""ET WEB_CLIENT SmailMax PHPMailer Accessed on External Server""

SID: 2030227

Revision: 2

Class Type: web-application-attack

Metadata: affected_product Any, attack_target Client_Endpoint, created_at 2020_05_28, deployment Perimeter, signature_severity Critical, updated_at 2020_05_28

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "SmailMax SMTP Mailer"

  • Value: "SERVER SETUP"

  • Value: "SMTP Login:"

Within:

PCRE:

Special Options:

  • file_data

  • fast_pattern

source