APT / THREAT GROUP
Resident
2
aliases
Last seen:Mar 17, 2026
Intelligence Profile
According to Cisco Talos, Resident is a backdoor likely developed by the same author as win.warmcookie, and it was observed being delivered in intrusions they attribute to TA866.
Threat Analysis
Resident is a known-sophistication threat actor of undetermined national origin, engaged in cyber operations with a primary motivation of unknown activity patterns.
Intelligence Reports Mentioning Resident
NetNut proxy network disrupted, 2 million infected devices cut off
BleepingComputer· Jul 3, 2026
Google, FBI Disrupt NetNut Residential Proxy Network Powered by Millions of Devices
SecurityWeek· Jul 3, 2026
FBI Seizes NetNut Proxy Platform, Popa Botnet
Krebs on Security· Jul 2, 2026
Google Disrupts NetNut Residential Proxy Network Spanning 2 Million Home Devices
The Hacker News· Jul 2, 2026
OpenAI and Anthropic Limit New AI Models to Trump-Approved Customers During Cybersecurity Review
SecurityWeek· Jun 29, 2026
DHS chief says president has met with likely CISA nominee; agency plans to hire 600
The Record· Jun 25, 2026
Trump Order Sets 2030 Deadline for Federal Post-Quantum Crypto Migration
The Hacker News· Jun 23, 2026
22nd June – Threat Intelligence Report
Check Point Research· Jun 22, 2026
External References
Quick Facts
TypeAPT / Threat Group
Aliases2
Also Known As
win.residentResident
External Intelligence
Malpedia: win.residentResearch Links
Data sourced from Malpedia, Ransomware.live, RansomLook, and CTIWATCH OSINT collection. Actor attribution is based on available intelligence and may be incomplete.