Malware in ecto-corsair-flag-x9m4
Malware discovered in the npm package ecto-corsair-flag-x9m4. Systems with this package installed are considered fully compromised and require immediate remediation.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- ecto-corsair-flag-x9m4
A malicious npm package named ecto-corsair-flag-x9m4 has been identified as containing malware. According to the GitHub advisory, any computer with this package installed or running should be considered fully compromised.\n\nThe advisory recommends immediate action: all secrets and keys stored on affected computers should be rotated from a different, uncompromised system. The package should be removed, though complete removal of all malicious artifacts cannot be guaranteed due to the potential for full system compromise.\n\nThis represents a critical supply chain attack via a compromised package in the npm ecosystem.
Indicators of compromise
- Packages
- ecto-corsair-flag-x9m4
Remediation
- Immediately remove the ecto-corsair-flag-x9m4 package from all systems
- Rotate all secrets, API keys, and credentials from a different, uncompromised computer
- Perform a full security audit and malware scan of affected systems
- Review system logs for unauthorized access or activity
- Consider full system reimaging if compromise is suspected
- Monitor for any lateral movement or persistence mechanisms
Sources
- GitHub Advisory GHSA-f7w9-m44f-pvf9 · GitHub Advisory Database
Cite this entry
"Malware in ecto-corsair-flag-x9m4." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed June 12, 2026; last updated June 12, 2026. https://supplychainattack.org/incident/malware-in-ecto-corsair-flag-x9m4-dslpve
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