alert http any any -> $HOME_NET any (msg:"ET EXPLOIT Totolink Command Injection Attempt (CVE-2020-40475)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/downloadFile.cgi?payload="; fast_pattern; content:"|60|"; distance:0; reference:url,www.fortinet.com/blog/threat-research/Iz1h9-campaign-enhances-arsenal-with-scores-of-exploits; reference:cve,2020-40475; classtype:attempted-admin; sid:2049121; rev:2; metadata:attack_target Networking_Equipment, created_at 2023_11_08, cve CVE_2020_40475, deployment Perimeter, deployment Internal, confidence High, signature_severity Major, updated_at 2024_05_22, mitre_tactic_id TA0008, mitre_tactic_name Lateral_Movement, mitre_technique_id T1210, mitre_technique_name Exploitation_Of_Remote_Services;)