SLEEPWALKER Backdoor Hides Inside ESET Agent and Awakens Only on Network Trigger

SLEEPWALKER is a newly identified passive Windows backdoor designed to remain dormant until it receives a specially crafted network packet. Unlike conventional backdoors that regularly contact command-and-control (C2) servers, SLEEPWALKER does not contain fixed C2 domains, IP addresses, URLs, or second-stage payloads. The malware is designed for...