Recent NPM package hack is an alarming reminder of the risks of website supply-chain fraud

There are over 1.8 billion websites online today. Almost 98% of them are powered by JavaScript, and for a good reason: JavaScript’s flexibility and portability enable the rich online functionality we’ve all come to know and love. But when that same functionality becomes a significant vector for...

q-logger skimmer keeps Magecart attacks going

This blog post was authored by Jérôme Segura Although global e-commerce is continuing to grow rapidly, it seems as though Magecart attacks via digital skimmers have not followed the same trend. This is certainly true if we only look at recent newsworthy attacks; indeed when a victim is a large...

A week in security (Sept 13 – Sept 19)

Last week on Malwarebytes Labs Why backups aren’t a “silver bullet” against ransomware, with Matt Crape: Lock and Code S02E17 The many tentacles of Magecart Group 8 Apple releases emergency update: Patch, but don’t panic Update now! Google Chrome fixes two in-the-wild zero-days Parts of the Dark...

The many tentacles of Magecart Group 8

This blog post was authored by Jérôme Segura During the past couple of years online shopping has continued to increase at a rapid pace. In a recent survey done by Qubit, 70.7% of shoppers said they increased their online shopping frequency compared to before COVID-19. Criminals gravitate towards...

Brace yourselves: Holiday shopping season is coming

The E-commerce market has seen tremendous revenue growth during the pandemic. Along with that good news for E-business, there has been an increase in fraudulent activities online that may cost retailers over $20 billion in losses by the end of 2021. According to eMarketer, worldwide retail...

Magecart Hackers Hide Stolen Credit Card Data Into Images for Evasive Exfiltration

Cybercrime actors part of the Magecart group have latched on to a new technique of obfuscating the malware code within comment blocksBlockcomment and encoding stolen credit card data into images and other files hosted on the server, once again demonstrating how the attackers are continuously...

A week in security (June 28 – July 4)

Last week on Malwarebytes Labs: Is it Game Over for VR Advergaming? Lil’ skimmer, the Magecart impersonator What is the WireGuard VPN protocol? Binance receives the ban hammer from UK’s FCA Fired by algorithm: The future’s here and it’s a robot wearing a white collar Second colossal Linkedin...

Lil’ skimmer, the Magecart impersonator

This blog post was authored by Jérôme Segura A very common practice among criminals consists of mimicking legitimate infrastructure when registering new domain names. This is very true for Magecart threat actors who love to impersonate Google, jQuery and many other popular brands. In this post we...

Magecart Goes Server-Side in Latest Tactics Changeup

Magecart Group 12, known for skimming payment information from online shoppers, was fingered for last September’s gonzo attack on more than 2,000 e-Commerce sites, and now researchers have issued a report explaining how they did it, detailing a new technical approach. The skimmers are still “very...

A week in security (May 10 – 16)

Last week on Malwarebytes Labs, we watched and reported on the Colonial Pipeline ransomware attack as developments of its story unfolded. This attack triggered the White House to refine a planned Executive Order on cybersecurity. We also profiled DarkSide, the ransomware responsible for the...

Magecart Hackers Now hide PHP-Based Backdoor In Website Favicons

Cybercrime groups are distributing malicious PHP web shells disguised as a favicon to maintain remote access to the compromised servers and inject JavaScript skimmers into online shopping platforms with an aim to steal financial information from their users. "These web shells known as Smilodon or...

Newly observed PHP-based skimmer shows ongoing Magecart Group 12 activity

This blog post was authored by Jérôme Segura Web skimming continues to be a real and impactful threat to online merchants and shoppers. The threat actors in this space greatly range in sophistication from amateurs all the way to nation state groups like Lazarus. In terms of security, many...

JavaScript Fraud: More Than Just Magecart and Skimming

The global pandemic has driven a sharp rise in online traffic that provides fertile ground for attackers to execute a growing number of more sophisticated client-side attacks. For example, Magecart-style attacks are used to steal sensitive information by skimming data either through a first-party...

Magecart Attackers Save Stolen Credit-Card Data in .JPG File

Magecart attackers have found a new way to hide their nefarious online activity by saving data they’ve skimmed from credit cards online in a .JPG file on a website they’ve injected with malicious code. Researchers at website security firm Sucuri discovered the elusive tactic recently during an...

Hackers Now Hiding ObliqueRAT Payload in Images to Evade Detection

Cybercriminals are now deploying remote access Trojans RATs under the guise of seemingly innocuous images hosted on infected websites, once again highlighting how threat actors quickly change tactics when their attack methods are discovered and exposed publicly. New research released by Cisco Tal...

Magento Web Skimmers Piggyback in Ongoing Costway Website Compromise

Two web skimmers have been discovered on the payment webpages of Costway, one of the top retailers in North America and Europe, which sells appliances, furniture and more. The skimmers are targeting consumers’ credit-card payment details. In a twist, researchers say one of these web skimmers is...

How Page Integrity Manager Detects Real-World Magecart Attacks

Written by Ziv Eli - Engineering Manager, Security and Maor Hod - Senior Product Manager, Security In this blog, we will take a look at and break down a recent Magecart attack detected and mitigated by Page Integrity Manager. The impacted customer operates a large international e-commerce busines...

How Client-Side Protection & Compliance Detects Real-World Magecart Attacks

In this blog, we will take a look at and break down a recent Magecart attack detected and mitigated by Client-Side Protection & Compliance. The impacted customer operates a large international e-commerce business in which one of its websites was compromised with a malicious script...

Magecart Attack Convincingly Hijacks PayPal Transactions at Checkout

Just in time for a busy online holiday shopping season, the Magecart gang has come up with a new credit-card skimming technique for hijacking PayPal transactions during checkout. A security researcher who identifies himself as Affable Kraut discovered the technique, which uses...

ThreatList: Cyber Monday Looms – But Shoppers Oblivious to Top Retail Threats

Despite being concerned about the security risks behind online shopping, consumers lack knowledge about some of the biggest retail risks – with more than half unaware of digital credit-card skimming threats posed by the Magecart group. In a new report this week, RiskIQ found that a full 64 percen...