""ET INFO Terse DoH Style Query (GET)""

SID: 2044850

Revision: 1

Class Type: bad-unknown

Metadata: attack_target Client_Endpoint, created_at 2023_03_31, deployment Perimeter, performance_impact Low, signature_severity Informational, updated_at 2023_03_31

Reference:

  • md5

  • dc1852f54d4e5144b3129a2294d3bc39

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: "/resolve?type=" Depth: 14

  • Value: "&name="

  • Value: !"User-Agent|3a 20|"

  • Value: !"Referer|3a 20|"

  • Value: !"|0d 0a|Accept"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • fast_pattern

  • http_uri

  • http_header

  • http_header

  • http_header

source