Rule History

SID: 2050733 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 1 • Feb 6, 2024, 12:00 PM

Message:

ET MALWARE DNS Query to Malware Delivery Domain (a0917004 .xsph .ru)

Rule:

alert dns $HOME_NET any -> any any (msg:"ET MALWARE DNS Query to Malware Delivery Domain (a0917004 .xsph .ru)"; dns.query; bsize:16; content:"a0917004.xsph.ru"; nocase; reference:url,twitter.com/Cyber0verload/status/1754913588748116080; classtype:trojan-activity; sid:2050733; rev:1; metadata:attack_target Client_Endpoint, created_at 2024_02_06, deployment Perimeter, malware_family Xworm, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_02_06;)

Created:

Feb 6, 2024, 12:00 PM

Updated:

Feb 6, 2024, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Aug 14, 2025, 9:34 PM

Filename:

rules/emerging-malware.rules