""ET WEB_CLIENT PDF Containing Windows Commands Downloaded""

SID: 2011245

Revision: 7

Class Type: bad-unknown

Metadata: affected_product Web_Browsers, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2010_07_30, 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: "%PDF-" Depth: 300

  • Value: "|3C 3C 0D 0A 20 2f|type|20 2F|action|0D 0A 20 2F|s|20 2F|launch|0D 0A 20 2F|win"

Within:

PCRE:

Special Options:

  • file_data

  • nocase

source