""ET INFO Observered File Sharing Service in TLS SNI (frocdn .ch)""
SID: 2046304
Revision: 1
Class Type: misc-activity
Metadata: attack_target Client_Endpoint, created_at 2023_06_20, deployment Perimeter, signature_severity Informational, updated_at 2023_06_20
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: "frocdn.ch"
Within: 1
PCRE: "/^(?:\x00\x09|.\x2e)frocdn.ch/R"
Special Options: