Versions (4)
Version DetailsCurrent
Rev: 1 • Aug 29, 2022, 12:00 PMET INFO Observed Collaboration/File Sharing Platform Domain (www .notion .so in TLS SNI)
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed Collaboration/File Sharing Platform Domain (www .notion .so in TLS SNI)"; flow:established,to_server; tls.sni; content:"www.notion.so"; bsize:13; fast_pattern; classtype:bad-unknown; sid:2038646; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_08_29, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_08_29;)
Aug 29, 2022, 12:00 PM
Aug 29, 2022, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 1, 2025, 8:35 PM
rules/emerging-info.rules