GrayBravo MaaS Deploys CastleRAT Backdoor, Hiding C2 with Steam Profile Dead Drop Resolvers Cybercriminals GrayBravo MaaS Deploys CastleRAT Backdoor, Hiding C2 with Steam Profile Dead Drop Resolvers Ddos December 10, 2025 0 Read More Read more about GrayBravo MaaS Deploys CastleRAT Backdoor, Hiding C2 with Steam Profile Dead Drop Resolvers