alert dns $HOME_NET any -> any any (msg:"ET INFO infinityfree .net Domain in DNS Lookup"; dns.query; dotprefix; content:".infinityfree.net"; nocase; endswith; reference:md5,bf3ce5b341d021b4a03123fe81aa854e; classtype:misc-activity; sid:2035538; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_03_18, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_11_21;)