alert dns $HOME_NET any -> any any (msg:"ET MALWARE ZPHP CnC Domain in DNS Lookup (dfwreds .com)"; dns.query; bsize:11; content:"dfwreds.com"; nocase; reference:url,www.proofpoint.com/us/blog/threat-insight/are-you-sure-your-browser-date-current-landscape-fake-browser-updates; reference:url,infosec.exchange/@monitorsg/112762362645501117; classtype:domain-c2; sid:2054426; rev:1; metadata:created_at 2024_07_10, performance_impact Low, confidence High, signature_severity Critical, tag compromised_website, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_07_10;)