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;)