LoFP LoFP / very few legitimate content-type fields will have a length greater than 100 characters.

Techniques

Sample rules

Unusually Long Content-Type Length

Description

This search looks for unusually long strings in the Content-Type http header that the client sends the server.

Detection logic

`stream_http` 
| eval cs_content_type_length = len(cs_content_type) 
| where cs_content_type_length > 100 
| table endtime src_ip dest_ip cs_content_type_length cs_content_type url 
| `unusually_long_content_type_length_filter`