Please remember that VulnHub is a free community resource so we are unable to check the machines that are provided to us. Before you download, please read our FAQs sections dealing with the dangers of running unknown VMs and our suggestions for "protecting yourself and your network. If you understand the risks, please download!
In general, I’ve found that information is much easier to retain if it can be applied in the real world. Not everyone is a self-proclaimed botnet hunter, and it is not suggested (or recommended) that anyone try to exploit live botnets. For these reasons, I have put together another vulnerable virtual machine, which allows for aspiring botnet hunters and security enthusiasts to try their hand at attacking a Dexter command and control panel. It can be downloaded