Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE DNS Query for Suspicious crptarv4hcu24ijv Domain - CryptoWall Domains"; dns_query; content:"crptarv4hcu24ijv"; depth:16; fast_pattern; nocase; reference:url,blogs.cisco.com/security/talos/cryptowall-2; reference:url,researchcenter.paloaltonetworks.com/2014/10/tracking-new-ransomware-cryptowall-2-0/; classtype:misc-activity; sid:2020280; rev:3; metadata:created_at 2015_01_23, confidence Medium, signature_severity Major, updated_at 2019_08_30;)