KGB RAT Uses FUD Crypter to Evade Windows Defender and Spy on Victims

KGB RAT, a Windows remote access trojan marketed as legitimate administration software, combines surveillance, credential theft, and configurable malicious functions with a built-in crypter advertised to evade Windows Defender. Researchers identified unobfuscated payloads, obfuscated variants, and encrypted loaders that reconstruct malware during execution. This distinction matters: the crypter conceals the underlying payload, while the deployed […]

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