""ET INFO HTTP POST Request to Suspicious *.icu domain""

SID: 2026887

Revision: 2

Class Type: bad-unknown

Metadata: affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2019_02_06, deployment Perimeter, signature_severity Minor, tag Phishing, updated_at 2019_02_06

Reference:

Protocol: tcp

Source Network: $HOME_NET

Source Port: any

Destination Network: $EXTERNAL_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: ".icu|0d 0a|"

Within:

PCRE: "/^Host\x3a\x20[^\r\n]+.icu$/Hmi"

Special Options:

  • http_method

  • fast_pattern

  • http_header

source