CastleBot MaaS Released Diverse Payloads in Coordinated Mass Ransomware Attacks

IBM X-Force has uncovered CastleBot, a nascent malware framework operating as a Malware-as-a-Service (MaaS) platform, enabling cybercriminals to deploy a spectrum of payloads ranging from infostealers to sophisticated backdoors implicated in ransomware operations. First detected in early 2025 with heightened activity since May, CastleBot facilitates the delivery of threats like NetSupport and WarmCookie, which have […]

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