Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE Observed DNS Query to UNC3890 Domain (rnfacebook .com)"; dns.query; dotprefix; content:".rnfacebook.com"; nocase; endswith; reference:url,www.mandiant.com/resources/suspected-iranian-actor-targeting-israeli-shipping; classtype:trojan-activity; sid:2038560; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_08_18, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_08_18;)