Successful phishing campaigns typically combine sophisticated victim-deception tactics with layers of stealth, persistence, and advanced evasion techniques, so that threat actors can quietly maintain access across compromised systems and networks. A prime example is a new operation involving the use of a banking malware–turned–remote access Trojan (RAT) that researchers at Fortinet are tracking as "MostereRAT." It chains the use of an obscure programming language, security tool tampering, and t
