ET WEB_SPECIFIC_APPS SAP NetWeaver scheduler URI Directory Traversal Attempt (CVE-2017-12637)

alert http any any -> $HOME_NET any (
    msg:"ET WEB_SPECIFIC_APPS SAP NetWeaver scheduler URI Directory Traversal Attempt (CVE-2017-12637)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/scheduler/ui/js/ffffffffbca41eb4/UIUtilJavaScriptJS|3f|"; fast_pattern; startswith;
    pcre:"/^[^\x26]*?(?:(?:\x2e|%2[Ee]){1,2}(?:\x2f|\x5c|%5[Cc]|%2[Ff]){1,}){2,}/R";
    reference:cve,2017-12637;
    reference:url,github.com/abrewer251/CVE-2017-12637_SAP-NetWeaver-URL-Traversal;
    classtype:attempted-admin;
    sid:2071316; rev:1;
    metadata:affected_product SAP, attack_target Web_Server, tls_state plaintext, created_at 2026_07_27, cve CVE_2017_12637, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag CISA_KEV, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_07_27, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)