Rule History

SID: 2036418 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 1 • Apr 28, 2022, 12:00 PM

Message:

ET MALWARE China Based APT Related Domain in DNS Lookup (p1 .offline-microsoft .com)

Rule:

alert dns $HOME_NET any -> any any (msg:"ET MALWARE China Based APT Related Domain in DNS Lookup (p1 .offline-microsoft .com)"; dns.query; content:"p1.offline-microsoft.com"; nocase; bsize:24; reference:md5,04b8a9e6f70e567a99ea728b9f0dee18; reference:md5,ee3f5fa62fc6faa7d130c26e03e148e2; reference:url,twitter.com/h2jazi/status/1519769346867879938; classtype:domain-c2; sid:2036418; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_04_28, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_04_28;)

Created:

Apr 28, 2022, 12:00 PM

Updated:

Apr 28, 2022, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 3, 2025, 8:34 PM

Filename:

rules/emerging-malware.rules