alert dns $HOME_NET any -> any any (msg:"ET EXPLOIT_KIT Malicious Google Ad Domain in DNS Lookup (asana .wf)"; dns.query; bsize:8; content:"asana.wf"; nocase; reference:url,www.threatdown.com/blog/corporate-users-targeted-via-malicious-ads-and-modals/; classtype:exploit-kit; sid:2052340; rev:2; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2024_05_01, deployment Perimeter, deprecation_reason Relevance, performance_impact Low, confidence High, signature_severity Minor, tag Exploit_Kit, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_07_09, reviewed_at 2024_07_09;)