alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT Topic EK Requesting Jar"; flow:established,to_server; http.uri; content:".php?exp="; fast_pattern; content:"&b="; content:"&k="; pcre:"/&b=[a-f0-9]{7}&k=[a-f0-9]{32}/"; http.user_agent; content:"Java/1."; classtype:exploit-kit; sid:2016107; rev:7; metadata:created_at 2012_12_28, confidence High, signature_severity Major, updated_at 2024_03_17;)