alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET DELETED Exploit Kit Java png download"; flow:established,to_server; content:".png"; http_uri; pcre:"/\.png$/U"; content:"Java/1."; http_user_agent; fast_pattern:only; flowbits:set,ET.g01pack.Java.Image; flowbits:noalert; classtype:exploit-kit; sid:2016402; rev:5; metadata:created_at 2013_02_12, signature_severity Unknown, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_06_23;)