alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE Higaisa CnC (ipconfig)";
flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"inter.php"; bsize:9;
http.content_type;
content:"application/x-www-form-urlencoded"; bsize:33;
http.request_body;
content:"&test="; startswith; fast_pattern;
reference:url,blog.malwarebytes.com/threat-analysis/2020/06/higaisa/;
classtype:command-and-control;
sid:2030265; rev:1;
metadata:attack_target Client_Endpoint, created_at 2020_06_08, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_06_08;
)