""ET INFO Possible IP Check curlmyip.com""

SID: 2020106

Revision: 4

Class Type: misc-activity

Metadata: created_at 2015_01_07, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, signature_severity Informational, updated_at 2023_05_23, reviewed_at 2024_03_26

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: "curlmyip.com"

Within:

PCRE: "/^Host\x3a[^\r\n]+?curlmyip.com(?:\x3a\d{1,5})?[\r\n]+$/Hmi"

Special Options:

  • http_method

  • http_header

source