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)
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
Indicators of compromise (SHA-256)
Detection & response playbook
Credential / info stealerFind it
Search your lockfiles and build artifacts for exodus-firestore-synchronize (version 0.0.1).
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.
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
Campaign
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.