Rule History

alert dns $HOME_NET any -> any any (msg:"ET WEB_CLIENT Suspected Credit Card Stealer Related Domain Domain in DNS Lookup (byvlsa .com)"; dns.query; bsize:10; content:"byvlsa.com"; nocase; classtype:domain-c2; sid:2045973; rev:2; metadata:attack_target Client_Endpoint, created_at 2023_05_31, deployment Perimeter, deprecation_reason Age, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_01_02, reviewed_at 2024_01_02;)