Decoding the Caesar Cipher Skimmer

Over the last several weeks we’ve observed an interesting new variation of “gtag” credit card skimming attack with a surprisingly high number of detections so far. As of the time of writing this article we have seen nearly 80 detections altogether in the first two weeks alone. Our research team and analysts have found this […]

Skimmers in Images & GitHub Repos

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, however, attackers chose to inject content into real .png files — both on compromised sites and in booby trapped Magento repos on GitHub. Googletagmanager.png Our […]

Mixed Content Warnings in Google Chrome

Migrating your website to HTTPS may seem like a simple task. Get the TLS/SSL certificate, install it on your web server, and you’re done. The real pain for large projects, however, is changing http:// resources to https://. These resources include images, videos, sounds, forms, scripts, and CSS files, along with any externally loaded third-party elements like […]

Magento Skimmers: From Atob to Alibaba

Last year we saw a fairly massive Magento malware campaign that injected credit card stealing code similar to this: It uses the JavaScript atob function to decode base64-encoded domain names and URL patterns. In the sample above, it’s hxxps://livegetpay[.]com/pay.js?v=2.2.9 and “onepage”, respectively. The campaign used a variety of different domain names and targeted all sorts […]

Fake Google Domains Used in Evasive Magento Skimmer

We were recently contacted by a Magento website owner who had been blacklisted and was experiencing McAfee SiteAdvisor “Dangerous Site” warnings. Our investigation revealed that the site had been infected with a credit card skimmer loading JavaScript from the malicious internationalized domain google-analytîcs[.]com (or xn--google-analytcs-xpb[.]com in ASCII): The malicious user purposely selected the domain name […]

Typo 3 Spam Infection

Here at Sucuri most of the malware that we deal with is on CMS platforms like: WordPress, Joomla, Drupal, Magento, and others. But every now and then we come across something a little different. Blackhat SEO Infection in Typo3 Just recently, I discovered a website using the Typo3 CMS that had been infected with a […]