alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS Netcore network_tools x Parameter Command Injection Attempt (CVE-2026-94097)"; flow:established,to_server; http.method; content:"GET"; http.uri; content:"/cgi-bin/network_tools|3f|"; startswith; fast_pattern; pcre:"/^.*?(?:(?:\x3b|%3[Bb])|(?:\x0a|%0[Aa])|(?:\x60|%60)|(?:\x7c|%7[Cc])|(?:\x24|%24))+/R"; reference:url,app.notion.com/p/Netcore-NBR200V2-Vul-5-39f797159f15809dbc06d2d3ae6b1f04; reference:cve,2026-94097; classtype:attempted-admin; sid:2072121; rev:1; metadata:affected_product Netcore, attack_target Networking_Equipment, tls_state plaintext, created_at 2026_09_21, cve CVE_2026_94097, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, updated_at 2026_09_21, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)