""ET POLICY External IP Lookup (ipify .org)""

SID: 2029622

Revision: 2

Class Type: policy-violation

Metadata: attack_target Client_Endpoint, created_at 2020_03_12, deployment Perimeter, performance_impact Low, signature_severity Informational, updated_at 2020_03_12

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "/?format=" Depth: 9

  • Value: "Host|3a 20|api.ipify.org|0d 0a|"

Within:

PCRE:

Special Options:

  • http_uri

  • fast_pattern

  • http_header

source