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Malicious package

epicgames-uinpm

Malicious code in epicgames-ui (npm) Remove it immediately and rotate any exposed credentials.

MAL-2025-190618
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall epicgames-ui

What this malware does

The package epicgames-ui was found to contain malicious code.

The OpenSSF Package Analysis project identified 'epicgames-ui' @ 291.8.0 (npm) as malicious.

It is considered malicious because:

  • The package communicates with a domain associated with malicious activity.

Malicious versions

1 flagged
291.8.0

Indicators of compromise (SHA-256)

3621f9844630b24d1526d039d2973fc0c7fc94bcd557eb5f8bf411b591c38728
2d81307de796f23d50ad12835bc127927e7afbc7c5e5d4fe4948f65ccd413cdd

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 epicgames-ui (version 291.8.0). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging epicgames-ui across your stack and pipelines.

  2. If you installed it — respond

    Remove epicgames-ui 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 epicgames-ui 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 epicgames-ui 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. epicgames-ui on npm has been identified as a malicious package (version 291.8.0 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Credits

  • Amazon Inspector · finder
  • OpenSSF: Package Analysis · finder

Detect & block this

O3 blocks epicgames-ui-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.

epicgames-ui (npm) malicious package — MAL-2025-190618 | O3 Security