""ET INFO Webhook/HTTP Request Inspection Service Domain via HTTP (mockbin .org in TLS SNI)""

SID: 2048256

Revision: 1

Class Type: misc-activity

Metadata: attack_target Client_Endpoint, created_at 2023_09_26, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Informational, updated_at 2023_10_17, reviewed_at 2023_09_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: "mockbin.org|0d 0a|"

Within:

PCRE: "/^[Hh]ost\x3a(?:[^\r\n]+.|\x20)mockbin.org[\r\n]+$/Hm"

Special Options:

  • http_header

  • fast_pattern

source