alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE GeckaSeka User-Agent"; flow:established,to_server; content:"GeckaSeka"; http_user_agent; classtype:trojan-activity; sid:2015824; rev:6; metadata:created_at 2012_10_19, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)