""ET WEB_CLIENT Adobe Flash Player Rosetta Flash compressed CWS""

SID: 2018656

Revision: 2

Class Type: attempted-user

Metadata: affected_product Web_Browsers, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2014_07_09, cve CVE_2014_4671, deployment Perimeter, signature_severity Major, tag Web_Client_Attacks, updated_at 2014_07_09

Reference:

  • cve

  • 2014-4671

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,from_server

Contents:

  • Value: "callback=CWS"

  • Value: "<object"

Within:

PCRE: "/^((?!(?i:<\/object>)).)+?data\s?\=\s?[\x22\x27][^\x22\x27]*[?&]callback=CWS[a-zA-Z0-9_.\x0d\x0a]{50,}+[&\x22\x27]/Rsi"

Special Options:

  • nocase

  • nocase

source