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Malicious package

@hrmony/pladddform-codegennpm

@hrmony/pladddform-codegen is a confirmed malicious npm package (MAL-2026-17273) that steals credentials and exfiltrates sensitive data (malicious version 49.99.0). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in @hrmony/pladddform-codegen (npm)

MAL-2026-17273
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall @hrmony/pladddform-codegen

What this malware does

On module load, index.js unconditionally beacons to the hardcoded non-first-party endpoint https://hrnmn.dd.h4x.tv/save_instance_info_from_pkge_hrmony_pladddform-codegen and then performs three credential-harvest flows against the installer: (1) queries the AWS instance metadata service at 169.254.169.254 (IMDSv2), enumerates IAM role names, retrieves each role's security credentials, and collects the EC2 identity document, user-data, and network-interface metadata; (2) enumerates all process.env entries; (3) recursively reads /var/run/secrets/ (Kubernetes projected service-account tokens and mounted secrets). The collected data is POSTed to the same hardcoded attacker host. The package name is a typosquat of an @hrmony scoped package with an inflated version (49.99.0) consistent with a dependency-confusion attempt, and it declares an internal-looking sibling dependency @hrmony/kit-5. The exfiltration URL path embeds the package name, indicating a campaign-style beacon per lure.

Malicious versions

1 flagged
49.99.0

Indicators of compromise (SHA-256)

58f0706d7223f8a1ff87ac80c6e1e42af148214545e55acc865cce12fee7eec4

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 @hrmony/pladddform-codegen (version 49.99.0). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging @hrmony/pladddform-codegen across your stack and pipelines.

  2. If you installed it — respond

    @hrmony/pladddform-codegen 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 @hrmony/pladddform-codegen 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 @hrmony/pladddform-codegen 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. @hrmony/pladddform-codegen on npm has been identified as a malicious package (version 49.99.0 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

IN-MAL-2026-020650

References

Credits

  • Amazon Inspector · finder

Detect & block this

O3 blocks @hrmony/pladddform-codegen-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the credential exfiltration and severs the channel.

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