Rule History

SID: 2032779 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 1 • Apr 19, 2021, 12:00 PM

Message:

ET HUNTING Malformed Domain Name in DNS Query (Domain Length Exceeds 253 Bytes)

Rule:

alert dns $HOME_NET any -> any any (msg:"ET HUNTING Malformed Domain Name in DNS Query (Domain Length Exceeds 253 Bytes)"; dns.query; bsize:>253; classtype:bad-unknown; sid:2032779; rev:1; metadata:created_at 2021_04_19, confidence High, signature_severity Minor, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_04_19;)

Created:

Apr 19, 2021, 12:00 PM

Updated:

Apr 19, 2021, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 12, 2025, 9:34 PM

Filename:

rules/emerging-hunting.rules