New Widespread Extension Trojan Malware Campaign

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Executive Summary

Web browser extensions have grown from being just a niche piece of software into a full-on sub-economy of the Internet industry. Extensions are supported on most browsers, including Microsoft Edge and Google Chrome - both offer hundreds of thousands of extensions in the Chrome Web Store and Microsoft Edge Add-ons. With the rise in the popularity of extensions has come a rise in malicious extensions built by bad actors who have pinpointed this relatively new malware attack vector. This research article intends to highlight a specific ongoing threat and the larger issue: malicious web extensions.

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