ystl03106[.]top

This domain is flagged as a high-risk phishing infrastructure targeting users through fake account verification lures. Analysis indicates it operates under the generic_phishing threat category, designed to harvest credentials or sensitive information by mimicking legitimate authentication portals. The domain remains active and poses a significant risk to both individual and organizational security. Infrastructure analysis reveals the following technical indicators: The domain ystl03106.top was registered on December 04, 2025, through Gname.com Pte. Ltd. and currently resolves to the IP address 104.21.53.67. Its SSL certificate is issued by Google Trust Services, a common tactic to appear legitimate. Detection metrics show 11 out of 95 security vendors on VirusTotal flagging the domain as malicious. Additionally, the domain appears in one threat intelligence pulse on AlienVault OTX, further corroborating its association with phishing activity. Mitigation steps specific to this threat type include blocking the domain and its resolving IP at the network perimeter. Organizations should implement email filtering rules to quarantine messages containing this domain or related URLs. End users should be educated on recognizing phishing indicators, such as mismatched URLs, urgent verification requests, and suspicious sender addresses. Security teams are advised to monitor for credential theft attempts originating from this infrastructure and reset any compromised accounts immediately. Proactive threat hunting for related indicators of compromise (IOCs) is recommended to identify potential breaches.