""ET WEB_SERVER Leaf PHPMailer Accessed on Internal Server""

SID: 2032079

Revision: 2

Class Type: web-application-attack

Metadata: affected_product Web_Server_Applications, attack_target Web_Server, created_at 2021_03_16, deployment Perimeter, signature_severity Major, updated_at 2021_03_16

Reference:

Protocol: tcp

Source Network: $HTTP_SERVERS

Source Port: $HTTP_PORTS

Destination Network: $EXTERNAL_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "V5 PHPMailer"

  • Value: "for=|22|senderName|22|>Sender Name"

  • Value: "type=|22|file|22 20|name=|22|attachment[]|22 20|id=|22|attachment[]|22|"

Within:

PCRE:

Special Options:

  • file_data

  • fast_pattern

source