A rapidly evolving IoT botnet dubbed “Dysphoria” has emerged as a significant global threat, leveraging blockchain-based domain resolution and a hybrid command-and-control (C2) architecture to sustain large-scale distributed denial-of-service (DDoS) operations. Dysphoria’s evolution has been unusually aggressive, transitioning from early jackskid-derived variants to more sophisticated fbot-based implementations within weeks. Initial samples observed in March 2026 […]
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