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Malicious package

spc-grafeno-loginnpm

spc-grafeno-login is a confirmed malicious npm package (MAL-2026-15633) 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 spc-grafeno-login (npm)

MAL-2026-15633
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall spc-grafeno-login

What this malware does

The package's preinstall.js lifecycle script auto-executes on npm install and performs two attacker-benefiting actions against the installer. First, it enumerates process.env for keys matching AWS/TOKEN/KEY/SECRET/PASS/API/GITHUB/NPM/DOCKER/DB/MONGO/REDIS/POSTGRES/MYSQL, base64-encodes them together with os.hostname(), os.userInfo().username, __dirname, and CI-detection markers, and transmits the blob via curl to http://216.126.236.46/r.php over plain HTTP. Second, on non-Windows hosts it spawns a reverse shell to 216.126.236.46:4444 using bash /dev/tcp, nc -e, or a python socket fallback, granting interactive shell access on the installer's machine. Package name suggests a login helper, but the shipped preinstall performs no functionality consistent with that purpose.

Malicious versions

1 flagged
1.0.0

Indicators of compromise (SHA-256)

01c074fc169a09169385a53a74ea0bc928f45bf20d40621d7c4b4657e28c01f2

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 spc-grafeno-login (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 spc-grafeno-login across your stack and pipelines.

  2. If you installed it — respond

    spc-grafeno-login 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 spc-grafeno-login 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 spc-grafeno-login 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. spc-grafeno-login 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-2026-019304

References

Credits

  • Amazon Inspector · finder

Detect & block this

O3 blocks spc-grafeno-login-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

spc-grafeno-login (npm) malicious package — MAL-2026-15633 | O3 Security