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Malicious package

veilcord-tlsPyPI

Malicious code in veilcord-tls (PyPI) Remove it immediately and rotate any exposed credentials.

MAL-2025-47458
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
pip uninstall veilcord-tls

What this malware does

This package decodes a payload and executes it whenever it is imported. It seems to be targeting veilcord package users. Its contents are almost identical to veilcord, except for the addition of the malicious payload.

Malicious versions

2 flagged
0.0.7.50.0.7.6

Indicators of compromise (SHA-256)

aed8328880d0c346cc1c0c9d51602617be4ea88a7a23878b68164484949555b2

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

  2. If you installed it — respond

    Remove veilcord-tls 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 veilcord-tls 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 veilcord-tls 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. veilcord-tls on PyPI has been identified as a malicious package (versions 0.0.7.5, 0.0.7.6 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Credits

  • Oracle using Macaron · finder

Detect & block this

O3 blocks veilcord-tls-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.

veilcord-tls (PyPI) malicious package — MAL-2025-47458 | O3 Security