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Malicious package

streak-metricsazbnpm

streak-metricsazb is a confirmed malicious npm package (MAL-2026-12002) 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 streak-metricsazb (npm)

MAL-2026-12002
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall streak-metricsazb

What this malware does

On import of the package's main entry, a top-level async IIFE in index.mjs (labelled 'ENGINE INITIALIZATION & CALIBRATION') copies the shipped file dist/cache.bin to os.tmpdir()/sm-engine-runtime/math-core.bin and spawns it via child_process.spawn. The dropped ELF is a full Linux implant containing a hardcoded C2 at 217.60.77.63, a SECURE_BEACON|...|REDSHELL beacon protocol, a remote-shell dispatcher invoking /bin/sh and /bin/bash on C2-supplied input, SOCKS5 proxy and TCP port-forwarding, staged payload execution via curl plus memfd/mktemp, and systemd --user persistence via svc-update.service. The implant exposes beacon commands /ssh_keys, /creds, /dbfind, /download, /upload, /dataextract, and /clipboard, and exfiltrates collected data through POST /api/extract-receive on the C2. The package advertises calendar and streak math primitives; the calibration/JIT wording in the surrounding comments is a cover story contradicted by the binary's contents.

Malicious versions

1 flagged
1.0.0

Indicators of compromise (SHA-256)

bc4ea1b382140e833e01605ec5278b7a9a877aaaddd96ea9057efef2560b66b2

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 streak-metricsazb (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 streak-metricsazb across your stack and pipelines.

  2. If you installed it — respond

    streak-metricsazb 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 streak-metricsazb 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 streak-metricsazb 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. streak-metricsazb 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-2026-011371

References

Credits

  • Amazon Inspector · finder

Detect & block this

O3 blocks streak-metricsazb-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

streak-metricsazb (npm) malicious package — MAL-2026-12002 | O3 Security