Versions (3)
Version DetailsCurrent
Rev: 1 • Jan 31, 2024, 12:00 PMET MALWARE DNS Query to Malicious Domain (pdfmicrosoft .ddns .net)
alert dns $HOME_NET any -> any any (msg:"ET MALWARE DNS Query to Malicious Domain (pdfmicrosoft .ddns .net)"; dns.query; bsize:21; content:"pdfmicrosoft.ddns.net"; nocase; classtype:trojan-activity; sid:2050630; rev:1; metadata:attack_target Client_Endpoint, created_at 2024_01_31, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_01_31;)
Jan 31, 2024, 12:00 PM
Jan 31, 2024, 12:00 PM
Sep 21, 2024, 3:00 AM
Aug 14, 2025, 9:34 PM
rules/emerging-malware.rules