Web development teams are tasked with delivering feature-rich applications at lightning speeds. To help them, there are thousands of pre-built JavaScript libraries that they can integrate with little effort. Not always, however, are these libraries backed with hardened security measures to ensure the code they provide is not tampered with by malicious actors. This ultimately […]
Tag Archives: javascript
Malware Campaigns Sharing Network Resources: r00ts.ninja
We recently noticed an interesting example of network infrastructure resources being used over a period of time by more than one large scale malware campaign (e.g redirected traffic, cryptomining). This was discovered when reviewing sources of the various malicious domains used in a recent WordPress plugin exploit wave. Mass Infection of WordPress Websites The latest Easy […]
Fake Browser Updates Push Ransomware and Bank Malware
Recently we came across a malicious campaign injecting scripts that push fake browser updates onto site visitors. This is what a typical fake update request looks like: Users see a message box that says it’s an “Update Center” for your browser type (in my case it’s Firefox, but they also have such messages for Chrome, […]
Fake Browser Updates Push Ransomware and Bank Malware
Recently we came across a malicious campaign injecting scripts that push fake browser updates onto site visitors. This is what a typical fake update request looks like: Users see a message box that says it’s an “Update Center” for your browser type (in my case it’s Firefox, but they also have such messages for Chrome, […]
Google Analytics and Angular in Magento Credit Card Stealing Scripts
Over the last few months, we’ve noticed several credit card-stealing scripts that use variations of the Google Analytics name to make them look less suspicious and evade detection by website owners. The malicious code is obfuscated and injected into legitimate JS files, such as skin/frontend/default/theme122k/js/jquery.jscrollpane.min.js, js/meigee/jquery.min.js, and js/varien/js.js. The obfuscated code loads another script from […]
Google Analytics and Angular in Magento Credit Card Stealing Scripts
Over the last few months, we’ve noticed several credit card-stealing scripts that use variations of the Google Analytics name to make them look less suspicious and evade detection by website owners. The malicious code is obfuscated and injected into legitimate JS files, such as skin/frontend/default/theme122k/js/jquery.jscrollpane.min.js, js/meigee/jquery.min.js, and js/varien/js.js. The obfuscated code loads another script from […]
A Scam-Free Cyber Monday for Online Businesses
Every year we see an increase in website attacks during the holidays. While business owners see their sales go up due to promotional Black Friday and Cyber Monday campaigns, hackers are in the background working nonstop to create malicious, fraudulent websites as well as take advantage of legitimate ones. Main Cyber Monday Threats Phishing Pages One […]
Obfuscated JavaScript Cryptominer
During an incident response investigation, we detected an interesting piece of heavily obfuscated JavaScript malware. Once decoded, we found out that cryptominers were running on visitor’s computers when they accessed our customer’s website. We have previously discussed how cryptomining can happen in many covert ways. In this post, we will show you how a malicious code […]
Unsuccessfully Defaced Websites
Defaced websites are a type of hack that is easy to notice and a pain for website owners. Recently, we came across some defacement pages with a peculiar JavaScript injection included in the source code. What is a Defacement? Website defacement is a hack that often involves adding malicious images to the website homepage and […]
Cookie Consent Script Used to Distribute Malware
Most websites today use cookies. Since May 25th, 2018, all websites that do business in the European Union (EU) had to make some changes to be compliant with the EU General Data Protection Regulation (GDPR). Even though cookie usage is mentioned only once in GDPR, any organization utilizing them to track users’ browsing activity have […]
