Alright guys, can someone help me find this attack I'm doing??

So I received the following from my ISP. I received 4 other ones last week, and I believe that I have identified the machine. It's a desktop PC running Linux Mint. I'm okay with Linux, I've run a couple of headless servers before, and used ubuntu as a daily driver for a couple years, but outside of tasks I needed to complete my knowledge is not high. I can't find anything in any logs that indicates this activity, but I'll …

attack computerforensics doing