alert dns any any -> any any (msg:"🐾 - ☠ DNS request 🌐 - 🎛 C2 ♞ Dridex trojan"; dns_query; flow:to_server, stateless; content:"igpublica.com.br"; nocase; reference:url,https://www.joesandbox.com/analysis/282977/0/html; reference:url,https://malpedia.caad.fkie.fraunhofer.de/details/win.dridex; metadata:created_at 2020_09_09, updated_at 2020_09_09; sid:3306458; rev:1; classtype:trojan-activity;)