ET WEB_SPECIFIC_APPS FreePBX ajax.php endpoint module SQL Injection Attempt (CVE-2025-57819) M2

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/admin/ajax.php|3f|"; fast_pattern; startswith;
content:"module|3d|";
content:"command|3d|";
content:"model|3d|";
content:"template|3d|";
content:"brand|3d|";
pcre:"/^[^<]*?(?:\x27|%27|-{2}|%2d%2d)?(?:(?:S(?:HOW.+(?:C(?:UR(?:DAT|TIM)E|HARACTER.+SET)|(?:VARI|T)ABLES)|ELECT.+(?:FROM|USER|SLEEP|CONCAT|CASE))|U(?:NION.+SELEC|PDATE.+SE)T|DELETE.+FROM|INSERT.+INTO)|S(?:HOW.+(?:C(?:HARACTER.+SET|UR(DATE|TIME))|(?:VARI|T)ABLES)|ELECT.+(?:FROM|USER))|U(?:NION.+SELEC|PDATE.+SE)T|(?:NULL(?:\x2c|%2[cC])){2,}|(?:\x2f|%2[fF])(?:\x2a|%2[aA]).+(?:\x2a|%2[aA]).+(?:\x2f|%2[fF])|CONCAT.+SELECT|EXTRACTVALUE|UNION.+ALL)/i";
target:dest_ip;
Raw source ET WEB_SPECIFIC_APPS FreePBX ajax.php endpoint module SQL Injection Attempt (CVE-2025-57819) M2 · 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 http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS FreePBX ajax.php endpoint module SQL Injection Attempt (CVE-2025-57819) M2";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/admin/ajax.php|3f|"; fast_pattern; startswith;
    content:"module|3d|";
    content:"command|3d|";
    content:"model|3d|";
    content:"template|3d|";
    content:"brand|3d|";
    pcre:"/^[^<]*?(?:\x27|%27|-{2}|%2d%2d)?(?:(?:S(?:HOW.+(?:C(?:UR(?:DAT|TIM)E|HARACTER.+SET)|(?:VARI|T)ABLES)|ELECT.+(?:FROM|USER|SLEEP|CONCAT|CASE))|U(?:NION.+SELEC|PDATE.+SE)T|DELETE.+FROM|INSERT.+INTO)|S(?:HOW.+(?:C(?:HARACTER.+SET|UR(DATE|TIME))|(?:VARI|T)ABLES)|ELECT.+(?:FROM|USER))|U(?:NION.+SELEC|PDATE.+SE)T|(?:NULL(?:\x2c|%2[cC])){2,}|(?:\x2f|%2[fF])(?:\x2a|%2[aA]).+(?:\x2a|%2[aA]).+(?:\x2f|%2[fF])|CONCAT.+SELECT|EXTRACTVALUE|UNION.+ALL)/i";
    reference:url,labs.watchtowr.com/you-already-have-our-personal-data-take-our-phone-calls-too-freepbx-cve-2025-57819/;
    reference:cve,2025-57819;
    classtype:attempted-admin;
    sid:2064719; rev:1;
    metadata:affected_product FreePBX, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_09_16, cve CVE_2025_57819, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_09_16, 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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