This article demonstrates a full attack chain using impacket-reg against a Windows Server 2019 domain controller, covering remote registry authentication, enumeration, credential harvesting, RDP enablement, persistence, and reverse shell execution. It also explains defensive measures for limiting RemoteRegistry abuse, protecting registry hives, and detecting malicious registry changes and outbound callbacks. #Impacket-reg #RemoteRegistry #WindowsServer2019 #DomainController #Evil-WinRM #Msfvenom #Pypykatz #SAM #SYSTEM #SECURITY
Keypoints
- Impacket-reg can authenticate with passwords, NTLM hashes, AES keys, or Kerberos ticket caches.
- Remote registry queries expose installed software, Windows services, and system configuration details.
- SAM, SYSTEM, and SECURITY hives can be backed up remotely and parsed for NTLM hashes.
- Registry writes can enable RDP and create Run key persistence for later access.
- Defenses should focus on RemoteRegistry restrictions, hive protection, credential hygiene, and registry monitoring.
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