ET MALWARE [PTsecurity] Trojan.JS.Agent.dwz Checkin 2

alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE [PTsecurity] Trojan.JS.Agent.dwz Checkin 2";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.accept;
    content:"*/*"; startswith;
    http.content_type;
    content:"application/x-www-form-urlencoded"; startswith;
    http.user_agent;
    content:"Mozilla/4.0 (compatible|3b 20|MSIE 7.0|3b 20|Windows NT 6.1|3b|"; startswith;
    http.header;
    content:"auth255|3a 20|login"; fast_pattern;
    http.accept_enc;
    content:"gzip, deflate"; startswith;
    http.header_names;
    content:!"|0d 0a|Referer|0d 0a|";
    content:"|0d 0a|Accept|0d 0a|";
    content:"|0d 0a|Accept-Language|0d 0a|"; distance:-2;
    content:"|0d 0a|auth255|0d 0a|"; distance:-2;
    content:"|0d 0a|Content-Type|0d 0a|"; distance:-2;
    content:"|0d 0a|Accept-Encoding|0d 0a|"; distance:-2;
    content:"|0d 0a|User-Agent|0d 0a|"; distance:-2;
    http.request_body;
    content:"a="; depth:2;
    pcre:"/^(?:[a-f0-9]{2}){23,60}$/R";
    classtype:command-and-control;
    sid:2025530; rev:5;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_04_23, deployment Perimeter, confidence High, signature_severity Major, updated_at 2024_03_11;
)