Rule History

SID: 2049679 • Source: et/open

Versions (2)

Version DetailsCurrent

Rev: 1 • Dec 12, 2023, 12:00 PM

Message:

ET INFO URL Shortener Service Domain in TLS SNI (bulkurlshortener .com)

Rule:

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO URL Shortener Service Domain in TLS SNI (bulkurlshortener .com)"; flow:established,to_server; tls.sni; bsize:20; content:"bulkurlshortener.com"; fast_pattern; classtype:misc-activity; sid:2049679; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_12_12, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_12_12, reviewed_at 2024_03_19;)

Created:

Dec 12, 2023, 12:00 PM

Updated:

Dec 12, 2023, 12:00 PM

DB Created:

Dec 12, 2023, 11:00 PM

DB Updated:

Aug 18, 2025, 8:35 PM

Filename:

rules/emerging-info.rules