Windows

Important applications

SSH

• MobaxTerm - https://mobaxterm.mobatek.net/
• Putty & Puttygen - https://www.chiark.greenend.org.uk/~sgtatham/putty/latest.html

Code VSCodium

Powershell

Checks

• https://azega.org/list-open-ports-using-powershell/

# List open ports and related IP-addresses
Get-NetTCPConnection

# "To show only the listening ports we need to filter for all items in the Listen state with the remote address of 0.0.0.0"
get-nettcpconnection | where {($_.State -eq "Listen") -and ($_.RemoteAddress -eq "0.0.0.0")}

# "You can add additional fields like the process ID for each port. Changing the fields from the default requires selecting each one you want and then piping to ft (format-table)."
get-nettcpconnection | where {($_.State -eq "Listen") -and ($_.RemoteAddress -eq "0.0.0.0")} | Select LocalAddress,LocalPort,RemoteAddress,RemotePort,State,OwningProcess | ft

# "This example will get the name of the process associated with each item."
get-nettcpconnection | where {($_.State -eq "Listen") -and ($_.RemoteAddress -eq "0.0.0.0")} | select LocalAddress,LocalPort,RemoteAddress,RemotePort,State,@{Name="Process";Expression={(Get-Process -Id $_.OwningProcess).ProcessName}} | ft

# Test the network-connection to a specific IP and port
Test-NetConnection -ComputerName 192.168.200.20 -InformationLevel "Detailed" -Port 443

Common

Commands

# Open User Management
lusrmgr.msc

Shutdown or restart

# Shutdown the computer
shutdown /s

# Restart the computer
shutdown /r

# Shutdown the computer in 200 seconds
shutdown /t 200

# Abort a timed shutdown
shutdown /a

Windows Update

https://learn.microsoft.com/en-us/windows-server/administration/server-core/server-core-servicing

# Check current configured settings
%systemroot%\system32\Cscript %systemroot%\system32\scregedit.wsf /AU /v

# Disable automatic updates
Net stop wuauserv
%systemroot%\system32\Cscript %systemroot%\system32\scregedit.wsf /AU 1
Net start wuauserv

# Enable automatic updates
Net stop wuauserv
%systemroot%\system32\Cscript %systemroot%\system32\scregedit.wsf /AU 4
Net start wuauserv

# Update and install updates
Wuauclt /detectnow

Sysprep

1. Download and install updates;
2. Restart;
3. Repeat step 1 and 2 until no more updates are available;
4. Set the proper timezone;
5. Set proper keyboard/region format;
6. Activate your license;
7. OPTIONAL: Make a snapshot before the sysprep
8. Perform a Sysprep (see commands below)

# Sysprep
C:\Windows\System32\Sysprep\sysprep.exe /generalize /shutdown

# Sysprep using an unattend.xml
C:\Windows\System32\Sysprep\sysprep.exe /generalize /shutdown /unattend:C:\Windows\System32\Sysprep\unattended.xml

Network

# Add a route for a specific network
route add 192.168.15.0 mask 255.255.255.0 192.168.15.1

# Delete a route for a specific network
route delete 192.168.15.0 mask 255.255.255.0 192.168.15.1