""ET INFO Observed External IP Lookup Domain (ident .me) in TLS SNI""

SID: 2054166

Revision: 1

Class Type: policy-violation

Metadata: affected_product Any, attack_target Client_and_Server, created_at 2024_06_28, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag External_IP_Lookup, updated_at 2024_06_28

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: "ident.me"

Within: 1

PCRE: "/^(?:\x00\x08|.\x2e)ident.me/R"

Special Options:

source