Versions (3)
Version DetailsCurrent
Rev: 1 • Feb 1, 2024, 12:00 PMET INFO Observed URL Shortening Service Domain (ddsl .me in TLS SNI)
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed URL Shortening Service Domain (ddsl .me in TLS SNI)"; flow:established,to_server; tls.sni; bsize:7; content:"ddsl.me"; fast_pattern; classtype:misc-activity; sid:2050662; rev:1; metadata:attack_target Client_Endpoint, created_at 2024_02_01, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_02_01, reviewed_at 2024_05_06;)
Feb 1, 2024, 12:00 PM
Feb 1, 2024, 12:00 PM
Feb 1, 2024, 10:00 PM
Aug 14, 2025, 9:34 PM
rules/emerging-info.rules