Versions (3)
Version DetailsCurrent
Rev: 2 • May 24, 2023, 12:00 PMET MALWARE DNS Query to Cobalt Strike Domain (iconnectgs .com)
alert dns $HOME_NET any -> any any (msg:"ET MALWARE DNS Query to Cobalt Strike Domain (iconnectgs .com)"; dns.query; bsize:14; content:"iconnectgs.com"; nocase; reference:url,thedfirreport.com/2023/05/22/icedid-macro-ends-in-nokoyawa-ransomware/; classtype:trojan-activity; sid:2045849; rev:2; metadata:attack_target Client_Endpoint, created_at 2023_05_24, deployment Perimeter, deprecation_reason Age, malware_family Cobalt_Strike, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_09_19, reviewed_at 2023_09_19;)
May 24, 2023, 12:00 PM
Sep 19, 2023, 12:00 PM
Sep 21, 2024, 3:00 AM
Aug 22, 2025, 9:34 PM
rules/emerging-malware.rules