ET MALWARE J-Spy JSP webshell request

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:".jsp"; endswith;
http.referer;
content:".jsp"; endswith;
http.request_body;
content:"action="; fast_pattern; startswith;
pcre:"/^(?:FileManager|PortScan|ExecuteCommand|DatabaseManager)/R";
Raw source ET MALWARE J-Spy JSP webshell request · 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 J-Spy JSP webshell request";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:".jsp"; endswith;
    http.referer;
    content:".jsp"; endswith;
    http.request_body;
    content:"action="; fast_pattern; startswith;
    pcre:"/^(?:FileManager|PortScan|ExecuteCommand|DatabaseManager)/R";
    reference:url,github.com/dingody/jspy;
    classtype:trojan-activity;
    sid:2036648; rev:1;
    metadata:attack_target Web_Server, created_at 2022_05_20, deployment Perimeter, deployment SSLDecrypt, malware_family J_spy, performance_impact Low, confidence High, signature_severity Major, tag WebShell, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_05_20;
)

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