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A new DDoS-as-a-service botnet, ShadowV2, uses GitHub CodeSpaces and Docker to mimic legitimate cloud apps, bypassing traditional defenses and enabling powerful attacks.

During AWS’s major outage in October, Fortinet specialists uncovered a new botnet, ShadowV2, built on Mirai-derived malware and

FortiGuard exposed ShadowV2, a new Mirai botnet variant that launched an IoT test attack specifically during a global AWS outage. The XOR-encoded malware targets routers and uses a hardcoded fallback C2 for resilience.

Over a three-month observation period, Forescout researchers recorded more than 60 million malicious requests targeting devices positioned at