ET MALWARE Linux/dtool IRC Command (UDPFLOOD)

Query · suricata

flow:established,from_server;
content:"PRIVMSG";
content:"{UDPFLOOD}"; fast_pattern; nocase;
content:"Started sending udp data to host";
Raw source ET MALWARE Linux/dtool IRC Command (UDPFLOOD) · 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 tcp $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Linux/dtool IRC Command (UDPFLOOD)";
    flow:established,from_server;
    content:"PRIVMSG";
    content:"{UDPFLOOD}"; fast_pattern; nocase;
    content:"Started sending udp data to host";
    reference:url,kernelmode.info/forum/viewtopic.php?f=16&t=4048&p=26845#p26845;
    reference:md5,a60b96a2cf4b979968fe5ac6259fb197;
    classtype:trojan-activity;
    sid:2021874; rev:3;
    metadata:created_at 2015_10_01, signature_severity Major, updated_at 2019_07_26;
)

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