ET MALWARE Win32/Fluxer CnC Checkin

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/gate.php?id="; fast_pattern;
content:"&ver="; distance:0;
content:"&m="; distance:0;
pcre:"/&m=\d$/i";
http.user_agent;
content:"Mozilla"; bsize:7;
http.connection;
content:"Close"; bsize:5;
http.header_names;
content:!"Accept-";
content:!"|0d 0a|Referer|0d 0a|";
Raw source ET MALWARE Win32/Fluxer CnC Checkin · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Win32/Fluxer CnC Checkin";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/gate.php?id="; fast_pattern;
    content:"&ver="; distance:0;
    content:"&m="; distance:0;
    pcre:"/&m=\d$/i";
    http.user_agent;
    content:"Mozilla"; bsize:7;
    http.connection;
    content:"Close"; bsize:5;
    http.header_names;
    content:!"Accept-";
    content:!"|0d 0a|Referer|0d 0a|";
    reference:md5,648f432b41f3bcebc1a599f529055cf0;
    classtype:command-and-control;
    sid:2022492; rev:4;
    metadata:created_at 2016_02_05, malware_family Win32_Fluxer, signature_severity Major, updated_at 2023_03_10;
)

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