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Malicious package

wandshack1RubyGems

Advisory published Updated

wandshack1 is a confirmed malicious RubyGems package (MAL-2026-9274) that executes malicious code on install (malicious version 0.0.1). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in wandshack1 (RubyGems)

MAL-2026-9274
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall wandshack1

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

141339801c7a9813ca3c4aa3175c07d31843d5762f0cf9179c661229dfd158e4
7a5331df8a9f8d13dda07c1e9d1f0c761e4dc07322ffc42b8f3d4fba38989300

Detection & response playbook

Malicious package
  1. Find it

    Search your lockfiles and build artifacts for wandshack1 (version 0.0.1).

  2. If you installed it — respond

    Remove wandshack1 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 wandshack1 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. wandshack1 on RubyGems has been identified as a malicious package (version 0.0.1 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2026-03925RLUA-2026-09855

References

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks wandshack1-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.

Explore

wandshack1 (RubyGems) malicious package — MAL-2026-9274 | O3 Security