""ET INFO DYNAMIC_DNS HTTP Request to a *.mrbasic.com Domain""

SID: 2018365

Revision: 1

Class Type: bad-unknown

Metadata: created_at 2014_04_05, updated_at 2014_04_05

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: ".mrbasic.com"

Within:

PCRE: "/^Host\x3a[^\r\n]+.mrbasic.com(?:\x3a\d{1,5})?\r?$/Hmi"

Special Options:

  • http_header

  • nocase

source