alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Dialer-967 User-Agent"; flow:established,to_server; http.user_agent; content:"del"; startswith; endswith; nocase; classtype:trojan-activity; sid:2006364; rev:12; metadata:created_at 2010_07_30, confidence High, signature_severity Major, updated_at 2024_04_13;)