alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT Exploit Kit Java jpg download"; flow:established,to_server; content:".jpg"; http_uri; pcre:"/\.jpg$/U"; content:"Java/1."; http_user_agent; fast_pattern:only; flowbits:set,ET.g01pack.Java.Image; flowbits:noalert; classtype:exploit-kit; sid:2016371; rev:5; metadata:created_at 2013_02_08, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)