alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE Win32/Kaicone.A Checkin via HTTP POST";
flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:".php";
http.request_body;
content:"Plug="; depth:5; fast_pattern;
content:"Instituto="; distance:0;
content:"&AV="; distance:0;
http.header_names;
content:!"Referer|0d 0a|";
reference:md5,0dfaf7a70859ddb86296276dc20ce1ae;
classtype:command-and-control;
sid:2022407; rev:3;
metadata:created_at 2016_01_26, malware_family Win32_Kaicone_A, signature_severity Major, updated_at 2020_06_17;
)