Rule History

SID: 2034098 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 1 • Oct 4, 2021, 12:00 PM

Message:

ET HUNTING Observed AutoDesk Domain in TLS SNI (api .autodesk .com)

Rule:

alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET HUNTING Observed AutoDesk Domain in TLS SNI (api .autodesk .com)"; flow:established,to_server; tls.sni; content:"developer.api.autodesk.com"; bsize:26; fast_pattern; classtype:bad-unknown; sid:2034098; rev:1; metadata:attack_target Client_Endpoint, created_at 2021_10_04, deployment Perimeter, confidence High, signature_severity Major, tag SSL_Malicious_Cert, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_10_04;)

Created:

Oct 4, 2021, 12:00 PM

Updated:

Oct 4, 2021, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 8, 2025, 9:34 PM

Filename:

rules/emerging-hunting.rules