ET MALWARE DarkWay Client Checkin

Query · suricata

flow:established,to_server;
content:"|1f 8b 08 00 00 00 00 00 04 00|"; startswith; fast_pattern;
content:"|00 00|"; endswith;
Raw source ET MALWARE DarkWay Client Checkin · 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 65535 (
    msg:"ET MALWARE DarkWay Client Checkin";
    flow:established,to_server;
    content:"|1f 8b 08 00 00 00 00 00 04 00|"; startswith; fast_pattern;
    content:"|00 00|"; endswith;
    reference:md5,afe88d8042a796816c8a7251a6e2fddc;
    reference:md5,bf95d7062c1c7df67ce9fff64a213cf2;
    reference:url,twitter.com/_jsoo_/status/1423975922164633601;
    classtype:command-and-control;
    sid:2033737; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2021_08_17, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, updated_at 2021_08_17;
)

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