alert dns $HOME_NET any -> any any (msg:"ET INFO GG Url Shortener Observed in DNS Query"; dns.query; content:"gg.gg"; nocase; bsize:5; classtype:misc-activity; sid:2029258; rev:4; metadata:attack_target Client_Endpoint, created_at 2020_01_13, deployment Perimeter, performance_impact Low, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_04_28;)