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Malicious package

pandas-dataPyPI

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

MAL-2026-3661
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
pip uninstall pandas-data

What this malware does

Package installs persistent malware acting as Rat, with the focus of stealing data and modifying copied cryptowallet addresses.

Category: MALICIOUS - The campaign has clearly malicious intent, like infostealers.

Campaign: 2026-05-py-requests

Reasons (based on the campaign):

  • rat

  • typosquatting

  • persistence

  • Downloads and executes a remote malicious script.

  • crypto-related

  • clipboard-modify

  • exfiltration-browser-data

  • exfiltration-crypto

  • infostealer

Malicious versions

1 flagged
0.0.38

Indicators of compromise (SHA-256)

34c3e3d51b95102fd72f00c2b6c4bce7e34a801326dfbe7557f2d4346ed37508

Detection & response playbook

Credential / info stealer
  1. Find it

    Scan your lockfiles (package-lock.json, pnpm-lock.yaml, yarn.lock, requirements.txt, poetry.lock, etc.) and build artifacts for pandas-data (version 0.0.38). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging pandas-data across your stack and pipelines.

  2. If you installed it — respond

    pandas-data is built to steal secrets, so assume every credential the build or runtime could read is compromised. Remove it from your project and lockfile, then rotate ALL exposed secrets — npm/registry tokens, cloud keys, CI/CD secrets, SSH keys, and any .env values — from a known-clean machine. Audit logs for unauthorized use of those credentials.

  3. Did it already run?

    If pandas-data 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 pandas-data 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. pandas-data on PyPI has been identified as a malicious package (version 0.0.38 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

2026-05-py-requests

References

Credits

  • Kamil Mańkowski (kam193) · reporter

Detect & block this

O3 blocks pandas-data-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the credential exfiltration and severs the channel.

pandas-data (PyPI) malicious package — MAL-2026-3661 | O3 Security