Vietnam’s Massive CAPTCHA crackers vs. Microsoft DCU
ID: b16b7484-17f2-521c-b185-38f75dc1f4ab
STIX ID: report--b16b7484-17f2-521c-b185-38f75dc1f4ab
Feed Name: Security Boulevard
Microsoft’s Digital Crimes Unit investigated a Vietnam-based group dubbed Storm-1152 that used CAPTCHA-cracking platforms and open-source/account-generation tooling to create an estimated 750 million fraudulent email accounts across services (Hotmail/Outlook and others). The report names domains and operators, cites GitHub projects and tooling used to bypass Arkose/HCaptcha/FunCaptcha protections, notes Microsoft’s seizure of several infrastructure elements, and warns that alternative services (e.g., AntiCaptcha) continue to offer high-volume CAPTCHA solving that sustains account-fraud activity.
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