ET MALWARE OSX/WizardUpdate CnC Activity

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE OSX/WizardUpdate CnC Activity";
    flow:to_server,established;
    http.method;
    content:"POST";
    http.uri;
    content:"/checknew"; nocase; endswith;
    http.request_body;
    content:"{|22|machine_id|22 3a 20 22|"; depth:16;
    content:"|22 2c 20 22|model_name|22 3a 20 22|"; fast_pattern; distance:0;
    content:"|22 2c 20 22|os|22 3a 20 22|"; distance:0;
    content:"|22 2c 20 22|os_version|22 3a 20 22|"; distance:0;
    content:"|22 2c 20 22|model_ident"; distance:0;
    http.header_names;
    content:!"Referer|0d 0a|";
    reference:md5,6a76ee693b3d43ed385ce4b930fe3e30;
    classtype:trojan-activity;
    sid:2031531; rev:1;
    metadata:affected_product Mac_OSX, attack_target Client_Endpoint, created_at 2021_01_20, deployment Perimeter, malware_family OSX_WizardUpdate, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_01_20;
)