""ET INFO Observed DNS Over HTTPS Domain (doh .max .net .id in TLS SNI)""

SID: 2049448

Revision: 1

Class Type: misc-activity

Metadata: attack_target Client_Endpoint, created_at 2023_12_04, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, updated_at 2023_12_04

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: 443

Flow: established,to_server

Contents:

  • Value: "|16|"

  • Value: "|01|"

  • Value: "|00 00 0e|doh.max.net.id"

Within: 8

PCRE:

Special Options:

  • fast_pattern

source