Cyber Risks · Unit 42 Palo Alto Networks

The Smishing Deluge: China-Based Campaign Flooding Global Text Messages

Summary: Unit 42 attributes an ongoing smishing campaign of fraudulent toll violation and package misdelivery notices to the Smishing Triad, targeting U.S. residents since April 2024 and expanding globally. Using its intelligence framework, Unit 42 identified 194,345 fully qualified domain names across 136,933 root domains registered on or after January 1, 2024, with 68.06% registered through Hong Kong-based registrar Dominet (HK) Limited and hosting concentrated on U.S. cloud services.

Key Takeaway: The U.S. Postal Service is the single most impersonated service with 28,045 FQDNs, and toll services as a category account for nearly 90,000 phishing domains, while 71.3% of domains stay active less than a week - a churn rate that makes blocklist-based detection a losing game.

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Topics
Phishing & Social Engineering
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