ET MALWARE Win32/Farfli.CUY KeepAlive M2

Query · suricata

flow:established,to_server;
content:"|68 78 20 cf 01 00 00 c0 01 00 00 01 00 00 00 cb|"; startswith; fast_pattern;
stream_size:client,>,200;
Raw source ET MALWARE Win32/Farfli.CUY KeepAlive 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 Win32/Farfli.CUY KeepAlive M2";
    flow:established,to_server;
    content:"|68 78 20 cf 01 00 00 c0 01 00 00 01 00 00 00 cb|"; startswith; fast_pattern;
    stream_size:client,>,200;
    reference:md5,87100cb600d876bd022a4d93ce6305a0;
    classtype:command-and-control;
    sid:2035880; rev:2;
    metadata:created_at 2022_04_08, malware_family Win32_Farfli_CUY, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_04_08;
)

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