alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET CURRENT_EVENTS SofosFO Jar file 09 Nov 12"; flow:to_client,established; file_data; content:"PK"; within:2; content:"SecretKey.class"; fast_pattern:only; content:"Anony"; pcre:"/^(mous)?\.class/R"; flowbits:isset,ET.http.javaclient.vulnerable; classtype:trojan-activity; sid:2015876; rev:3; metadata:created_at 2012_11_10, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)