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Malicious package

dc-mobxnpm

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

MAL-2026-1083
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall dc-mobx

What this malware does

The package dc-mobx was found to contain malicious code.

Any computer that has this package installed or running should be considered fully compromised. All secrets and keys stored on that computer should be rotated immediately from a different computer. The package should be removed, but as full control of the computer may have been given to an outside entity, there is no guarantee that removing the package will remove all malicious software resulting from installing it.

The OpenSSF Package Analysis project identified 'dc-mobx' @ 1.0.0 (npm) as malicious.

It is considered malicious because:

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

Malicious versions

1 flagged
1.0.0

Indicators of compromise (SHA-256)

950c1b0bd40164b14455837bf8f943ef97fc88dd59eeba100a32e190a3038cf4
df9e2dd1e6518d1399b40b444e58b1df6e1b73c5b7537390ba5950221b7835c0
7ed4c54f4caa51eaa254af92038fe2e076f7dbe16e0067d481d9aa89925e3ec4

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 dc-mobx (version 1.0.0). O3 Security's supply-chain scanner checks every dependency against known-malicious package intelligence at install time and in CI, flagging dc-mobx across your stack and pipelines.

  2. If you installed it — respond

    Remove dc-mobx 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 dc-mobx 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 dc-mobx 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. dc-mobx on npm has been identified as a malicious package (version 1.0.0 flagged). It should be removed immediately — do not install or keep it in your dependency tree.

Campaign

GHSA-rm4v-p5gj-p92w

References

Credits

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

Detect & block this

O3 blocks dc-mobx-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.

dc-mobx (npm) malicious package — MAL-2026-1083 | O3 Security