CyberWire Daily Bot or not? The fake CAPTCHA trick spreading Lumma malware. [Research Saturday}
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Feb 15, 2025 Nati Tal, Head of Guardio Labs, dives into the dark world of online scams with his insights on the 'DeceptionAds' campaign. He reveals how fake CAPTCHAs trick users into running malicious commands, leading to Lumma malware infections. Nati discusses the deceptive tactics that cybercriminals use to exploit trust and bypass security measures. He highlights the challenges posed by ad networks that facilitate these attacks and the ongoing battle to protect users from such insidious threats, even after takedown efforts.
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Fake CAPTCHA Origins
- The fake CAPTCHA tactic originated from a GitHub repository intended for educational purposes.
- Scammers adapted this tool for malicious use, highlighting the potential misuse of educational resources.
Scale of the Threat
- The core issue isn't the phishing page itself, but its large-scale deployment.
- The innovation lies in effectively weaponizing a simple phishing technique.
Fake CAPTCHA Mechanics
- Users are tricked into running malicious code by clicking buttons on a fake CAPTCHA page.
- This bypasses security measures and delivers Lumma stealer malware.