Magecart Skimming Attack Targets Mobile Users of Hotel Chain Booking Websites


Trend Micro discovered a series of incidents where the credit card skimming attack Magecart was used to hit the booking websites of chain-brand hotels — the second time we’ve seen a Magecart threat actor directly hit ecommerce service providers instead of going for individual stores or third-party supply chains. Back in May, we discovered a new Magecart-using group called “Mirrorthief,” which compromised an ecommerce service provider used by American and Canadian universities.

In early September, we found two hotel websites (from different hotel chains) that were being injected with a JavaScript code to load a remote script on their payment page since August 9. When we first checked the script’s link, it downloaded a normal JavaScript code. However, we found that the same link could also download a different script when we requested it from mobile devices like Android or iOS phones. The downloaded script for mobile devices is a credit card skimmer which can steal the information entered on the hotel booking page and send it to a remote server.

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Source: Trend Micro