alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET CURRENT_EVENTS SofosFO Jar file 10/17/12"; flow:to_client,established; file_data; content:"PK"; within:2; content:"SecretKey.class"; fast_pattern; distance:0; content:"Mac.class"; distance:0; flowbits:isset,ET.http.javaclient.vulnerable; classtype:trojan-activity; sid:2015812; rev:3; metadata:created_at 2012_10_18, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)