""ET WEB_CLIENT Possible Microsoft Internet Explorer CSS Cross-Origin Theft Attempt""

SID: 2011472

Revision: 1

Class Type: bad-unknown

Metadata: affected_product Web_Browsers, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2010_09_29, deployment Perimeter, signature_severity Major, tag Web_Client_Attacks, updated_at 2010_09_29

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "document.body.currentStyle.fontFamily"

  • Value: ".indexOf(|22|authenticity_token"

Within:

PCRE:

Special Options:

  • nocase

  • nocase

source