Versions (4)
Version DetailsCurrent
Rev: 2 • Jul 5, 2024, 12:00 PMET MALWARE Cryptbot CnC Domain in DNS Lookup (rzfift15ht .top)
alert dns $HOME_NET any -> any any (msg:"ET MALWARE Cryptbot CnC Domain in DNS Lookup (rzfift15ht .top)"; dns.query; dotprefix; content:".rzfift15ht.top"; nocase; endswith; reference:url,community.emergingthreats.net/t/cryptbot-stealer-update-on-rules/790/3; classtype:trojan-activity; sid:2054348; rev:2; metadata:attack_target Client_Endpoint, created_at 2024_07_05, deployment Perimeter, deprecation_reason Relevance, malware_family Cryptbot, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_04_21, reviewed_at 2025_04_21;)
Jul 5, 2024, 12:00 PM
Apr 21, 2025, 12:00 PM
Sep 21, 2024, 3:00 AM
Aug 11, 2025, 10:35 PM
rules/emerging-malware.rules