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The WhiteCobra threat group has uploaded at least 24 malicious extensions to the Visual Studio Marketplace and Open VSX registry, targeting users of VSCode, Cursor, and Windsurf editors. These extensions impersonate legitimate projects and are designed to steal cryptocurrency wallets and credentials, with infections leading to deployment of LummaStealer on Windows and unknown malware on macOS. The campaign is ongoing, with WhiteCobra rapidly replacing removed extensions and leveraging manipulated download counts and reviews to appear trustworthy.
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