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Malicious package

swd8405tRubyGems

Malicious code in swd8405t (RubyGems) Remove it immediately and rotate any exposed credentials.

MAL-2026-8935
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
gem uninstall swd8405t

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

8b82a55f5ad49eb89f931fe7db5aa24e4731a698fd4bbb043fd3d9fc6cf37d85

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 swd8405t (version 0.0.1). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging swd8405t across your stack and pipelines.

  2. If you installed it — respond

    Remove swd8405t 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 swd8405t 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 swd8405t 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. swd8405t 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-2026-03586

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks swd8405t-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.

swd8405t (RubyGems) malicious package — MAL-2026-8935 | O3 Security