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Malicious package

hraq4RubyGems

Advisory published Updated

hraq4 is a confirmed malicious RubyGems package (MAL-2026-7766) that executes malicious code on install (malicious version 0.0.1). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in hraq4 (RubyGems)

MAL-2026-7766
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall hraq4

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

73812adc86ee96f30dfce128baa8b2855742932658682cb20b364fa3f69395bd
a93632934c910070f8a7b70f9e8e7e7cd3e7af45ff7c4d70d89c802c414cf764

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for hraq4 (version 0.0.1).

  2. If you installed it — respond

    Remove hraq4 from your project and lockfile, then assume any secrets accessible to the build or runtime were exposed: rotate API keys, tokens, and credentials, and audit for unexpected outbound activity or persistence.

  3. Did it already run?

    If hraq4 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. hraq4 on RubyGems has been identified as a malicious package (version 0.0.1 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-02417RLUA-2026-08218

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks hraq4-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the malicious outbound activity and severs the channel.

Explore

hraq4 (RubyGems) malicious package — MAL-2026-7766 | O3 Security