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Malicious package

bxiucnxcbPyPI

Malicious code in bxiucnxcb (PyPI) Remove it immediately and rotate any exposed credentials.

MAL-2026-3208
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
pip uninstall bxiucnxcb

What this malware does

During import, the package automatically downloads and executes code that first acts as an infostealer and then starts code acting as a RAT. It connects with a hardcoded C2 server and waits for commands, supporting e.g. executing remote commands, exfiltrating files, recording the screen, executing GUI actions through PyAutoGUI.

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

Campaign: 2026-04-process-support

Reasons (based on the campaign):

  • exfiltration-generic

  • The package contains code to execute remote commands (probably limited to a specific set) on the victim's machine.

  • rat

  • spyware-like

  • infostealer

  • persistence

  • exfiltration-browser-data

  • exfiltration-crypto

  • files-exfiltration

Malicious versions

1 flagged
0.1.0

Indicators of compromise (SHA-256)

69348bbcda91195c593d08f83577644a775b11d46fe4bea987a6445a83f34fd0
136aa3924314879404ede1d7153b71b042b3fa55468f0aa1c534e6a18b79e37c

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 bxiucnxcb (version 0.1.0). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging bxiucnxcb across your stack and pipelines.

  2. If you installed it — respond

    bxiucnxcb 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 bxiucnxcb 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 bxiucnxcb 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. bxiucnxcb on PyPI has been identified as a malicious package (version 0.1.0 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

2026-04-process-support

References

Credits

  • Kamil Mańkowski (kam193) · analyst

Detect & block this

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

bxiucnxcb (PyPI) malicious package — MAL-2026-3208 | O3 Security