Rule History

SID: 2035669 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 1 • Mar 30, 2022, 12:00 PM

Message:

ET POLICY Pastebin-style service (note .youdao .com) in TLS SNI

Rule:

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET POLICY Pastebin-style service (note .youdao .com) in TLS SNI"; flow:established,to_server; tls.sni; content:"note.youdao.com"; fast_pattern; reference:url,twitter.com/malwrhunterteam/status/1509160261881667585; reference:md5,6cb6caeffc9a8a27b91835fdad750f90; classtype:misc-activity; sid:2035669; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_03_30, deployment Perimeter, performance_impact Low, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_03_30;)

Created:

Mar 30, 2022, 12:00 PM

Updated:

Mar 30, 2022, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 4, 2025, 9:34 PM

Filename:

rules/emerging-policy.rules