ET MALWARE [PTsecurity] Trojan.JS.Agent.dwz Checkin 1

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE [PTsecurity] Trojan.JS.Agent.dwz Checkin 1";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.header;
    content:"Accept|3a 20|*/*";
    content:"auth255|3a 20|login"; fast_pattern;
    http.request_body;
    content:"a="; depth:2;
    pcre:"/^(?:[a-f0-9]{30,60})$/R";
    http.content_type;
    content:"application/x-www-form-urlencoded"; startswith;
    http.header_names;
    content:!"Referer|0d 0a|";
    classtype:command-and-control;
    sid:2024849; rev:3;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_10_17, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_13;
)