ET EXPLOIT [CORELIGHT] RAR File ADS Path Traversal Inbound via raw tcp (CVE-2025-8088)

Query · suricata

flow:established,to_client;
app-layer-protocol:!http;
content:"|00 00 03|STM"; fast_pattern;
pcre:"/^.{2}\x3a[^\x00]{0,64}(?:\x2f|\x5c|%5[Cc]|%2[Ff])?(?:(?:\x2e|%2[Ee]){1,2}(?:\x2f|\x5c|%5[Cc]|%2[Ff]){1,}){2,}/R";
threshold:type limit, seconds 600, count 1, track by_src;
target:dest_ip;
Raw source ET EXPLOIT [CORELIGHT] RAR File ADS Path Traversal Inbound via raw tcp (CVE-2025-8088) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert tcp $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET EXPLOIT [CORELIGHT] RAR File ADS Path Traversal Inbound via raw tcp (CVE-2025-8088)";
    flow:established,to_client;
    app-layer-protocol:!http;
    content:"|00 00 03|STM"; fast_pattern;
    pcre:"/^.{2}\x3a[^\x00]{0,64}(?:\x2f|\x5c|%5[Cc]|%2[Ff])?(?:(?:\x2e|%2[Ee]){1,2}(?:\x2f|\x5c|%5[Cc]|%2[Ff]){1,}){2,}/R";
    threshold:type limit, seconds 600, count 1, track by_src;
    reference:url,travisgreen.net/2025/08/11/CVE-2025-8088.html;
    reference:cve,2025-8088;
    classtype:bad-unknown;
    sid:2063967; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2025_08_11, cve CVE_2025_8088, deployment Perimeter, performance_impact Moderate, confidence High, signature_severity Major, tag Exploit, updated_at 2025_08_11, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1189, mitre_technique_name Drive_by_Compromise;
    target:dest_ip;
)

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