[WINDOWS-MALWARE] Ransomware file extension detected (.R16m01d05)

alert any $HOME_NET any -> $HOME_NET any (msg:"[WINDOWS-MALWARE] Ransomware file extension detected (.R16m01d05)"; program:*Security*; json_map:"event_id",".EventID"; json_map:"username",".Computer"; json_map:"message",".RenderedDescription"; event_id:4663,567,5145; content:".R16m01d05 "; nocase; after: track by_username, count 25, seconds 3600; threshold: type suppress, track by_username, count 25, seconds 3600; classtype:ransomware; sid:5008886; metadata: created_on 2022_11_22, old_sid 5006810; rev:2;)