""ET INFO Splashtop Domain (splashtop .com) in TLS SNI""

SID: 2035763

Revision: 2

Class Type: misc-activity

Metadata: attack_target Client_and_Server, created_at 2022_04_05, deployment Perimeter, performance_impact Low, signature_severity Informational, updated_at 2022_04_05

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: "splashtop.com"

Within: 1

PCRE: "/^(?:\x00\x0d|.\x2e)splashtop.com/R"

Special Options:

source