alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT Impact Exploit Kit Class Download"; flow:established,to_server; flowbits:set,et.exploitkitlanding; content:"/com/sun/org/glassfish/gmbal/util/GenericConstructor.class"; fast_pattern; http.user_agent; content:"Java/1"; classtype:exploit-kit; sid:2016240; rev:7; metadata:created_at 2013_01_18, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_05;)