ET MALWARE Likely Bot Nick in IRC ([country|so version|CPU])

Query · suricata

flow:established,to_server;
content:"NICK {";
content:"x86"; within:12;
content:"}"; distance:0;
pcre:"/NICK {[a-z]{2,3}\x2D.+?x86[a-z]}[a-z]/i";
flowbits:set,ET.IRC.BOT.CntSOCPU;

Rule dependencies

Feeds into

  • Nothing indexed reads ET.IRC.BOT.CntSOCPU.
Raw source ET MALWARE Likely Bot Nick in IRC ([country|so version|CPU]) · Suricata
Esc
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 Likely Bot Nick in IRC ([country|so version|CPU])";
    flow:established,to_server;
    content:"NICK {";
    content:"x86"; within:12;
    content:"}"; distance:0;
    pcre:"/NICK {[a-z]{2,3}\x2D.+?x86[a-z]}[a-z]/i";
    flowbits:set,ET.IRC.BOT.CntSOCPU;
    classtype:trojan-activity;
    sid:2017395; rev:3;
    metadata:created_at 2013_08_28, confidence Medium, signature_severity Major, updated_at 2019_07_26;
)

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