alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET POLICY Vulnerable Java Version 9.x Detected";
flow:established,to_server;
flowbits:set,ET.http.javaclient.vulnerable;
threshold:type limit, count 2, seconds 300, track by_src;
http.user_agent;
content:"Java/9.";
reference:url,www.oracle.com/technetwork/java/javase/documentation/9u-relnotes-3704429.html;
classtype:bad-unknown;
sid:2025314; rev:4;
metadata:affected_product Java, attack_target Client_Endpoint, created_at 2018_02_05, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Informational, tag EOL, updated_at 2023_12_13;
)