""ET POLICY Observed Suspicious SSL Cert (External IP Lookup - ident .me)""

SID: 2026743

Revision: 3

Class Type: policy-violation

Metadata: affected_product Any, attack_target Client_Endpoint, created_at 2018_12_26, deployment Perimeter, performance_impact Low, signature_severity Informational, updated_at 2022_10_25, reviewed_at 2024_04_22

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: "|0C|any.ident.me"

Within: 13

PCRE:

Special Options:

  • fast_pattern

source