ET WEB_SPECIFIC_APPS Paessler PRTG Notification Command Injection Attempt (CVE-2018-9276)

alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS Paessler PRTG Notification Command Injection Attempt (CVE-2018-9276)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"/editsettings";
    http.header;
    content:"X-Requested-With|3a 20|XMLHttpRequest";
    http.request_body;
    content:"message_10|3d|"; fast_pattern;
    pcre:"/^[^\x26]*?(?:(?:\x3b|%3[Bb])|(?:\x0a|%0[Aa])|(?:\x60|%60)|(?:\x7c|%7[Cc])|(?:\x24|%24))+/R";
    reference:cve,2018-9276;
    reference:url,github.com/A1vinSmith/CVE-2018-9276/tree/main;
    classtype:attempted-admin;
    sid:2060348; rev:1;
    metadata:affected_product Paessler_PRTG, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_02_24, cve CVE_2018_9276, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag CISA_KEV, updated_at 2025_02_24, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)