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npm · Malicious package advisory

Malware

@wethenorth12/test-fresh

MAL-2026-12104

Malicious code in @wethenorth12/test-fresh (npm)

Details


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## Source: amazon-inspector (978a97770aada576052d6e62b4a5815fb8a186b1b30275860c0951f00f5b3f7c)
On require() of the package, index.js collects the machine hostname, OS username, package name, and a timestamp and sends them via HTTPS GET to a hardcoded Telegram Bot API endpoint (bot id 7231970337, chat_id 8969499041). A flag file (.tst) is written to the OS tmpdir to suppress repeat sends. The Telegram bot token is embedded in the source and serves as the exfiltration transport. Consumers that install and load the package leak host/user identifiers to an attacker-controlled Telegram chat with no opt-in.

Compromised versions (1)

  • 1.0.0

Any computer that installed or ran a compromised version should be considered fully compromised. Rotate every secret on that machine from a clean environment.