alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS DCN ip_block.php ip Parameter Command Injection Attempt"; flow:established,to_server; http.method; content:"POST"; http.uri; bsize:46; content:"/function/audit/newstatistics/ip_block.php|3f|"; fast_pattern; http.request_body; content:"ip|3d|"; pcre:"/^[^\x26]*?(?:(?:\x3b|%3[Bb])|(?:\x0a|%0[Aa])|(?:\x60|%60)|(?:\x7c|%7[Cc])|(?:\x24|%24))+/R"; reference:url,github.com/lin-3-start/lin-cve/blob/main/DCME-720-English/DCME-720.md; classtype:attempted-admin; sid:2064065; rev:1; metadata:affected_product DCN, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_08_20, deployment Perimeter, deployment Internal, performance_impact Low, confidence High, signature_severity Major, tag Exploit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_08_20, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)