ET MALWARE W32/Syndicasec.Backdoor CnC Beacon

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE W32/Syndicasec.Backdoor CnC Beacon";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.request_body;
    content:"cstype="; depth:7;
    content:"&authname="; distance:0;
    content:"&hostname="; distance:0;
    content:"&ostype="; distance:0;
    content:"&owner="; distance:0;
    reference:url,blogs.mcafee.com/mcafee-labs/operation-mangal-win32syndicasec-used-targeted-attacks-indian-organizations;
    classtype:command-and-control;
    sid:2019831; rev:5;
    metadata:attack_target Client_Endpoint, created_at 2014_12_01, deployment Perimeter, signature_severity Major, tag c2, updated_at 2020_06_24, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;
)