alert dns $HOME_NET any -> any any (msg:"ET RETIRED DCRAT CnC Domain in DNS Lookup (akamaitechcdns .com)"; dns.query; bsize:18; content:"akamaitechcdns.com"; nocase; reference:md5,1412faf1bfd96e91340cedcea80ee09d; classtype:domain-c2; sid:2048099; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_09_15, deployment Perimeter, former_category MALWARE, malware_family DCRat, performance_impact Low, confidence High, signature_severity Major, updated_at 2025_07_14, reviewed_at 2025_07_14;)