'imgdecode' npm Hides Shellcode Loader in Windows Addon — SkimNews

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- imgdecode npm package, uploaded September 30, 2026 by user 'malfexteste8,' conceals a shellcode loader inside a Windows native addon.
- The package belongs to a recently disclosed software supply chain attack campaign dubbed MALFEX, identified by cybersecurity researchers.
Why it matters: The MALFEX campaign hides Windows-specific shellcode inside a package distributed through the cross-platform npm registry, meaning any developer who installed 'imgdecode' on a Windows machine likely ran hidden payload code without realizing it — a reminder that native addons can quietly carry platform-targeted malware.
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