alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Kangkio User-Agent (lsosss)"; flow:established,to_server; http.user_agent; content:"lsosss"; startswith; endswith; classtype:trojan-activity; sid:2008767; rev:8; metadata:created_at 2010_07_30, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_13;)