Rule History

alert tcp $EXTERNAL_NET 443 -> $HOME_NET any (msg:"ET POLICY Microsoft Online Storage Client Hello TLSv1 Possible OneDrive (storage.msn .com)"; flow:established,to_client; dsize:>19; content:"|16 03 01|"; depth:3; content:".storage.msn.com"; nocase; distance:0; reference:url,skydrive.live.com; classtype:policy-violation; sid:2014919; rev:3; metadata:created_at 2012_06_19, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)