Rule History

SID: 2034538 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 1 • Nov 23, 2021, 12:00 PM

Message:

ET MALWARE SideCopy Related Domain in DNS Lookup (securedesk .one)

Rule:

alert dns $HOME_NET any -> any any (msg:"ET MALWARE SideCopy Related Domain in DNS Lookup (securedesk .one)"; dns.query; content:"securedesk.one"; nocase; bsize:14; reference:url,twitter.com/h2jazi/status/1460744936635224064; reference:md5,a42ea41f21e36173bb0fc268262a15ae; classtype:domain-c2; sid:2034538; rev:1; metadata:attack_target Client_Endpoint, created_at 2021_11_23, deployment Perimeter, malware_family SideCopy, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_11_23;)

Created:

Nov 23, 2021, 12:00 PM

Updated:

Nov 23, 2021, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 8, 2025, 9:34 PM

Filename:

rules/emerging-malware.rules