ET WEB_SPECIFIC_APPS Yi IOT XY-3820 Daemon Service Directory Traversal Attempt

Query · suricata

flow:established,to_server;
pcre:"/[^\x26]*?(?:(?:\x2e|%2[Ee]){1,2}(?:\x2f|\x5c|%5[Cc]|%2[Ff]){1,}){2,}/";
content:"/usr/bin/cmd"; fast_pattern; endswith;
target:dest_ip;
Raw source ET WEB_SPECIFIC_APPS Yi IOT XY-3820 Daemon Service Directory Traversal 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 tcp any any -> $HOME_NET 6789 (
    msg:"ET WEB_SPECIFIC_APPS Yi IOT XY-3820 Daemon Service Directory Traversal Attempt";
    flow:established,to_server;
    pcre:"/[^\x26]*?(?:(?:\x2e|%2[Ee]){1,2}(?:\x2f|\x5c|%5[Cc]|%2[Ff]){1,}){2,}/";
    content:"/usr/bin/cmd"; fast_pattern; endswith;
    reference:cve,2025-29660;
    reference:url,github.com/Yasha-ops/RCE-YiIOT;
    classtype:attempted-admin;
    sid:2061774; rev:1;
    metadata:affected_product IP_Camera, attack_target IoT, tls_state plaintext, created_at 2025_04_21, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, updated_at 2025_04_21, 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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