Rule History

SID: 2032798 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 1 • Apr 21, 2021, 12:00 PM

Message:

ET MALWARE Observed DNS Query to Ursnif CnC Domain (vorulenuke. us)

Rule:

alert dns $HOME_NET any -> any any (msg:"ET MALWARE Observed DNS Query to Ursnif CnC Domain (vorulenuke. us)"; dns.query; content:"vorulenuke.us"; bsize:13; fast_pattern; classtype:domain-c2; sid:2032798; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_04_21, deployment Perimeter, malware_family ursnif, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_04_21;)

Created:

Apr 21, 2021, 12:00 PM

Updated:

Apr 21, 2021, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 12, 2025, 9:34 PM

Filename:

rules/emerging-malware.rules