Hello,
Your first ban appeal says you got banned for rapidfire, not auto cbug. You then proceeded to tell us it was your brother who got you banned. What really happened?
Also, the video you provided doesn't really seem legit. It's really hard to even see anything. It doesn't look like you're even pressing C or spamming the fire button, just holding it. We have had good cbuggers who got banned in the past post videos that prove their innocence, like this:
https://www.youtube.com/watch?v=jh3C8Vczd0oIn this one you can clearly see that he's performing it legit, in yours however it seems like a mod/hack. Also, whats the white UI on the top right?