""ET WEB_CLIENT Hex Obfuscation of substr %u UTF-8 Encoding""
SID: 2012270
Revision: 1
Class Type: bad-unknown
Metadata: affected_product Web_Browsers, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2011_02_03, deployment Perimeter, signature_severity Major, tag Web_Client_Attacks, updated_at 2011_02_03
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: $HTTP_PORTS
Destination Network: $HOME_NET
Destination Port: any
Flow: established,to_client
Contents:
- Value: "%u73%u75%u62%u73%u74%u72"
Within:
PCRE:
Special Options:
- nocase