ET MALWARE Amarula IRC Botnet Connection Request

Query · suricata

flow:established,to_server;
content:"|55 53 45 52 20|"; startswith;
content:"|20 3a 5a 75 4d 62 49 0a|"; endswith; fast_pattern;
Raw source ET MALWARE Amarula IRC Botnet Connection Request · 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-pkt $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Amarula IRC Botnet Connection Request";
    flow:established,to_server;
    content:"|55 53 45 52 20|"; startswith;
    content:"|20 3a 5a 75 4d 62 49 0a|"; endswith; fast_pattern;
    reference:md5,603841f6a7036311fa5bbc44d7435f83;
    reference:url,github.com/hackerama/Amarula-Python-Botnet/;
    classtype:command-and-control;
    sid:2031117; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_10_26, deployment Perimeter, confidence Medium, signature_severity Major, updated_at 2020_10_26;
)

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