alert dns $HOME_NET any -> any any (msg:"ET EXPLOIT_KIT ZPHP Domain in DNS Lookup (linhua97 .top)"; dns.query; bsize:12; content:"linhua97.top"; nocase; reference:url,www.proofpoint.com/us/blog/threat-insight/are-you-sure-your-browser-date-current-landscape-fake-browser-updates; classtype:exploit-kit; sid:2062322; rev:1; metadata:affected_product Web_Browsers, attack_target Client_Endpoint, created_at 2025_05_13, deployment Perimeter, performance_impact Low, confidence High, signature_severity Minor, tag Exploit_Kit, tag compromised_website, tag AI_Generated_Description, updated_at 2025_05_13, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1189, mitre_technique_name Drive_by_Compromise;)