Malware in slow-surf
The npm package slow-surf contained malware that provided full system compromise to attackers. 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
- slow-surf
The npm package slow-surf was found to contain malware. According to the GitHub Security Advisory (GHSA-4qxq-82wv-jq32), any computer that has this package installed or running should be considered fully compromised.
The 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.
Users should assume complete system compromise and take appropriate incident response measures.
Indicators of compromise
- Packages
- slow-surf
Remediation
- Immediately isolate any computer that has slow-surf installed or running from the network
- Rotate all secrets, API keys, credentials, and passwords from a different, uncompromised computer
- Remove the slow-surf package from the system
- Perform a full forensic analysis and malware scan of affected systems
- Review system logs and network traffic for signs of unauthorized access or data exfiltration
- Consider the system fully compromised and plan for complete rebuild if critical systems are affected
Sources
- GitHub Advisory GHSA-4qxq-82wv-jq32 · GitHub Advisory Database
Cite this entry
"Malware in slow-surf." supplychainattack.org, Supply Chain Attack Incident Catalog. Disclosed June 15, 2026; last updated June 16, 2026. https://supplychainattack.org/incident/malware-in-slow-surf-bhsn9m
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