ET MALWARE Nyanw0rm CnC Keep-Alive (Outbound) M1

Query · suricata

flow:established,to_server;
dsize:16;
content:"|73 08 e2 bc 6d 8c 9d b5 85 52 b1 e1 5d 5a 9a 8e|";
Raw source ET MALWARE Nyanw0rm CnC Keep-Alive (Outbound) M1 · 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 Nyanw0rm CnC Keep-Alive (Outbound) M1";
    flow:established,to_server;
    dsize:16;
    content:"|73 08 e2 bc 6d 8c 9d b5 85 52 b1 e1 5d 5a 9a 8e|";
    reference:md5,d6db3ac5a8022184f03a34fbfdcb926d;
    classtype:command-and-control;
    sid:2027812; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2019_08_07, deployment Perimeter, confidence High, signature_severity Major, tag Nyanw0rm, updated_at 2019_08_07;
)

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