alert dns $HOME_NET any -> any any (msg:"ET MALWARE Observed DNS Query to LOADOUT Domain"; dns.query; dotprefix; content:".spontaneousance.com"; nocase; endswith; reference:url,mandiant.com/resources/evolution-of-fin7; classtype:trojan-activity; sid:2035734; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_04_04, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_08_01;)