alert dns $HOME_NET any -> any any (msg:"ET MALWARE ACR Stealer CnC Domain in DNS Lookup (pcvvf .xyz)"; dns.query; bsize:9; content:"pcvvf.xyz"; nocase; reference:url,www.fortinet.com/blog/threat-research/exploiting-cve-2024-21412-stealer-campaign-unleashed; classtype:command-and-control; sid:2054836; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2024_08_01, deployment Perimeter, malware_family ACR_Stealer, performance_impact Low, confidence High, signature_severity Major, updated_at 2024_10_04, reviewed_at 2024_10_04;)