alert dns $HOME_NET any -> any any (msg:"ET MALWARE OWOWA Stealer CnC Domain in DNS Lookup"; dns.query; content:"s3crt.biz"; nocase; bsize:9; reference:url,securelist.com/owowa-credential-stealer-and-remote-access/105219/; classtype:domain-c2; sid:2034833; rev:2; metadata:attack_target Server, created_at 2021_12_21, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_05_26;)