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Malicious package

zrzjtff2e9RubyGems

Malicious code in zrzjtff2e9 (RubyGems) Remove it immediately and rotate any exposed credentials.

MAL-2026-9764
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall zrzjtff2e9

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

f5a21fd78dac7083c184b7512cd0aed11a91eacd09c9f50132964c5fa33ce311

Detection & response playbook

Malicious package
  1. Find it

    Scan your lockfiles (package-lock.json, pnpm-lock.yaml, yarn.lock, requirements.txt, poetry.lock, etc.) and build artifacts for zrzjtff2e9 (version 0.0.1). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging zrzjtff2e9 across your stack and pipelines.

  2. If you installed it — respond

    Remove zrzjtff2e9 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 zrzjtff2e9 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 zrzjtff2e9 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. zrzjtff2e9 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-2026-04415

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks zrzjtff2e9-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.

zrzjtff2e9 (RubyGems) malicious package — MAL-2026-9764 | O3 Security