ET MALWARE Win32.Zegost CnC Checkin

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/?client="; startswith;
content:"&v="; distance:0;
content:"&con=request&rtm="; distance:0; fast_pattern;
content:"&apn="; distance:0;
content:"&cm="; distance:0;
content:"&cu="; distance:0;
content:"&cos="; distance:0;
content:"&ctc="; distance:0;
content:"&cws="; distance:0;
content:"&cpn="; distance:0;
Raw source ET MALWARE Win32.Zegost CnC 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 http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Win32.Zegost CnC Checkin";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/?client="; startswith;
    content:"&v="; distance:0;
    content:"&con=request&rtm="; distance:0; fast_pattern;
    content:"&apn="; distance:0;
    content:"&cm="; distance:0;
    content:"&cu="; distance:0;
    content:"&cos="; distance:0;
    content:"&ctc="; distance:0;
    content:"&cws="; distance:0;
    content:"&cpn="; distance:0;
    reference:md5,e92bd6ef4b93409df37e14e08ffc684e;
    classtype:command-and-control;
    sid:2037025; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_06_16, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_06_16;
)

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