""ET WEB_CLIENT Hex Obfuscation of document.write %u UTF-8 Encoding""

SID: 2012060

Revision: 1

Class Type: bad-unknown

Metadata: affected_product Web_Browsers, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2010_12_15, deployment Perimeter, signature_severity Major, tag Web_Client_Attacks, updated_at 2010_12_15

Reference:

Protocol: tcp

Source Network: $EXTERNAL_NET

Source Port: $HTTP_PORTS

Destination Network: $HOME_NET

Destination Port: any

Flow: established,to_client

Contents:

  • Value: "%u64%u6f%u63%u75%u6d%u65%u6e%u74%u2e%u77%u72%u69%u74%u65"

Within:

PCRE:

Special Options:

  • nocase

source