ET WEB_SPECIFIC_APPS QNAP QTS/QuTS Decrypt File (CVE-2024-53691)

Query · suricata

flow:established,to_server;
flowbits:isset,ET.QNAP.CVE-2024-53691.Overwrite;
http.method;
content:"GET";
http.uri;
content:"/cgi-bin/filemanager/utilRequest.cgi?"; fast_pattern;
content:"func|3d|cipher";
content:"subfunc|3d|decrypt";
http.request_body;
content:"mode|3d|0";
content:"keep|3d|1";
target:dest_ip;

Rule dependencies

⚠ Higher-order rule. It fires on other rules' alerts, not on raw events, so it cannot fire on its own. Deploy the rules it depends on too.

Depends on

Raw source ET WEB_SPECIFIC_APPS QNAP QTS/QuTS Decrypt File (CVE-2024-53691) · Suricata
Esc
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 WEB_SPECIFIC_APPS QNAP QTS/QuTS Decrypt File (CVE-2024-53691)";
    flow:established,to_server;
    flowbits:isset,ET.QNAP.CVE-2024-53691.Overwrite;
    http.method;
    content:"GET";
    http.uri;
    content:"/cgi-bin/filemanager/utilRequest.cgi?"; fast_pattern;
    content:"func|3d|cipher";
    content:"subfunc|3d|decrypt";
    http.request_body;
    content:"mode|3d|0";
    content:"keep|3d|1";
    reference:url,github.com/C411e/CVE-2024-53691;
    reference:cve,2024-53691;
    classtype:web-application-attack;
    sid:2059747; rev:1;
    metadata:affected_product QNAP, attack_target Server, tls_state TLSDecrypt, created_at 2025_01_29, cve CVE_2024_53691, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence High, signature_severity Major, tag Exploit, updated_at 2025_01_29, 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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