From my experience I haven't seen anything like this in the last few years. Botnets are controlled primarily from C&C web services or other SSL/TLS (+encrypted

From my experience I haven't seen anything like this in the last few years. Botnets are controlled primarily from C&C web services or other SSL/TLS (+encrypted messages) transport via web. The brute force ddos attacks I've seen are on illegal private server emulators and Minecraft et al. Maybe this is just a completely different experience by being in differnt part of internet.