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;
)