""ET INFO Observed DNS over HTTPS Domain in TLS SNI (blitz .ahadns .com)""
SID: 2050510
Revision: 1
Class Type: misc-activity
Metadata: attack_target Client_Endpoint, created_at 2024_01_26, deployment Perimeter, signature_severity Informational, updated_at 2024_01_26
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 10|blitz.ahadns.com"
Within: 8
PCRE:
Special Options:
- fast_pattern