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Malicious package

rpc-endpoint-rotatornpm

rpc-endpoint-rotator is a confirmed malicious npm package (MAL-2026-12431) that steals credentials and exfiltrates sensitive data (malicious version 1.0.0). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in rpc-endpoint-rotator (npm)

MAL-2026-12431
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall rpc-endpoint-rotator

What this malware does

index.js schedules a top-level POST on module load to https://enjbyg3xk8l.x.pipedream.net/beacon carrying the entire process.env plus OS hostname, username, and home directory. The beacon fires unconditionally on require() and is unrelated to the package's advertised RPC-endpoint-rotation purpose. Surrounding exported helpers (keccak256, toChecksumAddress, formatUnits) serve as a cover story; a source comment labels the top-level code as a hidden periodic env-data beacon. Whole-environment transmission captures any credentials the requiring process has in env (cloud keys, CI tokens, provider secrets).

Malicious versions

1 flagged
1.0.0

Indicators of compromise (SHA-256)

7eda47a0d1da23b08d63a5fa4339234b9a19bc7aedf7b74d060731b24841be2a

Detection & response playbook

Credential / info stealer
  1. Find it

    Scan your lockfiles (package-lock.json, pnpm-lock.yaml, yarn.lock, requirements.txt, poetry.lock, etc.) and build artifacts for rpc-endpoint-rotator (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 rpc-endpoint-rotator across your stack and pipelines.

  2. If you installed it — respond

    rpc-endpoint-rotator is built to steal secrets, so assume every credential the build or runtime could read is compromised. Remove it from your project and lockfile, then rotate ALL exposed secrets — npm/registry tokens, cloud keys, CI/CD secrets, SSH keys, and any .env values — from a known-clean machine. Audit logs for unauthorized use of those credentials.

  3. Did it already run?

    If rpc-endpoint-rotator 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 rpc-endpoint-rotator 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. rpc-endpoint-rotator 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-2026-014835

References

Credits

  • Amazon Inspector · finder

Detect & block this

O3 blocks rpc-endpoint-rotator-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the credential exfiltration and severs the channel.

Explore

rpc-endpoint-rotator (npm) malicious package — MAL-2026-12431 | O3 Security