Rule History

alert dns $HOME_NET any -> any any (msg:"ET INFO Commonly Actor Abused Online Service Domain (usrfiles .com)"; dns.query; dotprefix; content:".usrfiles.com"; nocase; endswith; reference:md5,d1528b4fd48104873a60abd4c5477d8d; classtype:misc-activity; sid:2054539; rev:1; metadata:attack_target Client_Endpoint, created_at 2024_07_17, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_07_17;)