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Malicious package

exodus-firestore-synchronizenpm

Advisory published Updated

exodus-firestore-synchronize is a confirmed malicious npm package (MAL-2026-16533) that steals credentials and exfiltrates sensitive data (malicious version 0.0.1). Do not install it — remove it immediately and rotate any exposed credentials.

Malicious code in exodus-firestore-synchronize (npm)

MAL-2026-16533
Immediate action
Remove the package, then rotate any secrets the build/runtime could reach.
npm uninstall exodus-firestore-synchronize

What this malware does

package.json declares a postinstall hook that auto-runs on npm install and executes whoami and hostname, then enumerates process.env for keys matching /TOKEN|SECRET|KEY|AUTH|npm/i and prints the matches to stdout. The package name and description impersonate an internal 'Exodus Wallet SDK' and self-identify as a dependency-confusion demonstrator published to the public registry to intercept installers that misroute an internal package name to this public one. No outbound network sink is present in this version, so the enumerated environment values and host identifiers are written only to the install log rather than transmitted; however, on CI systems those install logs are frequently captured, archived, or exposed, and the enumeration itself targets credential-shaped environment variables.

Malicious versions

1 flagged
0.0.1

Indicators of compromise (SHA-256)

923f195911536ca0b104d559fe5ce4c4a3be249d7a4e2272ae1c1b29cf7d5099
210b71fe2403143719408cea9a34626d7788c9aaa87b3f5a1276a92bd5578ce6

Detection & response playbook

Credential / info stealer
  1. Find it

    Search your lockfiles and build artifacts for exodus-firestore-synchronize (version 0.0.1).

  2. If you installed it — respond

    exodus-firestore-synchronize is built to steal secrets, so assume every credential the build or runtime could read is compromised. Remove it from your project and lockfile, then rotate ALL exposed secrets — npm/registry tokens, cloud keys, CI/CD secrets, SSH keys, and any .env values — from a known-clean machine. Audit logs for unauthorized use of those credentials.

  3. Did it already run?

    If exodus-firestore-synchronize was installed, its post-install payload may already have run. Removing the package does not undo that — check outbound connections and credential use from the install window onward.

Frequently asked questions

No. exodus-firestore-synchronize on npm 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-2026-10730IN-MAL-2026-021456

References

Credits

  • Amazon Inspector · finder
  • ReversingLabs · finder

Detect & block this

O3 blocks exodus-firestore-synchronize-class packages before install and in CI — and if it already ran, its runtime egress monitoring catches the credential exfiltration and severs the channel.

Explore

exodus-firestore-synchronize (npm) malicious package — MAL-2026-16533 | O3 Security