Add SuperShell to Tracking

[corumir]

This falls into the same category as "sliver", "metasploit", and so on.

https://github.com/tdragon6/Supershell/blob/main/README_EN.md SuperShell

I'd use this for a consistent verifiable pivot:

http.favicon.hash:-1010228102

https://www.shodan.io/search?query=http.favicon.hash%3A-1010228102

[montysecurity]

Adding this, thank you!

"Supershell C2": [ "http.html_hash:84573275", "http.favicon.hash:-1010228102", "http.title:'Supershell - 登录'" ]