New Windows malware lays dormant until a custom command activates it like a sleeper agent

Researcher Dominik Reichel found SLEEPWALKER, a silent malware implant disguised as ESET’s agentIt contains no malicious code, activates only after receiving crafted network signalsLikely a nation‑state project targeting specific victims; no active campaigns confirmed yetSecurity researchers discovered a new and rather unusual piece of malware....