ET MALWARE Possible IRCBot.DDOS Common Commands

Query · suricata

flow:established,to_client;
content:"PRIVMSG "; depth:8;
pcre:"/^[^\r\n]*?\x3a[^\r\n]*?(?:port(?:scan)?|udp[1-3]|tcp|http|download)[^\r\n]+?(?:\d{1,3}\x2E\d{1,3}\x2E\d{1,3}\x2E\d{1,3}|https?\x3A\x2F\x2F)/Ri";
Raw source ET MALWARE Possible IRCBot.DDOS Common Commands · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE Possible IRCBot.DDOS Common Commands";
    flow:established,to_client;
    content:"PRIVMSG "; depth:8;
    pcre:"/^[^\r\n]*?\x3a[^\r\n]*?(?:port(?:scan)?|udp[1-3]|tcp|http|download)[^\r\n]+?(?:\d{1,3}\x2E\d{1,3}\x2E\d{1,3}\x2E\d{1,3}|https?\x3A\x2F\x2F)/Ri";
    reference:md5,ef54080af1782dd29356032b7ff20849;
    classtype:trojan-activity;
    sid:2019471; rev:3;
    metadata:created_at 2014_10_20, confidence Medium, signature_severity Major, updated_at 2019_07_26;
)

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