alert http any any -> $HOME_NET any (
msg:"ET WEB_SPECIFIC_APPS GLPI Authenticated Server-Side Request Forgery via Arbitrary Object Instantiation (CVE-2024-27098)";
flow:established,to_server;
http.uri;
content:"/front/itilsolution.form.php"; fast_pattern;
http.request_body;
content:"items_id|3d|";
pcre:"/^[^&]*?\w+\x3a\x2f{2}/R";
reference:url,blog.quarkslab.com/exploiting-glpi-during-a-red-team-engagement.html;
reference:cve,2024-27098;
classtype:web-application-attack;
sid:2067157; rev:1;
metadata:affected_product GLPI, attack_target Server, tls_state TLSDecrypt, created_at 2026_01_28, cve CVE_2024_27098, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence High, signature_severity Major, tag Exploit, updated_at 2026_01_28, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
target:dest_ip;
)