alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS Totolink exportOvpn user Parameter Command Injection Attempt"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/cgi-bin/cstecgi.cgi|3f|"; startswith; content:"action|3d|exportOvpn"; fast_pattern; content:"type|3d|user"; content:"user|3d|"; distance:0; pcre:"/^[^\x26]*?(?:(?:\x3b|%3[Bb])|(?:\x0a|%0[Aa])|(?:\x60|%60)|(?:\x7c|%7[Cc])|(?:\x24|%24))+/R"; reference:url,github.com/awigwu76/TOTOLINK_X5000R?tab=readme-ov-file; classtype:attempted-admin; sid:2066676; rev:1; metadata:affected_product TOTOLINK, attack_target Networking_Equipment, tls_state plaintext, created_at 2026_01_12, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2026_01_12, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)