ET MALWARE Netbounce Related Activity (Program Wrapper)

Query · suricata

flow:established,to_client;
http.stat_code;
content:"200";
http.content_type;
content:"application/json"; bsize:16;
file.data;
content:"|5c 5c|Trackingfolder084|5c 5c|start.txt|22 0a|"; fast_pattern;
Raw source ET MALWARE Netbounce Related Activity (Program Wrapper) · 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 $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE Netbounce Related Activity (Program Wrapper)";
    flow:established,to_client;
    http.stat_code;
    content:"200";
    http.content_type;
    content:"application/json"; bsize:16;
    file.data;
    content:"|5c 5c|Trackingfolder084|5c 5c|start.txt|22 0a|"; fast_pattern;
    reference:url,www.fortinet.com/blog/threat-research/netbounce-threat-actor-tries-bold-approach-to-evade-detection;
    reference:md5,1daccddd902156737587a2041224b46b;
    classtype:trojan-activity;
    sid:2032222; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2021_03_19, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_03_19;
)

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