""ET WEB_SERVER Generic Webshell Accessed""

SID: 2030650

Revision: 3

Class Type: web-application-attack

Metadata: attack_target Web_Server, created_at 2020_08_05, deployment Perimeter, performance_impact Low, signature_severity Major, updated_at 2020_11_12

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: any

Destination Network: $HTTP_SERVERS

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

  • Value: "POST"

  • Value: ".php"

  • Value: "password=" Depth: 9

  • Value: "&action=login&hide="

  • Value: "&username="

Within:

PCRE: "/Referer[^\r\n]+.php$/H"

Special Options:

  • http_method

  • http_uri

  • http_client_body

  • fast_pattern

  • http_client_body

  • http_client_body

source