""ET INFO Observed DNS over HTTPS Domain (ad .johnwick .me in TLS SNI)""
SID: 2053483
Revision: 1
Class Type: misc-activity
Metadata: attack_target Client_Endpoint, created_at 2024_06_12, deployment Perimeter, signature_severity Informational, updated_at 2024_06_12
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|"
-
Value: "|00|"
-
Value: "ad.johnwick.me"
Within: 1
PCRE: "/^(?:\x00\x0e|.\x2e)ad.johnwick.me/R"
Special Options: