alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT_KIT Sakura encrypted binary (2)"; flow:established,to_client; flowbits:isset,ET.http.javaclient; file_data; content:"|74 3d c0 19|"; within:4; flowbits:set,et.exploitkitlanding; classtype:exploit-kit; sid:2016733; rev:4; metadata:created_at 2013_04_09, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)