Versions (4)
Version DetailsCurrent
Rev: 1 • Feb 19, 2021, 12:00 PMET MALWARE OSX/NukeSped Variant CnC Domain in DNS Lookup (globalkeystroke .com)
alert dns $HOME_NET any -> any any (msg:"ET MALWARE OSX/NukeSped Variant CnC Domain in DNS Lookup (globalkeystroke .com)"; dns.query; content:"globalkeystroke.com"; nocase; bsize:19; reference:url,us-cert.cisa.gov/ncas/analysis-reports/ar21-048e; reference:md5,451c23709ecd5a8461ad060f6346930c; classtype:domain-c2; sid:2031635; rev:1; metadata:affected_product Mac_OSX, attack_target Client_Endpoint, created_at 2021_02_19, deployment Perimeter, malware_family NukeSped, confidence High, signature_severity Major, tag Lazarus, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_02_19;)
Feb 19, 2021, 12:00 PM
Feb 19, 2021, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 15, 2025, 9:36 PM
rules/emerging-malware.rules