Henrik Falk April 23, 2026
EDR & XDR for Cyberwarriors: How Endpoints Are Monitored, Attacked, and Defended
In this article, we will delve into the essential components of endpoint detection and response (EDR) systems and examine how they identify malicious activity across various environments. We’ll discuss common design features, explain what extended detection and response (XDR) entails, and provide a hands-on installation guide for Wazuh XDR
hackers-arise.com/edr-xdr-for-cyberwarriors-how-endpoints-are-monitored-attacked-and-defended
RedSun: How Windows Defender's Remediation Became a SYSTEM File Write
The second zero-day from the same researcher who wrote BlueHammer. This one uses a two-phase oplock, a Cloud Files placeholder, and a named pipe session trick to make Defender write your binary into System32 as SYSTEM.
nefariousplan.com
Reverse-Engineering a North-Korean-Style Supply Chain Attack Delivered via Fake Web3 Job Interview
A single npm install silently deployed a two-stage RAT: an initial loader that decrypts a second-stage C2 endpoint, exfiltrates the full process environment, and maintains a persistent TCP beacon on port 1224 awaiting operator commands. I got targeted, responded in 45 minutes, then reproduced the entire attack chain in an isolated Hetzner VM and captured the complete C2 protocol.
Reymom
