ClickFix Clipboard-Paste Payload Detection via Fake CAPTCHA Verification Markers

Ankit Mehta@Secvyn

•updated Jun 25, 2026•14•1•20

Detects the execution of command-line processes (e.g., PowerShell, cmd, mshta) where the command arguments contain indicators of copy-paste lures commonly associated with social engineering, such as fake CAPTCHA verification, human verification requests, or 'not a robot' prompts. This behavior is indicative of an attacker tricking a user into executing malicious code via their system's command interpreter.