ET MALWARE Avzhan DDOS Bot Outbound Hardcoded Malformed GET Request Denial Of Service Attack Detected

Query · suricata

flow:established,to_server;
content:"GET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htm"; depth:49; nocase;
threshold:type limit, count 1, seconds 60, track by_src;
Raw source ET MALWARE Avzhan DDOS Bot Outbound Hardcoded Malformed GET Request Denial Of Service Attack Detected · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE Avzhan DDOS Bot Outbound Hardcoded Malformed GET Request Denial Of Service Attack Detected";
    flow:established,to_server;
    content:"GET ^&&%$%$^%$#^&**(*((&*^%$##$%^&*(*&^%$%^&*.htm"; depth:49; nocase;
    threshold:type limit, count 1, seconds 60, track by_src;
    reference:url,asert.arbornetworks.com/2010/09/another-family-of-ddos-bots-avzhan/;
    classtype:trojan-activity;
    sid:2011585; rev:4;
    metadata:created_at 2010_09_29, signature_severity Major, updated_at 2019_09_27;
)

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