Rule History

alert dns $HOME_NET any -> any any (msg:"ET DELETED Observed DNS Query to W32/Filecoder.KY!tr.ransom Domain (81 .59 .117 .34 .bc .googleusercontent .com)"; dns.query; content:"81.59.117.34.bc.googleusercontent.com"; nocase; bsize:37; reference:url,www.fortinet.com/blog/threat-research/Ransomware-Roundup-Cryptonite-Ransomware; classtype:trojan-activity; sid:2040350; rev:2; metadata:attack_target Client_Endpoint, created_at 2022_11_29, deployment Perimeter, deprecation_reason False_Positive, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_04_17;)