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Malicious package

beaver-ui-paginationnpm

beaver-ui-pagination is a confirmed malicious npm package (MAL-2026-12820) that executes malicious code on install (malicious version 35.3.7). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in beaver-ui-pagination (npm)

MAL-2026-12820
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall beaver-ui-pagination

What this malware does

On require('beaver-ui-pagination'), index.js loads init.js which selects a platform key and downloads a binary from string-split-obfuscated hosts (oob-worker.cf99-9b3.workers.dev, oob-worker.cf100-416.workers.dev, oob-worker.cf101-adf.workers.dev) with a DNS TXT chunked-base64 fallback via *.dl.wel1.ru subdomains. The fetched binary is written to /var/tmp or %TEMP% under a disguised name (.cache<rnd> on POSIX, dotnet_diag_<rnd>.exe on Windows), chmod 0755 on POSIX, and spawned detached via /bin/sh -c or cmd.exe. Destination hostnames are assembled at runtime from array.join to evade static inspection, and env-var opt-outs (DISABLE_TELEMETRY/ANALYTICS_OPT_OUT/DO_NOT_TRACK) plus an 'analytics_state' marker file frame the behavior as telemetry despite the fetch-and-execute flow. A sibling lib/telemetry.js not currently reachable from index.js ships a second copy of the dropper primitives (dynamic require('child_'+'process'), base64-chunked buffer, chmodSync 0755, /bin/sh spawn of a filePath).

Malicious versions

1 flagged
35.3.7

Indicators of compromise (SHA-256)

2db8f562892f21caf2a12230c52507a333a5ada223f98964094838657072adcb

Detection & response playbook

Malicious package
  1. Find it

    Scan your lockfiles (package-lock.json, pnpm-lock.yaml, yarn.lock, requirements.txt, poetry.lock, etc.) and build artifacts for beaver-ui-pagination (version 35.3.7). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging beaver-ui-pagination across your stack and pipelines.

  2. If you installed it — respond

    Remove beaver-ui-pagination from your project and lockfile, then assume any secrets accessible to the build or runtime were exposed: rotate API keys, tokens, and credentials, and audit for unexpected outbound activity or persistence.

  3. Did it already run?

    If beaver-ui-pagination 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 beaver-ui-pagination 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. beaver-ui-pagination on npm has been identified as a malicious package (version 35.3.7 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

IN-MAL-2026-015559

References

Credits

  • Amazon Inspector · finder

Detect & block this

O3 blocks beaver-ui-pagination-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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