alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT_KIT PluginDetect Observed - Possible EK Activity"; flow:established,to_client; file_data; content:"/* PluginDetect v"; fast_pattern; within:20; content:"PluginDetect={version|3a 22|"; distance:0; content:"getMimeEnabledPlugin:function("; distance:0; classtype:exploit-kit; sid:2028938; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_11_05, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_11_05;)