ET MALWARE Suspected NginxSpy Related Request (Inbound)

Query · suricata

flow:established,to_server;
flowbits:set,ET.nginxspy;
http.request_line;
content:"GET / HTTP/1.0";
http.user_agent;
content:"360|20|Safe|20|Browser|20|2.0"; bsize:20; fast_pattern;
target:dest_ip;

Rule dependencies

Feeds into

Raw source ET MALWARE Suspected NginxSpy Related Request (Inbound) · Suricata
Esc
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 Suspected NginxSpy Related Request (Inbound)";
    flow:established,to_server;
    flowbits:set,ET.nginxspy;
    http.request_line;
    content:"GET / HTTP/1.0";
    http.user_agent;
    content:"360|20|Safe|20|Browser|20|2.0"; bsize:20; fast_pattern;
    reference:url,jsac.jpcert.or.jp/archive/2023/pdf/JSAC2023_2_4_peter-jr-wei_en.pdf;
    classtype:trojan-activity;
    sid:2044122; rev:1;
    metadata:attack_target Web_Server, created_at 2023_02_06, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_02_06;
    target:dest_ip;
)

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