Rule History

alert dns $HOME_NET any -> any any (msg:"ET INFO URL Shortener Service Domain in DNS Lookup (u .to)"; dns.query; content:"u.to"; nocase; bsize:4; reference:md5,8c57fcf51e1d0f3fc1e1775d9fc624df; classtype:misc-activity; sid:2035281; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_02_23, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_02_23, reviewed_at 2024_10_14;)