alert dns $HOME_NET any -> any any (msg:"ET PHISHING Roblox Phishing Domain in DNS Lookup (rbx-url .com)"; dns.query; bsize:11; content:"rbx-url.com"; nocase; classtype:social-engineering; sid:2065755; rev:1; metadata:attack_target Client_Endpoint, created_at 2025_11_12, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Phishing, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_11_12, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1566, mitre_technique_name Phishing;)