""ET TROJAN Possible PHP.MAILER WebShell Generic Request Inbound""

SID: 2027969

Revision: 2

Class Type: trojan-activity

Metadata: attack_target Server, created_at 2019_09_09, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2019_09_09

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: any

Destination Network: any

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: "/start_cache1.php"

Within:

PCRE: "/\/start_cache1.php$/U"

Special Options:

  • http_method

  • http_uri

  • fast_pattern

source