alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT Topic EK Requesting Jar"; flow:established,to_server; content:".php?exp="; http_uri; content:"&b="; http_uri; content:"&k="; http_uri; content:"Java/1."; http_user_agent; pcre:"/&b=[a-f0-9]{7}&k=[a-f0-9]{32}/U"; classtype:exploit-kit; sid:2016107; rev:6; metadata:created_at 2012_12_28, confidence High, signature_severity Major, updated_at 2019_07_26;)