alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Dialer-967 User-Agent"; flow:to_server,established; http.user_agent; content:"del"; depth:3; endswith; nocase; classtype:trojan-activity; sid:2006364; rev:10; metadata:created_at 2010_07_30, confidence High, signature_severity Major, updated_at 2020_10_16;)