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Malicious package

Sanka.UI.WinFormsNuGet

Malicious code in Sanka.UI.WinForms (NuGet) Remove it immediately and rotate any exposed credentials.

MAL-2024-4636
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
remove Sanka.UI.WinForms

Malicious versions

12 flagged
0.0.10.0.20.0.30.0.40.0.50.0.60.0.70.0.80.0.90.1.00.1.10.1.3

Indicators of compromise (SHA-256)

ef660652c56fc762df04ba1834b397b5d48858f707492a7d890c77e86eb42251

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 Sanka.UI.WinForms (12 malicious versions). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging Sanka.UI.WinForms across your stack and pipelines.

  2. If you installed it — respond

    Remove Sanka.UI.WinForms 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 Sanka.UI.WinForms 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 Sanka.UI.WinForms 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. Sanka.UI.WinForms on NuGet has been identified as a malicious package (versions 0.0.1, 0.0.2, 0.0.3, 0.0.4, 0.0.5, 0.0.6, 0.0.7, 0.0.8, and 4 more flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2024-03427

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks Sanka.UI.WinForms-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.

Sanka.UI.WinForms (NuGet) malicious package — MAL-2024-4636 | O3 Security