ET MALWARE KeyLogger related to FindPOS CnC Beacon

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE KeyLogger related to FindPOS CnC Beacon";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:".php";
    http.header_names;
    content:!"Referer|0d 0a|";
    http.request_body;
    content:"uid="; depth:4;
    content:"&win="; distance:0;
    content:"&vers="; distance:0;
    reference:md5,593af622a90f2038e35ee980e09c1c3c;
    reference:url,researchcenter.paloaltonetworks.com/2015/03/findpos-new-pos-malware-family-discovered/;
    reference:url,blogs.cisco.com/security/talos/poseidon;
    classtype:command-and-control;
    sid:2020724; rev:3;
    metadata:attack_target Client_Endpoint, created_at 2015_03_21, deployment Perimeter, signature_severity Major, tag c2, updated_at 2020_05_19, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;
)