Rule History

SID: 2035217 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 2 • Feb 18, 2022, 12:00 PM

Message:

ET DELETED test CnC Domain in DNS Lookup

Rule:

alert dns $HOME_NET any -> any any (msg:"ET DELETED test CnC Domain in DNS Lookup"; dns.query; dotprefix; content:".to.sv"; nocase; endswith; classtype:trojan-activity; sid:2035217; rev:2; metadata:attack_target Client_Endpoint, created_at 2022_02_18, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_02_22;)

Created:

Feb 18, 2022, 12:00 PM

Updated:

Feb 22, 2022, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 5, 2025, 9:34 PM

Filename:

rules/emerging-deleted.rules