alert dns any any -> any any (msg:"🐾 - ☠ DNS request 🌐 - 🎛 C2 ♞ Emotet trojan"; dns_query; flow:to_server, stateless; content:"elx01.knas.systems"; nocase; reference:url,https://any.run/malware-trends/emotet; reference:url,https://malpedia.caad.fkie.fraunhofer.de/details/win.emotet; metadata:created_at 2020_07_31, updated_at 2020_07_31; sid:3306823; rev:1; classtype:trojan-activity;)