Rule History

SID: 2029191 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 2 • Dec 23, 2019, 12:00 PM

Message:

ET HUNTING Suspicious TLS SNI Request for Root

Rule:

alert tls any any -> any any (msg:"ET HUNTING Suspicious TLS SNI Request for Root"; flow:established,to_server; tls.sni; content:"Root"; depth:4; endswith; nocase; classtype:bad-unknown; sid:2029191; rev:2; metadata:attack_target Client_Endpoint, created_at 2019_12_23, deployment Perimeter, deployment Internal, confidence Medium, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_26;)

Created:

Dec 23, 2019, 12:00 PM

Updated:

Oct 26, 2020, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 22, 2025, 9:34 PM

Filename:

rules/emerging-hunting.rules