Versions (4)
Version DetailsCurrent
Rev: 2 • Jul 7, 2020, 12:00 PMET MALWARE Magecart/Skimmer Domain in DNS Lookup (cddn .site)
alert dns $HOME_NET any -> any any (msg:"ET MALWARE Magecart/Skimmer Domain in DNS Lookup (cddn .site)"; dns.query; content:"cddn.site"; nocase; bsize:9; reference:url,blog.malwarebytes.com/threat-analysis/2020/06/web-skimmer-hides-within-exif-metadata-exfiltrates-credit-cards-via-image-files/; classtype:trojan-activity; sid:2030480; rev:2; metadata:attack_target Client_Endpoint, created_at 2020_07_07, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_11_17;)
Jul 7, 2020, 12:00 PM
Nov 17, 2020, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 17, 2025, 9:34 PM
rules/emerging-malware.rules