ET MALWARE DDoS.XOR Checkin 2

Query · suricata

flow:to_server,established;
http.method;
content:"GET";
http.uri;
content:"/check?iid="; fast_pattern;
content:"kernel="; distance:0;
pcre:"/iid=[a-fA-F0-9]{32}&kernel=/";
Raw source ET MALWARE DDoS.XOR Checkin 2 · 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 DDoS.XOR Checkin 2";
    flow:to_server,established;
    http.method;
    content:"GET";
    http.uri;
    content:"/check?iid="; fast_pattern;
    content:"kernel="; distance:0;
    pcre:"/iid=[a-fA-F0-9]{32}&kernel=/";
    reference:url,blog.avast.com/2015/01/06/linux-ddos-trojan-hiding-itself-with-an-embedded-rootkit/#more-33072;
    classtype:command-and-control;
    sid:2021334; rev:3;
    metadata:created_at 2015_06_24, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_05_28;
)

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