Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE Crypto Drainer CnC Domain (usdc-circle .com) in DNS Lookup"; dns.query; content:"usdc-circle.com"; nocase; bsize:15; classtype:trojan-activity; sid:2044580; rev:2; metadata:attack_target Client_Endpoint, created_at 2023_03_13, deployment Perimeter, deprecation_reason Relevance, malware_family CryptoDrainer, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_05_10;)