alert dns $HOME_NET any -> any any (msg:"ET MALWARE POWERTON CnC Domain in DNS Lookup"; dns.query; content:"dailystudy.org"; nocase; bsize:14; reference:url,blog.telsy.com/meeting-powerband-the-apt33-net-powerton-variant/; classtype:domain-c2; sid:2029448; rev:2; metadata:created_at 2020_02_13, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_29;)