ET MALWARE Void Rabisu Related Loader Activity (GET)

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"https|3a 2f 2f|"; startswith; fast_pattern;
http.protocol;
content:!"HTTP/";
http.header_names;
content:!"Referer";
target:src_ip;
Raw source ET MALWARE Void Rabisu Related Loader Activity (GET) · 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 Void Rabisu Related Loader Activity (GET)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"https|3a 2f 2f|"; startswith; fast_pattern;
    http.protocol;
    content:!"HTTP/";
    http.header_names;
    content:!"Referer";
    reference:url,www.trendmicro.com/en_us/research/23/j/void-rabisu-targets-female-leaders-with-new-romcom-variant.html;
    classtype:trojan-activity;
    sid:2049651; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2023_12_12, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_12_12;
    target:src_ip;
)

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