alert http any any -> $HOME_NET any (msg:"ET WEB_SPECIFIC_APPS Synology Driver Server CRLF Injection (CVE-2024-50629)"; flow:established,to_server; http.uri; content:"/webapi/entry.cgi"; startswith; http.request_body; content:"api|3d|SYNO.API.Auth.RedirectURI"; fast_pattern; content:"redirect_url|3d|"; pcre:"/^[^&]*?\x25(?:25)?0[dD]\x25(?:25)?0[aA]/R"; reference:url,kiddo-pwn.github.io/blog/2025-11-30/writing-sync-popping-cron; reference:cve,2024-50629; classtype:web-application-attack; sid:2066036; rev:1; metadata:affected_product Synology, attack_target Server, tls_state TLSDecrypt, created_at 2025_12_05, cve CVE_2024_50629, deployment Perimeter, deployment Internal, deployment SSLDecrypt, confidence High, signature_severity Major, tag Exploit, updated_at 2025_12_05, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application; target:dest_ip;)