ET MALWARE TrickBot Related Activity (GET)

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/r/tomkruzback.bazar"; fast_pattern; bsize:20;
http.host;
content:"dns.";
http.user_agent;
content:"curl/"; startswith;
http.header_names;
content:!"Referer";
content:!"Accept";
Raw source ET MALWARE TrickBot Related Activity (GET) · Suricata
Esc
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 TrickBot Related Activity (GET)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/r/tomkruzback.bazar"; fast_pattern; bsize:20;
    http.host;
    content:"dns.";
    http.user_agent;
    content:"curl/"; startswith;
    http.header_names;
    content:!"Referer";
    content:!"Accept";
    reference:md5,ad938b03f3719bf14f1e14c90a73ff2b;
    classtype:trojan-activity;
    sid:2033660; rev:2;
    metadata:attack_target Client_Endpoint, created_at 2021_07_16, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_08_04;
)

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