Interfaces Registry Key
The Interfaces
registry key will provide information regarding the systems attached network interface adatpers, such as IP address and MAC address.
Analysis Value
🖥️System EnumerationOperating System Availability
Windows 11
✅
Server 2019
✅
Windows 10
✅
Server 2016
✅
Windows 8
✅
Server 2012
✅
Windows 7
✅
Server 2008
✅
Windows Vista
✅
Server 2003
✅
Windows XP
✅
Artifact Location(s)
File:
%SystemRoot%\System32\config\SYSTEM
Key:
SYSTEM\{CURRENT_CONTROL_SET}\Services\Tcpip\Parameters\Interfaces\{INTERFACE_GUID}
Artifact Parsers
RegistryExplorer (Eric Zimmerman)
Artifact Interpretation
Each interface will have its own dedicated registry key, and may contain the following values of interest:
DhcpDomain
REG_SZ
DHCP option 15 - the domain name of the endpoints FQDN
DhcpIPAddress
REG_SZ
The DHCP - provided IP address of the endpoint
DhcpServer
REG_SZ
The DHCP server that provided the endpoint its network configuration
EnableDHCP
REG_DWORD
0x0 if DHCP is disabled and 0x1 if DHCP is enabled
LeaseObtainedTime
REG_DWORD
FILETIME timestamp of when the endpoint received a DHCP lease
LeaseTerminatesTime
REG_DWORD
FILETIME timestamp of when the endpoint's DHCP lease expires
Example
PS> Get-ItemProperty -Path "HKLM:\SYSTEM\CurrentControlSet\Services\Tcpip\Parameters\Interfaces\{a7d8885d-10c1-43d4-9e1e-0a7b2678f020}" -Name *
EnableDHCP : 1
Domain :
NameServer :
DhcpServer : 10.100.0.1
Lease : 172800
LeaseObtainedTime : 1687622031
T1 : 1687708431
T2 : 1687773231
LeaseTerminatesTime : 1687794831
AddressType : 0
IsServerNapAware : 0
DhcpConnForceBroadcastFlag : 0
IPAddress : {}
SubnetMask : {}
DefaultGateway : {}
DefaultGatewayMetric : {}
RegistrationEnabled : 1
RegisterAdapterName : 0
DhcpInterfaceOptions : {252, 0, 0, 0...}
DhcpDefaultGateway : {10.100.0.1}
DhcpNameServer : 10.100.0.10 10.100.0.10
DhcpSubnetMaskOpt : {255.255.0.0}
DhcpIPAddress : 10.100.65.234
DhcpSubnetMask : 255.255.0.0
DhcpGatewayHardware : {10, 100, 0, 1...}
DhcpGatewayHardwareCount : 1
Correlating with the NetworkCards registry key:
PS> Get-ItemProperty -Path "HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion\NetworkCards\" -Name *
ServiceName : {A7D8885D-10C1-43D4-9E1E-0A7B2678F020}
Description : Intel(R) Wi-Fi 6 AX200 160MHz
PSPath : Microsoft.PowerShell.Core\Registry::HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\NetworkCards\5
This example was produced on Windows 10, Version 10.0.19044 Build 19044
Last updated