Sieren snort suricata sig

alert tcp $HOME_NET any -> $EXTERNAL_NET $HTTP_PORTS (msg:"TROJAN Sieren Botnet Checkin"; flow:established,to_server; content:"POST"; http_method; content:"ping|26|"; http_client_body; content:"Content-Type|3a 20|application/json"; http_header; classtype:trojan-activity; sid:20166269; rev:2; metadata:created_at 2018_11_21;)