""ET WEB_SERVER Antsword Related Webshell Activity (Inbound)""

SID: 2039066

Revision: 1

Class Type: web-application-attack

Metadata: attack_target Web_Server, created_at 2022_09_29, deployment Perimeter, signature_severity Major, updated_at 2022_09_29

Reference:

• Link

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: any

Destination Network: $HOME_NET

Destination Port: $HTTP_PORTS

Flow: established,to_server

Contents:

• Value: "GET"

• Value: "/ews/web/webconfig/"

• Value: "|0d 0a|RPDbgEsJF9o8S=|0d 0a|"

• Value: !"Referer|3a 20|"

Within:

PCRE:

Special Options:

• http_method

• http_uri

• fast_pattern

• http_client_body

• http_header

source