Versions (2)
Version DetailsCurrent
Rev: 1 • Apr 29, 2024, 12:00 PMET INFO Observed File Sharing Service Domain (onedriveemail .atlassian .net in TLS SNI)
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed File Sharing Service Domain (onedriveemail .atlassian .net in TLS SNI)"; flow:established,to_server; tls.sni; bsize:27; content:"onedriveemail.atlassian.net"; fast_pattern; classtype:misc-activity; sid:2052282; rev:1; metadata:attack_target Client_Endpoint, created_at 2024_04_29, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_29;)
Apr 29, 2024, 12:00 PM
Apr 29, 2024, 12:00 PM
Apr 29, 2024, 10:00 PM
Aug 11, 2025, 10:35 PM
rules/emerging-info.rules