""ET WEB_CLIENT Possible Adobe Reader and Acrobat Forms Data Format Remote Security Bypass Attempt""

SID: 2010664

Revision: 8

Class Type: attempted-user

Metadata: affected_product Web_Browsers, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2010_07_30, cve CVE_2009_3956, deployment Perimeter, signature_severity Major, tag Web_Client_Attacks, updated_at 2010_12_17

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "%FDF-" Depth: 300

  • Value: "/F(JavaScript|3a|"

Within:

PCRE:

Special Options:

  • file_data

  • nocase

source