MAL-2026-12177 Malicious code in devpack-conf (npm)

Malicious package Published
Package
devpack-conf
Registry
npm

What is MAL-2026-12177?

MAL-2026-12177 is a malicious package in devpack-conf, published on 5 Aug 2026.

Official description

[email protected] is a typosquat of pkg-conf. index.js contains a top-level eval(atob(…)) that decodes an obfuscated loader. The loader queries Ethereum RPC/blockscout endpoints for transactions from the hardcoded address 0xa322E5f3D311D3080e6f0121063e9aDC2490Ef1a, extracts an IPv4 address from the transaction's to field, fetches an XOR-encoded payload from http://<resolved-ip>:443/0x/cls and /0x/ls (XOR key delivered via the x-payload-b64 response header), eval()s the decrypted payload, and spawns a detached node -e &lt;payload&gt; child process with stdio:'ignore' and windowsHide:true. Sensitive strings (http, https, child_process, spawn, endpoint paths) are hidden behind \u unicode escapes. The malicious code executes automatically at require/import time on any consumer of the package.

What should I do about MAL-2026-12177?

Remove the package from your dependencies and lockfiles, then rotate any secrets on machines where it was installed.

Sources

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