ET RETIRED Win32/TrojanDownloader.VB.RTN Payload Delivery Request

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/0x/?0="; fast_pattern; startswith;
http.header_names;
content:!"Referer";
content:!"User-Agent";
Raw source ET RETIRED Win32/TrojanDownloader.VB.RTN Payload Delivery Request · 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 RETIRED Win32/TrojanDownloader.VB.RTN Payload Delivery Request";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/0x/?0="; fast_pattern; startswith;
    http.header_names;
    content:!"Referer";
    content:!"User-Agent";
    reference:md5,72fe7aaf98c8321334a2347901e10559;
    reference:url,blog.talosintelligence.com/2022/08/modernloader-delivers-multiple-stealers.html;
    classtype:trojan-activity;
    sid:2038808; rev:2;
    metadata:attack_target Client_Endpoint, created_at 2022_09_12, deployment Perimeter, former_category MALWARE, malware_family TrojanDownloader_VB_RTN, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_09_17, reviewed_at 2024_09_17;
)

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