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Part of a larger attack: 2026-06-spaysrbdata published 9 malicious packages. See the full campaign →
Malicious package

minecraftmodesPyPI

Advisory published Updated

minecraftmodes is a confirmed malicious PyPI package (MAL-2026-15937) that steals credentials and exfiltrates sensitive data (malicious version 0.3.3). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in minecraftmodes (PyPI)

MAL-2026-15937
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
pip uninstall minecraftmodes

What this malware does

The package exfiltrates Roblox cookies from the victim machine.

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

Campaign: 2026-06-spaysrbdata

Reasons (based on the campaign):

  • infostealer

Malicious versions

1 flagged
0.3.3

Indicators of compromise (SHA-256)

2057275d7d6bc39e22d9147702d20b43fcabcab4e438821e823010937448eb6c
ac543392d8cd4ac629c80835be09b2507b266fe7e5ae8ea67f5a415171ee11c2

Detection & response playbook

Credential / info stealer
  1. Find it

    Search your lockfiles and build artifacts for minecraftmodes (version 0.3.3).

  2. If you installed it — respond

    minecraftmodes 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 minecraftmodes was installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.

Frequently asked questions

No. minecraftmodes on PyPI has been identified as a malicious package (version 0.3.3 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

2026-06-spaysrbdata

References

Credits

  • Kamil Mańkowski (kam193) · reporter

Detect & block this

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

Explore

minecraftmodes (PyPI) malicious package — MAL-2026-15937 | O3 Security