alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT TDS Unknown_.aso - URI - IP.aso"; flow:established,to_server; http.uri; content:".aso"; endswith; fast_pattern; pcre:"/\/\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\.aso$/"; classtype:bad-unknown; sid:2017906; rev:4; metadata:created_at 2013_12_27, confidence Medium, signature_severity Major, tag TDS, updated_at 2024_03_17;)