""ET WEB_SERVER Possible HTTP 403 XSS Attempt (Local Source)""

SID: 2010515

Revision: 7

Class Type: web-application-attack

Metadata: created_at 2010_07_30, updated_at 2017_11_03

Reference:

Protocol: tcp

Source Network: $HTTP_SERVERS

Source Port: $HTTP_PORTS

Destination Network: $EXTERNAL_NET

Destination Port: 1024:

Flow: from_server,established

Contents:

  • Value: "403"

  • Value: "Forbidden"

  • Value: "<script" Depth: 280

  • Value: !"location.replace|28 22|https|3a 2f 2f|block.opendns.com"

Within:

PCRE:

Special Options:

  • http_stat_code

  • nocase

  • file_data

  • nocase

source