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Malicious package

lbrssyjsxxubbrRubyGems

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

MAL-2026-7954
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall lbrssyjsxxubbr

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

cb3119756614930fa76c5ff834ca62f6dbadbd098895e3aec7cb14af4881a5d9

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 lbrssyjsxxubbr (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 lbrssyjsxxubbr across your stack and pipelines.

  2. If you installed it — respond

    Remove lbrssyjsxxubbr 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 lbrssyjsxxubbr 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 lbrssyjsxxubbr 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. lbrssyjsxxubbr 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-2026-02605

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks lbrssyjsxxubbr-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.

lbrssyjsxxubbr (RubyGems) malicious package — MAL-2026-7954 | O3 Security