Rule History

SID: 2013859 • Source: et/open

Versions (5)

Version DetailsCurrent

Rev: 5 • Nov 7, 2011, 12:00 PM

Message:

ET INFO Query for Suspicious .ch.tf Domain

Rule:

alert dns $HOME_NET any -> any any (msg:"ET INFO Query for Suspicious .ch.tf Domain"; dns.query; content:".ch.tf"; fast_pattern; nocase; endswith; classtype:bad-unknown; sid:2013859; rev:5; metadata:created_at 2011_11_07, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_17, reviewed_at 2024_04_09;)

Created:

Nov 7, 2011, 12:00 PM

Updated:

Sep 17, 2020, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 30, 2025, 9:36 PM

Filename:

rules/emerging-info.rules