""ET POLICY External IP Lookup SSL/TLS Certificate (ifconfig .me)""

SID: 2030666

Revision: 2

Class Type: bad-unknown

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_08_10, deployment Perimeter, signature_severity Minor, updated_at 2020_08_10

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: 443

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "|16|"

  • Value: "|0b|"

  • Value: "|55 04 03|"

  • Value: "|0b|ifconfig.me"

Within: 12

PCRE:

Special Options:

  • fast_pattern

source