Rule History

alert dns $HOME_NET any -> any any (msg:"ET HUNTING Observed DNS Query to Valve Steam Store (store .steampowered .com)"; dns.query; bsize:24; content:"store.steampowered.com"; nocase; threshold:type limit,count 1,seconds 300,track by_src; classtype:misc-activity; sid:2064971; rev:1; metadata:attack_target Client_Endpoint, created_at 2025_08_11, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_09_30; target:src_ip;)