""ET INFO AhaDNS DNS Over HTTPS Certificate Inbound""
SID: 2039434
Revision: 3
Class Type: misc-activity
Metadata: attack_target Client_Endpoint, created_at 2022_10_18, deployment Perimeter, signature_severity Informational, tag DoH, updated_at 2024_01_31
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: 443
Destination Network: $HOME_NET
Destination Port: any
Flow: established,to_server
Contents:
-
Value: "|16|"
-
Value: "|01|"
-
Value: "|00 00 0e|blitz.ahadns.com"
Within: 8
PCRE:
Special Options:
- fast_pattern