MITIGATION
• Disable LLMRN, NBT-NS and MDNS
• Disable IPv6 if not in use
• Set ms-DS-MachineAccountQuota to 0
• Monitor and alert on event ID 5136 or 4662 (match msDS-AllowedToActOnBehalfOfOtherIdentity)
• Monitor and alert on event ID 5136 or 4662 (match msDS-KeyCredentialLink)
• Monitor and alert on event ID 4768 (PKINIT authentication)
• Enable and require SMB and LDAP signing
• Consider implementing EPA (Enhanced Protection for Authentication)
• Ensure to enable local host firewall
• Implement network segmentation
• Consider disabling the WebDAV client (WebClient service)
• Implement RPC firewall rule, alert and monitor malicious RPC activities
• Consider disabling the Print Spooler Service.
• Configure privileged accounts as “Account is sensitive and cannot be delegated”
• Configure privileged accounts into the “Protected Users group”
• Consider removing the ADCS HTTP endpoint if not required (ADCS)
• Consider manual manager approval steps where they make sense (ADCS)
• Audit and review your ADCS templates and servers' permissions
Взято из презентации
#Кибербезопасность #Экспертам