Recent discoveries of malicious browser extensions have revealed a new threat: polymorphic extensions that impersonate legitimate tools such as password managers and crypto wallets. These extensions initially masquerade as benign applications while accumulating data on user-installed extensions. They then morph their appearance to mimic trusted extensions, deceiving users into entering sensitive information. The issue affects major browsers like Chrome and Edge and exploits users’ reliance on recognizable icons, complicating efforts to distinguish between genuine applications and their malicious counterparts.
Malicious extensions can impersonate installed browser extensions like password managers and crypto wallets by mimicking their user interface, posing a significant security threat.
Polymorphic extensions exploit users' reliance on visual identity through icons, creating convincing attacks that deceive users into revealing sensitive information.
Attackers install fake extensions that initially function benignly, enabling them to identify other installed extensions and then morph to impersonate those trusted tools.
By temporarily disabling legitimate extensions and mimicking their appearance, these malicious polymorphic extensions increase the likelihood of users falling victim to phishing scams.
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