ET SCAN ntop-ng Authentication Bypass via Session ID Guessing

alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET SCAN ntop-ng Authentication Bypass via Session ID Guessing";
    flow:established,to_server;
    threshold:type threshold, track by_dst, count 255, seconds 10;
    http.uri;
    content:"/lua/network_load.lua"; fast_pattern;
    http.cookie;
    content:"session=";
    content:"user=";
    reference:cve,2018-12520;
    reference:url,exploit-db.com/exploits/44973/;
    classtype:attempted-recon;
    sid:2025780; rev:5;
    metadata:created_at 2018_07_03, cve CVE_2018_12520, deployment Perimeter, deployment Internal, deployment Datacenter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_11_26, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
    target:dest_ip;
)