Versions (4)
Version DetailsCurrent
Rev: 2 • Sep 6, 2022, 12:00 PMET INFO Observed URL Shortening Service Domain (www .temporary-url .com in TLS SNI)
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed URL Shortening Service Domain (www .temporary-url .com in TLS SNI)"; flow:established,to_server; tls.sni; content:"www.temporary-url.com"; bsize:21; fast_pattern; classtype:misc-activity; sid:2038742; rev:2; metadata:attack_target Client_Endpoint, created_at 2022_09_06, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_04_28;)
Sep 6, 2022, 12:00 PM
Apr 28, 2023, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 1, 2025, 8:35 PM
rules/emerging-info.rules