Versions (4)
Version DetailsCurrent
Rev: 1 • Nov 1, 2023, 12:00 PMET MALWARE Observed SockRacket/KANDYKORN Domain (bitscrunnch .linkpc .net in TLS SNI)
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed SockRacket/KANDYKORN Domain (bitscrunnch .linkpc .net in TLS SNI)"; flow:established,to_server; tls.sni; dotprefix; content:".bitscrunnch.linkpc.net"; endswith; fast_pattern; reference:url,www.elastic.co/security-labs/elastic-catches-dprk-passing-out-kandykorn; classtype:trojan-activity; sid:2049016; rev:1; metadata:attack_target Client_Endpoint, created_at 2023_11_01, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_11_01, reviewed_at 2023_12_13, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;)
Nov 1, 2023, 12:00 PM
Nov 1, 2023, 12:00 PM
Sep 21, 2024, 3:00 AM
Aug 18, 2025, 8:35 PM
rules/emerging-malware.rules