ET MALWARE Trojan.Win32.Codenox.gyezu CnC Activity

Query · suricata

flow:established,to_server;
http.request_line;
content:"GET /__wendaoQuery.ashx?t=getcoklist&area="; startswith; fast_pattern;
content:"&tb=";
content:"&min=";
content:"&rnd=";
content:" HTTP/1.1"; distance:18; within:9; endswith;
Raw source ET MALWARE Trojan.Win32.Codenox.gyezu CnC Activity · 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 http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Trojan.Win32.Codenox.gyezu CnC Activity";
    flow:established,to_server;
    http.request_line;
    content:"GET /__wendaoQuery.ashx?t=getcoklist&area="; startswith; fast_pattern;
    content:"&tb=";
    content:"&min=";
    content:"&rnd=";
    content:" HTTP/1.1"; distance:18; within:9; endswith;
    reference:md5,2c8495e13ba334324574be52dbdce173;
    classtype:command-and-control;
    sid:2030918; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2020_09_29, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_29;
)

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