From Cyber Security News – UAT-8099 Targets Vulnerable IIS Servers Using Web Shells, PowerShell, and Region-Customized BadIIS

 A new wave of targeted attacks has emerged against Internet Information Services (IIS) servers across Asia, with threat actors deploying sophisticated malware designed to compromise vulnerable systems. The campaign, active from late 2025 through early 2026, focuses primarily on victims in Thailand and Vietnam, marking a strategic shift toward region-specific operations. The attackers exploit unpatched
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