alert ftp any any -> $HOME_NET any (msg:"ET HUNTING Generic FTP Command STOR SQLi"; flow:established,to_server; content:"|0d 0a|STOR|20|"; pcre:"/^[^\x0d\x0a]*?(?:[\x27\x22\x3b\x2a\x60]|\x20\x2d{2})/R"; reference:url,www.exploit-db.com/exploits/52658; reference:cve,2026-42167; classtype:misc-attack; sid:2072390; rev:1; metadata:attack_target FTP_Server, created_at 2026_10_08, deployment Perimeter, performance_impact Moderate, confidence High, signature_severity Minor, updated_at 2026_10_08;)