Rule History

alert dns $HOME_NET any -> any any (msg:"ET MALWARE DNS Query to Emmenhtal Loader Domain (mato3 .b-cdn .net)"; dns.query; bsize:15; content:"mato3.b-cdn.net"; nocase; reference:url,www.orangecyberdefense.com/global/blog/cert-news/emmenhtal-a-little-known-loader-distributing-commodity-infostealers-worldwide; classtype:trojan-activity; sid:2055928; rev:1; metadata:attack_target Client_Endpoint, created_at 2024_09_18, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_09_18, reviewed_at 2025_04_15;)