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Malicious package

sc-geeksquad-corenpm

sc-geeksquad-core is a confirmed malicious npm package (MAL-2026-12435) that steals credentials and exfiltrates sensitive data (malicious version 9999.0.0). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in sc-geeksquad-core (npm)

MAL-2026-12435
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall sc-geeksquad-core

What this malware does

[email protected] declares a preinstall script node callback.js that runs automatically on npm install. The script collects the installer's hostname (os.hostname()), OS username (os.userInfo().username), current working directory (process.cwd()), configured npm registry (npm_config_registry), and a set of CI repository-slug environment variables (GITHUB_REPOSITORY, CI_PROJECT_PATH, BUILD_REPOSITORY_NAME, BITBUCKET_REPO_FULL_NAME, TRAVIS_REPO_SLUG, DRONE_REPO, BUILDKITE_PIPELINE_SLUG, CIRCLE_PROJECT_REPONAME, JOB_NAME), then sends them via HTTP GET to the hardcoded bare-IP endpoint http://75.119.137.232:31337/depconfuse as query parameters. The placeholder version 9999.0.0 combined with a generic scoped-sounding name is the canonical dependency-confusion reconnaissance shape: the package is published to public npm to intercept internal-package name resolution and beacon back which private-namespace builds are vulnerable to substitution.

Malicious versions

1 flagged
9999.0.0

Indicators of compromise (SHA-256)

2fd2458d8a5843f57187868a2c244a376dd3d2daef420d3c564c775ef6a2782a

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 sc-geeksquad-core (version 9999.0.0). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging sc-geeksquad-core across your stack and pipelines.

  2. If you installed it — respond

    sc-geeksquad-core 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 sc-geeksquad-core 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 sc-geeksquad-core 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. sc-geeksquad-core on npm has been identified as a malicious package (version 9999.0.0 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

IN-MAL-2026-014891

References

Credits

  • Amazon Inspector · finder

Detect & block this

O3 blocks sc-geeksquad-core-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

sc-geeksquad-core (npm) malicious package — MAL-2026-12435 | O3 Security