If you have read the previous sections in order, then at this point you should be able to grab a command over Twitter without the need to log into Twitter and submit a text into a Google form, also without logging into the Google account. Lastly, you should be able to upload files to SourceForge. So, you might be asking: what can a hacker do with these services?

Well, they can send a command such as ipconfig as a tweet and then they can make multiple infected targets to parse the tweet and execute the commands. After executing the commands, we get the execution results, which can be submitted to a Google form. Alternatively, if the command syntax or format was containing the grab keyword, then the target will upload the files into our SourceForge repository.

Now, in modern firewalls, the botnet filtering feature is looking for a certain criteria or parameter, like the application or protocol being used by the modern botnets such as IRC, Dynamic DNS, as well as the...