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New Windows Backdoor Hides Inside ESET Agent and Wakes Up With a Secret Network Packet

SLEEPWALKER is a Windows backdoor built to stay quiet until an operator sends a specially crafted network packet. Rather than calling home to a fixed command server, it hides inside a trusted management process and waits, creating little network activity for defenders to spot. The malware uses DLL side-loading, which makes a legitimate program load […] The post New Windows Backdoor Hides Inside ESET Agent and Wakes Up With a Secret Network Packet appeared first on Cyber Security News.
SLEEPWALKER is a Windows backdoor built to stay quiet until an operator sends a specially crafted network packet. Rather than calling home to a fixed command server, it hides inside a trusted management process and waits, creating little network activity for defenders to spot. The malware uses DLL side-loading, which makes a legitimate program load a malicious supporting file placed beside it. It has appeared in recent Windows sideloading attacks, but SLEEPWALKER adds…
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