Giving the answer to 12, because I had to ask for it. Read below.
Eleventh
This is a very common .exe that some may find recognizable. For this step we go back to Redline and dig through the tabs.
Its here somewhere, you just have to dig
Twelfth
This question had me going bonkers. I even had to ask Bohan for a lifeline. Heres the uber noob convo we had.
Truly pathetic lol
I was reading payloads and bad characters specifically in the format of his given hint. At the end of it I was slowly losing it reading Binaries on WireShark.