ET EXPLOIT Fortinet FortiClient EMS SQL Injection (CVE-2023-48788)

Query · suricata

flow:established,to_server;
content:"MSG_HEADER|3a 20|FCTUID|3d|"; fast_pattern; startswith;
pcre:"/^[^\x0a]*?[\x27\x22\x3b\x2d\x5c\x2a\x2f]/R";
target:dest_ip;
Raw source ET EXPLOIT Fortinet FortiClient EMS SQL Injection (CVE-2023-48788) · 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 Fortinet FortiClient EMS SQL Injection (CVE-2023-48788)";
    flow:established,to_server;
    content:"MSG_HEADER|3a 20|FCTUID|3d|"; fast_pattern; startswith;
    pcre:"/^[^\x0a]*?[\x27\x22\x3b\x2d\x5c\x2a\x2f]/R";
    reference:url,www.horizon3.ai/attack-research/attack-blogs/cve-2023-48788-fortinet-forticlientems-sql-injection-deep-dive;
    reference:cve,2023-48788;
    classtype:attempted-admin;
    sid:2058432; rev:1;
    metadata:affected_product FortiClient_EMS, attack_target Server, tls_state TLSDecrypt, created_at 2024_12_19, cve CVE_2023_48788, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence High, signature_severity Major, tag Exploit, tag CISA_KEV, updated_at 2024_12_19, 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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