Rule History

SID: 2050133 • Source: et/open

Versions (2)

Version DetailsCurrent

Rev: 1 • Jan 17, 2024, 12:00 PM

Message:

ET INFO Observed URL Shortening Service Domain (shorturl .at) in TLS SNI

Rule:

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET INFO Observed URL Shortening Service Domain (shorturl .at) in TLS SNI"; flow:established,to_server; tls.sni; bsize:11; content:"shorturl.at"; fast_pattern; reference:url,tinyurl.com/mtsk2f3h; classtype:misc-activity; sid:2050133; rev:1; metadata:affected_product Any, attack_target Client_Endpoint, created_at 2024_01_17, cve CVE_2023_36025, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, updated_at 2025_01_10;)

Created:

Jan 17, 2024, 12:00 PM

Updated:

Jan 10, 2025, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

May 30, 2025, 12:04 AM

Filename:

rules/emerging-info.rules