""ET INFO Suspicious PHP Code in HTTP POST (Outbound)""

SID: 2031123

Revision: 2

Class Type: attempted-admin

Metadata: affected_product Web_Server_Applications, attack_target Web_Server, created_at 2020_10_27, deployment Perimeter, signature_severity Informational, updated_at 2020_10_27

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: "<?php"

  • Value: "exec("

Within: 500

PCRE:

Special Options:

  • http_method

  • http_client_body

  • fast_pattern

  • http_client_body

source