alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET ADWARE_PUP Suspicious User Agent Smart-RTP"; flow:established,to_server; http.user_agent; content:"Smart-RTP"; depth:9; nocase; reference:url,www.drwebhk.com/en/virus_techinfo/Trojan.DownLoader8.25530.html; reference:md5,2b63ed542eb0e1a4547a2b6e91391dc0; reference:md5,a80f33c94c44556caa2ef46cd5eb863c; classtype:pup-activity; sid:2016915; rev:7; metadata:created_at 2013_05_23, confidence High, signature_severity Minor, updated_at 2020_08_31;)