Versions (3)
Version DetailsCurrent
Rev: 1 • Sep 30, 2024, 12:00 PMET INFO Observed Commonly Actor Abused Online Service Domain (w3spaces .com in TLS SNI)
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed Commonly Actor Abused Online Service Domain (w3spaces .com in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".w3spaces.com"; endswith; fast_pattern; classtype:misc-activity; sid:2056360; rev:1; metadata:attack_target Client_Endpoint, created_at 2024_09_30, deployment Perimeter, confidence High, signature_severity Informational, tag TA_Abused_Service, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_09_30;)
Sep 30, 2024, 12:00 PM
Sep 30, 2024, 12:00 PM
Oct 1, 2024, 10:00 PM
Jul 21, 2025, 9:34 PM
rules/emerging-info.rules