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Malicious package

mn2adskhweoxnpm

mn2adskhweox is a confirmed malicious npm package (MAL-2026-15609) that typosquats a legitimate package to trick installs (malicious version 1.0.0). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in mn2adskhweox (npm)

MAL-2026-15609
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall mn2adskhweox

What this malware does

Published as part of a ClickFix-style fake-CAPTCHA phishing campaign documented by OX Security (see reference). The package's only file is index.html, declared as the npm "main" entry; package.json defines no preinstall/install/postinstall/prepare lifecycle script, so the payload does not execute at npm install time. index.html renders a fake Cloudflare Turnstile verification widget. An obfuscator.io-obfuscated inline script POSTs a hardcoded per-package "hostKey" to https://api.keyval.org/get, receives a base64-encoded IV:ciphertext pair, decrypts it client-side via the Web Crypto API (AES-CTR) using an embedded key to obtain a redirect URL, appends the visitor's original query-string parameters, and navigates the browser there via window.location.replace(). This "dead drop" design lets the operator change the phishing destination for every package sharing a hostKey without republishing to npm; OX Security observed keyval.org-served destinations including a typosquatted Microsoft login page and, at time of writing, a ChatGPT redirect. The package therefore does not attack the installing machine directly; it is used as a static file host on the npm CDN (e.g. unpkg/jsDelivr) so the index.html can be linked to and opened directly in a victim's browser as a phishing/ClickFix landing page. Published by npm user "johnvaldez9a" as part of a burst of near-identical single-purpose packages published between 2026-08-04 and 2026-08-24 that share this same fake-Turnstile-redirect page structure.

The package was found to contain malicious code or consuming dependency that contains malicious code

Malicious versions

1 flagged
1.0.0

Indicators of compromise (SHA-256)

32c68fcb2799679abb673f84256009f845bec53cbe23dc411ceff244a589c525

Detection & response playbook

Typosquat
  1. Find it

    Scan your lockfiles (package-lock.json, pnpm-lock.yaml, yarn.lock, requirements.txt, poetry.lock, etc.) and build artifacts for mn2adskhweox (version 1.0.0). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging mn2adskhweox across your stack and pipelines.

  2. If you installed it — respond

    mn2adskhweox is a typosquat — you almost certainly intended a legitimately-named package. Remove mn2adskhweox, install the correct package, and rotate any secrets exposed during the install since post-install scripts may have already run.

  3. Did it already run?

    If mn2adskhweox was ever installed, its post-install/runtime payload may have already executed. O3's L7 egress monitoring and runtime eBPF sensors detect the credential exfiltration or command-and-control callback after install and block the malicious outbound channel, so you catch and contain the actual compromise — not just the presence of the package.

  4. How O3 protects you

    O3 blocks mn2adskhweox before install through its supply-chain scanner, and if it has already run, detects and severs the exfiltration or C2 callback at runtime through L7 egress monitoring and eBPF.

Frequently asked questions

No. mn2adskhweox on npm has been identified as a malicious package (version 1.0.0 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

IN-MAL-2026-019263

References

Credits

  • Amazon Inspector · finder
  • OX Security · finder

Detect & block this

O3 blocks mn2adskhweox-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the malicious outbound activity and severs the channel.

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