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Threats Tagged 'mal-2026-10177'

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Threats Tagged 'mal-2026-10177'

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MAL-2026-10177: Malicious code in @jaymara/jsononifier (npm)
0

@jaymara/jsononifier versions 1.0.0, 1.0.1, and 1.0.2 contain malicious code that executes a covert command on Windows systems when the package is required. The package masquerades as a JSON formatting utility but includes logic to detect sandbox environments and only triggers on real Windows workstations. It decodes an XOR-encoded payload and executes it via child_process.exec, currently demonstrated by launching calc.exe. This mechanism allows future versions to execute arbitrary commands without visible code changes.

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