ET WEB_SPECIFIC_APPS H3C sys_dia_data_check file_name Parameter Directory Traversal Attempt

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/webui/|3f|g|3d|sys_dia_data_check"; fast_pattern; startswith;
content:"file_name|3d|";
pcre:"/^[^\x26]*?(?:(?:\x2e|%2[Ee]){1,2}(?:\x2f|\x5c|%5[Cc]|%2[Ff]){1,}){2,}/R";
target:dest_ip;
Raw source ET WEB_SPECIFIC_APPS H3C sys_dia_data_check file_name Parameter Directory Traversal Attempt · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS H3C sys_dia_data_check file_name Parameter Directory Traversal Attempt";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/webui/|3f|g|3d|sys_dia_data_check"; fast_pattern; startswith;
    content:"file_name|3d|";
    pcre:"/^[^\x26]*?(?:(?:\x2e|%2[Ee]){1,2}(?:\x2f|\x5c|%5[Cc]|%2[Ff]){1,}){2,}/R";
    reference:url,github.com/PeiQi0/PeiQi-WIKI-Book/tree/main/docs/wiki/iot;
    classtype:attempted-admin;
    sid:2063282; rev:1;
    metadata:affected_product H3C, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_07_03, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, updated_at 2025_07_03, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)

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