A fileless AsyncRAT campaign is targeting German-speaking users via a fake “I’m not a robot” prompt that executes malicious PowerShell code. Delivered through Clickfix-themed sites, it abuses system utilities to load obfuscated C# code in memory, enabling full remote access and credential theft. It persists via registry keys and communicates with a C2 server on port 4444. Organizations should block suspicious PowerShell activity and scan memory for threats.
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Authors : Koushik Pal
Article Link: Fileless AsyncRAT Distributed Via Clickfix Technique Targeting German Speaking Users | CloudSEK