""ET WEB_SERVER Suspected Webshell ipconfig Command (Inbound)""

SID: 2037009

Revision: 1

Class Type: web-application-attack

Metadata: attack_target Web_Server, created_at 2022_06_16, deployment Perimeter, signature_severity Major, updated_at 2022_06_16

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_server

Contents:

  • Value: "GET"

  • Value: ".jsp?cmd=ipconfig|2b|"

Within:

PCRE:

Special Options:

  • http_method

  • http_uri

  • fast_pattern

source