""ET POLICY Observed SSL Cert (Tor Proxy Domain (.onion. pet))""

SID: 2026808

Revision: 2

Class Type: policy-violation

Metadata: affected_product Any, attack_target Client_Endpoint, created_at 2019_01_15, deployment Perimeter, performance_impact Low, signature_severity Informational, updated_at 2019_01_15

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: 443

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "|55 04 03|"

  • Value: "|0b|*.onion.pet"

Within: 12

PCRE:

Special Options:

  • fast_pattern

source