ET MALWARE Megalodon/Gomorrah/CosaNostra HTTP Bot CnC Exfil

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Megalodon/Gomorrah/CosaNostra HTTP Bot CnC Exfil";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:".php?hwid=";
    isdataat:!17,relative;
    http.request_body;
    content:".txt|22 0d 0a|Content-Type|3a 20|application/octet-stream|0d 0a|";
    content:"|22|PC Name|22|";
    content:"|22|Operating System|22|";
    content:"|22|Anti virus|22|"; fast_pattern;
    content:"|22|Firewall|22|";
    content:"|22|Processor|22|";
    content:"|22|Memory|20|(RAM)|22|";
    http.header_names;
    content:!"Referer";
    content:!"User-Agent";
    reference:url,github.com/moneermasoud/CosaNostra-HTTP-Botnet/blob/master/stub/keylogger/keylogger/Form1.vb;
    reference:md5,0dad0861840cb73b4cefce3dcce28fa5;
    classtype:command-and-control;
    sid:2034056; rev:2;
    metadata:attack_target Client_Endpoint, created_at 2021_09_30, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_09_30;
)