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Part of a larger attack: @douinfe published 10 malicious packages. See the full campaign →
Malicious package

@douinfe/semi-iconsnpm

@douinfe/semi-icons is a confirmed malicious npm package (MAL-2025-761) that executes malicious code on install (malicious version 9.3.5). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in @douinfe/semi-icons (npm)

MAL-2025-761
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall @douinfe/semi-icons

Malicious versions

1 flagged
9.3.5

Indicators of compromise (SHA-256)

5403bf2c77eb2225ae9b92428245854536020ec70928f751a997ff8a5ac0e1f4

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 @douinfe/semi-icons (version 9.3.5). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging @douinfe/semi-icons across your stack and pipelines.

  2. If you installed it — respond

    Remove @douinfe/semi-icons 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 @douinfe/semi-icons 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 @douinfe/semi-icons 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. @douinfe/semi-icons on npm has been identified as a malicious package (version 9.3.5 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2025-00007

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks @douinfe/semi-icons-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

@douinfe/semi-icons (npm) malicious package — MAL-2025-761 | O3 Security