ET WEB_SPECIFIC_APPS Palo Alto Expedition OS Command Injection (CVE-2025-0107)

alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS Palo Alto Expedition OS Command Injection (CVE-2025-0107)";
    flow:established,to_server;
    http.uri;
    content:"/API/regionsDiscovery.php|3f|"; fast_pattern;
    content:"master|3d|";
    pcre:"/^[^\x26]*?spark(?:\x3a|\x253[aA])(?:\x2f|\x252[fF]){2}/R";
    http.method;
    content:"GET";
    reference:url,ssd-disclosure.com/ssd-advisory-palo-alto-expedition-rce-regionsdiscovery/;
    reference:cve,2025-0107;
    classtype:web-application-attack;
    sid:2064937; rev:1;
    metadata:affected_product Palo_Alto_Networks, attack_target Server, tls_state TLSDecrypt, created_at 2025_09_26, cve CVE_2025_0107, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_09_26, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)