alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE W32/StartPage.eba Dropper Checkin"; flow:established,to_server; http.uri; content:"/Count.asp?mac="; content:"&ver="; content:"&t="; http.user_agent; content:"Forthgoer"; reference:url,www.securelist.com/en/descriptions/24621847/Trojan-Dropper.Win32.StartPage.eba; classtype:command-and-control; sid:2016316; rev:4; metadata:created_at 2013_01_30, signature_severity Major, updated_at 2020_04_23;)