- Published
- Source
- The Hacker News
- Filed under
- Malware & exploits
Cybersecurity researchers have disclosed details of a long-running npm supply chain malware campaign that pushes information stealers and remote access trojans (RAT) to compromised hosts. The campaign has been codenamed MALFEX by CloudSEK and Checkmarx. The activity is assessed to be the work of a lone threat actor who appears to have published 12 packages…
Keeping malware out
- Keep operating systems, browsers and plugins patched – most malware arrives through known holes.
- Block macros and scripts from the internet, and let only approved software run where you can.
- Watch endpoint alerts for new persistence: scheduled tasks, services and run keys.
More helpNCSC: mitigating malware and ransomware attacks (opens in a new tab)
Defender’s notebook
The attacker technique behind this story, in MITRE’s terms – and what to check in your own estate.
Supply Chain Compromise
Initial AccessWhat a defender checks
- Find where the affected package, update or vendor is used in your estate.
- Pin and verify dependencies, and keep a software bill of materials.
- Review what access the vendor's software has.
Build the skillBlue Team Engineer · Risk Assessment & Recommendations Reporting
Application Layer Protocol
Command and ControlWhat a defender checks
- Hunt for beaconing: regular connections to rare domains.
- Check DNS logs for newly registered and look-alike domains.
- Block known C2 infrastructure from your threat intelligence.
Build the skillBlue Team Engineer · Network Security Engineering
© 2026 The MITRE Corporation. This work is reproduced and distributed with the permission of The MITRE Corporation. MITRE ATT&CK and ATT&CK are registered trademarks of The MITRE Corporation.
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