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Malicious package

Stl.Generators.NetNuGet

Malicious code in Stl.Generators.Net (NuGet) Remove it immediately and rotate any exposed credentials.

MAL-2024-4659
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
remove Stl.Generators.Net

Malicious versions

2 flagged
6.5.86.5.9

Indicators of compromise (SHA-256)

baaa092d67c828b00cb46b79ede58fe6b122c057de365d1e0348bfb0d7a7854d
001a3ed23963b2d778d80e4cc730de744c5e53e48c599374baa7d1d7249fc615

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 Stl.Generators.Net (2 malicious versions). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging Stl.Generators.Net across your stack and pipelines.

  2. If you installed it — respond

    Remove Stl.Generators.Net 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 Stl.Generators.Net 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 Stl.Generators.Net 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. Stl.Generators.Net on NuGet has been identified as a malicious package (versions 6.5.8, 6.5.9 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2024-03450RLUA-2024-07733

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks Stl.Generators.Net-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.

Stl.Generators.Net (NuGet) malicious package — MAL-2024-4659 | O3 Security