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Malicious ads push Lumma infostealer via fake CAPTCHA pages
A large-scale malvertising campaign distributed the Lumma Stealer info-stealing malware through fake CAPTCHA verification pages that prompt users to run PowerShell commands to verify they are not a bot. The campaign leveraged the Monetag ad network to propagate over one million ad impressions daily across three thousand websites. The malicious operation, dubbed “DeceptionAds” by Guardio Labs […]
Greasy Opal’s CAPTCHA solver still serving cybercrime after 16 years
A developer that researchers now track as Greasy Opal, operating as a seemingly legitimate business, has been fueling the cybercrime-as-a-service industry with a tool that bypasses account security solutions and allows bot-led CAPTCHA solving at scale. Greasy Opal has been active for more nearly two decades and tailors its tools based on customers’ targeting needs. […]