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

@mosfe/arender-vuenpm

@mosfe/arender-vue is a confirmed malicious npm package (MAL-2024-1770) that executes malicious code on install (malicious version 1.3.22). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in @mosfe/arender-vue (npm)

MAL-2024-1770
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall @mosfe/arender-vue

Malicious versions

1 flagged
1.3.22

Indicators of compromise (SHA-256)

0e4451ba08a8e7fc9bf9267d9f48bb5bae78e49e161700c74f3f59f18ab1f31d
20e7b71b222698b132927e7ca4b05346403699930b852c101e272aec53475e43
5369245114578ced42fea181f16cf01eb8e7aa58dde75ce1c173b15ee0663e9e

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 @mosfe/arender-vue (version 1.3.22). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging @mosfe/arender-vue across your stack and pipelines.

  2. If you installed it — respond

    Remove @mosfe/arender-vue 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 @mosfe/arender-vue 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 @mosfe/arender-vue 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. @mosfe/arender-vue on npm has been identified as a malicious package (version 1.3.22 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

RLMA-2024-00133RLUA-2024-05976

Credits

  • ReversingLabs · finder

Detect & block this

O3 blocks @mosfe/arender-vue-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

@mosfe/arender-vue (npm) malicious package — MAL-2024-1770 | O3 Security