alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Kishop.A checkin"; flow:to_server; http.method; content:"POST"; http.uri; content:".php?mark="; content:"&type="; content:"&theos="; reference:md5,bad7cd3c534c95867f5dbe5c5169a4da; classtype:command-and-control; sid:2017964; rev:3; metadata:created_at 2014_01_14, signature_severity Major, updated_at 2020_04_27;)