ET WEB_SERVER SonicWall SMA Unauthenticated sonicfiles RAC_DOWNLOAD_TAR Method Arbitrary File Deletion

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"/fileshare/sonicfiles"; fast_pattern;
content:"RacNumber|3d|44";
content:"Arg1|3d|";
pcre:"/^[a-z]+\x3a\x2f{2}/R";
content:"swcctn|3d|";
content:"timestamp|3d|";
pcre:"/^[^&]*?(?:(?:\x2e|%2[Ee]){1,2}(?:\x2f|\x5c|%5[Cc]|%2[Ff]){1,}){2,}/R";
target:dest_ip;
Raw source ET WEB_SERVER SonicWall SMA Unauthenticated sonicfiles RAC_DOWNLOAD_TAR Method Arbitrary File Deletion · 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_SERVER SonicWall SMA Unauthenticated sonicfiles RAC_DOWNLOAD_TAR Method Arbitrary File Deletion";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/fileshare/sonicfiles"; fast_pattern;
    content:"RacNumber|3d|44";
    content:"Arg1|3d|";
    pcre:"/^[a-z]+\x3a\x2f{2}/R";
    content:"swcctn|3d|";
    content:"timestamp|3d|";
    pcre:"/^[^&]*?(?:(?:\x2e|%2[Ee]){1,2}(?:\x2f|\x5c|%5[Cc]|%2[Ff]){1,}){2,}/R";
    reference:url,www.nccgroup.com/us/research-blog/technical-advisory-sonicwall-sma-100-series-unauthenticated-arbitrary-file-deletion/;
    classtype:web-application-attack;
    sid:2061722; rev:2;
    metadata:affected_product SonicWall, attack_target Server, tls_state TLSDecrypt, created_at 2025_04_17, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_10_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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