alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT_KIT Archie EK Landing Nov 17 2014"; flow:established,from_server; file_data; content:"flash_run2"; nocase; content:"silver_run"; nocase; content:"msie_run"; nocase; classtype:exploit-kit; sid:2019722; rev:2; metadata:created_at 2014_11_18, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)