ET MALWARE Nyanw0rm CnC Keep-Alive (Outbound) M2

Query · suricata

flow:established,to_server;
dsize:16;
content:"|49 42 d4 b5 38 70 fe 86 2a 4e d2 73 0d 95 79 e5|";
Raw source ET MALWARE Nyanw0rm CnC Keep-Alive (Outbound) M2 · 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) M2";
    flow:established,to_server;
    dsize:16;
    content:"|49 42 d4 b5 38 70 fe 86 2a 4e d2 73 0d 95 79 e5|";
    reference:md5,5c12015ebeb755c0b6029468a13e59a9;
    classtype:command-and-control;
    sid:2027813; 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;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.