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Malicious package

prometheus_gcstatRubyGems

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

MAL-2025-192913
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall prometheus_gcstat

Malicious versions

5 flagged
0.0.9000.1.9000.900.01.9009002.0

Indicators of compromise (SHA-256)

b01ed7b6d0289ead98b36ebac0f63ad051355b7281e7c7588fc05aeb19b069dc

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 prometheus_gcstat (5 malicious versions). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging prometheus_gcstat across your stack and pipelines.

  2. If you installed it — respond

    Remove prometheus_gcstat 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 prometheus_gcstat 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 prometheus_gcstat 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. prometheus_gcstat on RubyGems has been identified as a malicious package (versions 0.0.900, 0.1.900, 0.900.0, 1.900, 9002.0 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2025-06623

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks prometheus_gcstat-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.

prometheus_gcstat (RubyGems) malicious package — MAL-2025-192913 | O3 Security