alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Suspicious User-Agent (windsoft)"; flow:established,to_server; http.user_agent; content:"WindSoft"; depth:8; endswith; classtype:trojan-activity; sid:2013561; rev:6; metadata:affected_product Any, attack_target Client_Endpoint, created_at 2011_09_12, deployment Perimeter, confidence High, signature_severity Major, tag User_Agent, updated_at 2020_10_17;)