auth-prod3fmclcommonoauth2v20auth[.]co

This domain, auth-prod3fmclcommonoauth2v20auth.co, is a credential theft phishing site designed to impersonate Microsoft's OAuth 2.0 authentication flow. The domain name mimics legitimate Microsoft authentication subdomains, tricking users into entering their login credentials on a fake page. The site was taken offline after identification, but similar domains may still be active.

Analysis confirms this threat through multiple indicators. The domain was registered on February 21, 2026, through Web Commerce Communications Limited, a registrar often abused for phishing infrastructure. VirusTotal reports 3 out of 95 security vendors flagging this domain as malicious. The site resolves to IP 188.114.97.3, hosted behind Cloudflare with HTTP/3 support, and was detected using PHP technology. Gridinsoft assigns a trust score of 0/100, and the domain appears on 3 security blocklists, including MetaMask, SEAL, and PhishDestroy.

If a user visited this domain, they should immediately change any passwords entered on the site and enable two-factor authentication on affected accounts. Monitor accounts for unauthorized activity and report the incident to relevant security teams. The domain is now offline, but users should remain cautious of similar URLs containing 'auth' or 'oauth' components. No credentials or sensitive data should be shared on untrusted pages.