alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS Evertz SDVN Authentication Bypass + Command Injection Attempt M2 (CVE-2025-4009)"; flow:established,to_server; xbits:isset,ET.CVE-2025-4009.attempt, track ip_dst; http.method; content:"GET"; http.uri; content:"/v.1.5/php/features/feature-transfer-export.php?"; fast_pattern; startswith; content:"action|3d|"; pcre:"/^[^\x26]*?(?:(?:\x3b|%3[Bb])|(?:\x0a|%0[Aa])|(?:\x60|%60)|(?:\x7c|%7[Cc])|(?:\x24|%24))+/R"; reference:cve,2025-4009; reference:url,www.onekey.com/resource/security-advisory-remote-code-execution-on-evertz-svdn-cve-2025-4009; classtype:attempted-admin; sid:2063274; rev:1; metadata:affected_product Evertz, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_07_02, cve CVE_2025_4009, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, updated_at 2025_07_02, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)