Malware in st-bigintr
The npm package st-bigintr contains malware that grants full control of affected systems to an outside entity. Any computer with this package installed or running should be considered fully compromised.
- Disclosed
- Last updated
- Blast radius
- Any system with the package installed or running
- Ecosystems
- Attack vectors
- Affected entities
- st-bigintrnpm package
The npm package st-bigintr has been identified as containing malware. According to the GitHub advisory, any computer that has 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, given that the attacker may have gained full control of the system.\n\nAffected users should treat their systems as potentially fully compromised and take appropriate incident response measures.
Indicators of compromise
- Packages
- st-bigintr
Remediation
- Immediately isolate affected systems from the network
- Rotate all secrets, keys, and credentials from a different, uncompromised computer
- Remove the st-bigintr package
- Perform a full forensic analysis and malware scan of affected systems
- Consider the system fully compromised and plan for complete rebuild if critical systems are affected
- Review access logs and audit trails for any unauthorized activity
Sources
- GitHub Advisory GHSA-vvxr-vc6m-w98j · GitHub Advisory Database
Cite this entry
"Malware in st-bigintr." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed July 6, 2026; last updated July 6, 2026. https://supplychainattack.org/incident/malware-in-st-bigintr-1uao9c
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