MALWARE FAMILY
NESTEGG
Internal ID: win.nestegg
1
aliases
Last seen:Mar 17, 2026
Intelligence Profile
NESTEGG is a memory-only backdoor that can proxy commands to other
infected systems using a custom routing scheme. It accepts commands to
upload and download files, list and delete files, list and terminate processes, and
start processes. NESTEGG also creates Windows Firewall rules that allows the
backdoor to bind to a specified port number to allow for inbound traffic.
Threat Analysis
NESTEGG is a malware family tracked by threat intelligence researchers and catalogued in the Malpedia dataset. It represents a distinct malicious software lineage with identifiable code characteristics, behaviors, and victimology.
External References
Quick Facts
TypeMalware Family
Aliases1
Also Known As
win.nestegg
Research Links
Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.