""ET WEB_CLIENT Base64 Encoded Java Value""
SID: 2018447
Revision: 3
Class Type: bad-unknown
Metadata: affected_product Web_Browsers, affected_product Web_Browser_Plugins, attack_target Client_Endpoint, created_at 2014_05_05, deployment Perimeter, signature_severity Major, tag Web_Client_Attacks, updated_at 2022_05_03, reviewed_at 2024_03_06
Reference:
Protocol: tcp
Source Network: $EXTERNAL_NET
Source Port: $HTTP_PORTS
Destination Network: $HOME_NET
Destination Port: any
Flow: established,to_client
Contents:
-
Value: "<applet"
-
Value: "<param"
-
Value: "<value="
Within:
PCRE: "/\x3Cvalue\x3D\x22([a-z0-9+/]{4})*(?:[a-z0-9+/]{2}==|[a-z0-9+/]{3}=)/smi"
Special Options:
- file_data