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Malicious package

@hrmony/pladddform-testingnpm

Advisory published Updated

@hrmony/pladddform-testing is a confirmed malicious npm package (MAL-2026-17280) that steals credentials and exfiltrates sensitive data (malicious version 40.14.3). Do not install it — remove it immediately and rotate any exposed credentials.

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

MAL-2026-17280
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall @hrmony/pladddform-testing

What this malware does

On module import, index.js executes an unconditional exfiltration payload against the installer/runtime host. It queries the AWS EC2 Instance Metadata Service at http://169.254.169.254 using IMDSv2 to enumerate the instance identity document, user-data, IAM role names, and the per-role temporary security credentials. It also enumerates every entry of process.env and recursively reads all files under /var/run/secrets/ (the standard Kubernetes service-account and secret mount). The combined data is POSTed to the hardcoded attacker endpoint https://hrnmn.dd.h4x.tv/save_instance_info_from_pkge_hrmony_pladddform-testing, and a separate top-level fetch to the same host beacons successful execution. The package ships no legitimate functionality: its only substantive file is the exfil script, the description is empty, and the name (@hrmony/pladddform-testing) plus the exfil URL path segment (pkge_hrmony_pladddform-testing) match a typosquat/dependency-confusion shape targeting an internal or similarly named scope.

Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.

Malicious versions

1 flagged
40.14.3

Indicators of compromise (SHA-256)

607004ff93f1fcd5fbf7b1cf6b5e104b7f26eb699aee3dd4f8bbb33494f0b096
c92cc1e06fa8e7384e23ef90c47289ac2ca625479ac19014ed81fff94ff980bd

Detection & response playbook

Credential / info stealer
  1. Find it

    Search your lockfiles and build artifacts for @hrmony/pladddform-testing (version 40.14.3).

  2. If you installed it — respond

    @hrmony/pladddform-testing 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-testing was installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.

Frequently asked questions

No. @hrmony/pladddform-testing on npm has been identified as a malicious package (version 40.14.3 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

IN-MAL-2026-020643GHSA-wc37-mwww-8cwr

References

Credits

  • Amazon Inspector · finder

Detect & block this

O3 blocks @hrmony/pladddform-testing-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

@hrmony/pladddform-testing (npm) malicious package — MAL-2026-17280 | O3 Security