ET DOS LOIC Javascript DDoS Outbound


Query · suricata

flow:established,to_server;
threshold:type both, track by_src, count 5, seconds 60;
http.method;
content:"GET";
http.uri;
content:"/?id="; fast_pattern; depth:5;
content:"&msg="; distance:13; within:5;
pcre:"/^\/\?id=[0-9]{13}&msg=/";
Raw source ET DOS LOIC Javascript DDoS Outbound · Suricata
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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 DOS LOIC Javascript DDoS Outbound";
    flow:established,to_server;
    threshold:type both, track by_src, count 5, seconds 60;
    http.method;
    content:"GET";
    http.uri;
    content:"/?id="; fast_pattern; depth:5;
    content:"&msg="; distance:13; within:5;
    pcre:"/^\/\?id=[0-9]{13}&msg=/";
    reference:url,isc.sans.org/diary/Javascript+DDoS+Tool+Analysis/12442;
    reference:url,www.wired.com/threatlevel/2012/01/anons-rickroll-botnet;
    classtype:attempted-dos;
    sid:2014141; rev:6;
    metadata:created_at 2012_01_23, signature_severity Major, updated_at 2020_05_06;
)

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