""ET POLICY External IP Lookup (api .ipaddress .com)""

SID: 2027905

Revision: 2

Class Type: policy-violation

Metadata: attack_target Client_Endpoint, created_at 2019_08_22, deployment Perimeter, performance_impact Low, signature_severity Informational, tag IP_address_lookup_website, updated_at 2019_08_22

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: "Host|3a 20|api.ipaddress.com|0d 0a|"

  • Value: "/myip" Depth: 5

Within:

PCRE:

Special Options:

  • http_method

  • http_header

  • fast_pattern

  • http_uri

source