[Analyzer] Knock

## Name
Knock

## Link

https://github.com/guelfoweb/knock

## Type of scanner
observable: https://github.com/guelfoweb/knock#module


## Why should we use it
It is a useful reconnaissance tool


## Possible implementation
see: https://github.com/guelfoweb/knock#module
