Versions (3)
Version DetailsCurrent
Rev: 2 • Apr 20, 2023, 12:00 PMET MALWARE Cuba Ransomware Related Domain in DNS Lookup (chatgpt4beta .com)
alert dns $HOME_NET any -> any any (msg:"ET MALWARE Cuba Ransomware Related Domain in DNS Lookup (chatgpt4beta .com)"; dns.query; content:"chatgpt4beta.com"; nocase; bsize:16; reference:url,blog.google/threat-analysis-group/ukraine-remains-russias-biggest-cyber-focus-in-2023/; classtype:social-engineering; sid:2045120; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_04_20, deployment Perimeter, malware_family Cuba_Ransomware, performance_impact Low, confidence High, signature_severity Major, tag Ransomware, updated_at 2024_09_30, reviewed_at 2024_09_30;)
Apr 20, 2023, 12:00 PM
Sep 30, 2024, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-malware.rules