alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Worm.VBS.ayr Checkin 2"; flow:established,to_server; http.method; content:"POST"; http.uri; content:"/is-sending"; nocase; content:".exe"; distance:0; reference:md5,d2e799904582f03281060689f5447585; classtype:command-and-control; sid:2017517; rev:6; metadata:created_at 2013_08_28, signature_severity Major, updated_at 2020_04_27;)