alert http any any -> $HOME_NET any (
msg:"ET WEB_SPECIFIC_APPS Guetebruck param.cgi group Parameter SQL Injection Attempt (CVE-2025-12463)";
flow:established,to_server;
http.method;
content:"POST";
http.uri; bsize:26;
content:"/uapi-cgi/viewer/param.cgi"; fast_pattern;
http.request_body;
content:"group|3d|";
pcre:"/^.*?CDATA.*?(?:\x27|%27|-{2}|%2d%2d)?(?:(?:1|%31).*?(?:(?:\x3d|%3[dD]).*?(?:1|%31))|(?: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)/Ri";
reference:url,blog.blacklanternsecurity.com/p/cve-2025-12463-98-unauthenticated;
reference:cve,2025-12463;
classtype:attempted-admin;
sid:2065636; rev:1;
metadata:affected_product Guetebruck, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_11_03, cve CVE_2025_12463, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_11_03, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
target:dest_ip;
)