""ET WEB_CLIENT Hex Obfuscation of String.fromCharCode %u UTF-8 Encoding""
SID: 2012042
Revision: 2
Class Type: bad-unknown
Metadata: affected_product Web_Browsers, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2010_12_11, deployment Perimeter, signature_severity Major, tag Web_Client_Attacks, updated_at 2010_12_11
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: $HTTP_PORTS
Destination Network: $HOME_NET
Destination Port: any
Flow: established,to_client
Contents:
- Value: "%u53%u74%u72%u69%u6e%u67%u2e%u66%u72%u6f%u6d%u43%u68%u61%u72%u43%u6f%u64%u65"
Within:
PCRE:
Special Options:
- nocase