Rule History

alert dns $HOME_NET any -> any any (msg:"ET EXPLOIT_KIT VexTrio Domain in DNS Lookup (lookup-domain .com)"; dns.query; dotprefix; content:".lookup-domain.com"; nocase; endswith; reference:url,blogs.infoblox.com/cyber-threat-intelligence/cybercrime-central-vextrio-operates-massive-criminal-affiliate-program; reference:url,infosec.exchange/@rmceoin/111823897938910233; classtype:exploit-kit; sid:2050515; rev:2; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2024_01_26, deployment Perimeter, deprecation_reason Relevance, performance_impact Low, confidence High, signature_severity Minor, tag Exploit_Kit, tag VexTrio, tag compromised_website, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_03_26, reviewed_at 2024_03_26;)