By faking CAPTCHA tests and using the ClickFix trick, attackers bypass browser security to stealthily install malware that harvests usernames and passwords.
How the Attack Works
Attackers are now blending fake CAPTCHA verification prompts with a technique called ClickFix to trick users into handing over their login credentials. The campaign begins when a victim visits a compromised or malicious website that displays a convincing CAPTCHA challenge. Once the user clicks the verification button, the ClickFix method is triggered, which instructs them to copy and paste a malicious script into their system’s command prompt or terminal. This action secretly installs credential stealing malware onto the device.
Impact and Scope
This hybrid approach has been observed in credential theft campaigns targeting a wide range of industries, including finance, ecommerce, and SaaS providers. The use of CAPTCHA adds a layer of social engineering by making the attack appear legitimate, while ClickFix bypasses traditional browser defenses. The stolen credentials can then be used for unauthorized account access, data exfiltration, or further network infiltration. Although specific CVEs have not been publicly assigned to this tactic, the attack chain represents a significant evolution in phishing methodologies. Users should verify any unexpected CAPTCHA prompts and avoid running commands from unverified sources.
Source: Cyber Security News
