ET MALWARE Godzilla Webshell Interaction Attempt

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.accept_lang; bsize:59;
content:"zh-CN,zh|3b|q=0.8,zh-TW|3b|q=0.7,zh-HK|3b|q=0.5,en-US|3b|q=0.3,en|3b|q=0.2"; fast_pattern;
http.request_body;
content:"pass="; startswith;
target:dest_ip;
Raw source ET MALWARE Godzilla Webshell Interaction Attempt · 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 Godzilla Webshell Interaction Attempt";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.accept_lang; bsize:59;
    content:"zh-CN,zh|3b|q=0.8,zh-TW|3b|q=0.7,zh-HK|3b|q=0.5,en-US|3b|q=0.3,en|3b|q=0.2"; fast_pattern;
    http.request_body;
    content:"pass="; startswith;
    reference:url,www.trendmicro.com/en_us/research/24/h/godzilla-fileless-backdoors.html;
    classtype:trojan-activity;
    sid:2055652; rev:1;
    metadata:affected_product Apache_Tomcat, attack_target Web_Server, tls_state TLSDecrypt, created_at 2024_08_30, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_08_30;
    target:dest_ip;
)

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