
Ousaban Banking Trojan Uses Daily-Changing DDNS Domains to Hide C2 Infrastructure
In May 2026, researchers at FortiGuard Labs uncovered a sophisticated new campaign delivering the Ousaban banking Trojan to users in Spain and Portugal. Originally known for targeting Brazil, this latest iteration of Ousaban relies on a complex infection chain to steal financial data. The attack begins with a phishing PDF disguised as a corrupted file. […]
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