""ET CURRENT_EVENTS Successful Generic Webmail Phish 2016-10-21""

SID: 2032144

Revision: 1

Class Type: trojan-activity

Metadata: affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2016_10_21, deployment Perimeter, signature_severity Critical, tag Phishing, updated_at 2016_10_21, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,from_server

Contents:

  • Value: "200"

  • Value: "Content-Type|3a 20|text/html"

  • Value: "Webmail"

  • Value: "<div class=|22|error"

  • Value: "Please enter a valid email"

  • Value: "Supported Email Providers"

Within:

PCRE:

Special Options:

  • http_stat_code

  • http_header

  • file_data

  • nocase

  • fast_pattern

  • nocase

  • nocase

  • nocase

source