alert http $HOME_NET any -> $EXTERNAL_NET any (
msg:"ET MALWARE Win32/Unk.Joia CnC Activity";
flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:".php"; endswith;
http.request_body;
content:"ABCDIMQ"; depth:7; fast_pattern;
http.start;
content:".php|20|HTTP/1.0|0d 0a|Host|3a 20|";
http.header_names;
content:!"Accept";
content:!"Referer";
reference:md5,7e10e615edd111a5b77266c862aca78a;
classtype:command-and-control;
sid:2029641; rev:2;
metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_03_17, deployment Perimeter, malware_family Win32_Unk_Joia, confidence High, signature_severity Major, updated_at 2020_11_09;
)