Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE Observed DNS Query to W32/Filecoder.KY!tr.ransom Domain (e4c0660414bf .eu .ngrok .io)"; dns.query; content:"e4c0660414bf.eu.ngrok.io"; nocase; bsize:24; reference:url,www.fortinet.com/blog/threat-research/Ransomware-Roundup-Cryptonite-Ransomware; classtype:trojan-activity; sid:2040349; rev:2; metadata:attack_target Client_Endpoint, created_at 2022_11_29, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_05_30;)