Rule History

SID: 2025096 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 5 • Dec 1, 2017, 12:00 PM

Message:

ET INFO DNS Query to .onion proxy Domain (onion .casa in DNS Lookup)

Rule:

alert dns $HOME_NET any -> any any (msg:"ET INFO DNS Query to .onion proxy Domain (onion .casa in DNS Lookup)"; dns.query; content:"onion.casa"; endswith; reference:url,en.wikipedia.org/wiki/Tor_(anonymity_network); classtype:misc-activity; sid:2025096; rev:5; metadata:created_at 2017_12_01, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_06_23;)

Created:

Dec 1, 2017, 12:00 PM

Updated:

Jun 23, 2023, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 29, 2025, 9:34 PM

Filename:

rules/emerging-info.rules