Versions (4)
Version DetailsCurrent
Rev: 3 • Jun 14, 2017, 12:00 PMET MALWARE DPRK HIDDEN COBRA Botnet C2 Host Beacon
alert tcp any any -> any any (msg:"ET MALWARE DPRK HIDDEN COBRA Botnet C2 Host Beacon"; flow:established,to_server; content:"|1b 17 e9 e9 e9 e9|"; depth:6; fast_pattern; reference:url,www.us-cert.gov/ncas/alerts/TA17-164A; classtype:command-and-control; sid:2024383; rev:3; metadata:attack_target Client_Endpoint, created_at 2017_06_14, deployment Perimeter, confidence Medium, signature_severity Major, tag c2, updated_at 2020_08_19, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;)
Jun 14, 2017, 12:00 PM
Aug 19, 2020, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-malware.rules