Malware in ts-big-ecro
The npm package ts-big-ecro contained malware that fully compromised any system where it was installed. All secrets and keys on affected systems should be rotated immediately, and the package should be removed.
- Disclosed
- Last updated
- Blast radius
- Any system with ts-big-ecro installed or running
- Ecosystems
- Attack vectors
- Affected entities
- ts-big-ecro
The npm package ts-big-ecro was found to contain malware. According to the GitHub Advisory (GHSA-3cg2-mrw5-67r6), any computer with this package installed or running should be considered fully compromised.\n\nThe advisory recommends that all secrets and keys stored on affected computers be rotated immediately from a different, uncompromised system. While the package should be removed, there is no guarantee that removal will eliminate all malicious software that may have been installed as a result of the initial compromise.\n\nAffected users should treat their systems as potentially fully compromised and take appropriate incident response measures.
Indicators of compromise
- Packages
- ts-big-ecro
Remediation
- Immediately rotate all secrets, API keys, and credentials from a different, uncompromised computer
- Remove the ts-big-ecro package from all affected systems
- Conduct a full security audit and forensic analysis of any system that had ts-big-ecro installed
- Monitor affected systems for signs of persistent malware or unauthorized access
- Consider rebuilding affected systems from clean media if full compromise is suspected
Sources
- GitHub Advisory GHSA-3cg2-mrw5-67r6 · GitHub Advisory Database
Cite this entry
"Malware in ts-big-ecro." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed June 19, 2026; last updated June 20, 2026. https://supplychainattack.org/incident/malware-in-ts-big-ecro-meqhl0
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