ET MALWARE ELF/STDbot CnC Activity (UNK attack)

Query · suricata

flow:established,to_server;
content:"PRIVMSG|20|";
content:"|20 3a|[UNK]Hitting|20|"; fast_pattern; distance:0;
content:"!|0a|"; within:40;
Raw source ET MALWARE ELF/STDbot CnC Activity (UNK attack) · 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 ELF/STDbot CnC Activity (UNK attack)";
    flow:established,to_server;
    content:"PRIVMSG|20|";
    content:"|20 3a|[UNK]Hitting|20|"; fast_pattern; distance:0;
    content:"!|0a|"; within:40;
    reference:url,blog.malwaremustdie.org/2015/11/mmd-0044-2015-source-code-disclosure.html;
    classtype:command-and-control;
    sid:2022216; rev:3;
    metadata:affected_product Linux, created_at 2015_12_03, malware_family ELF_STDbot, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_19;
)

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