alert dns $HOME_NET any -> any any (msg:"ET MALWARE Valkyrie Stealer CnC Domain in DNS Lookup (thenewflights .xyz)"; dns.query; bsize:17; content:"thenewflights.xyz"; nocase; reference:md5,7592ee0bba0c9cae1e26de5e3a9675ef; reference:url,x.com/suyog41/status/1981257934446481622; classtype:domain-c2; sid:2065381; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_and_Server, created_at 2025_10_24, deployment Perimeter, malware_family Valkyrie_Stealer, performance_impact Low, confidence High, signature_severity Major, updated_at 2025_10_24, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1567, mitre_technique_name Exfiltration_Over_Web_Service;)