PowerShell security scripts collection for Windows hardening
BugBounty_Leo 6/17/2025 USER
Sharing some PowerShell scripts I use regularly for Windows security auditing:
Find accounts with password never expires
Get-ADUser -Filter {PasswordNeverExpires -eq $true} -Properties PasswordNeverExpires |
Select-Object Name, SamAccountName, PasswordNeverExpires
Find admin accounts that logged in recently
Get-WinEvent -FilterHashtable @{LogName='Security';ID=4624} -MaxEvents 1000 |
Where-Object { $_.Properties[8].Value -match 'admin' } |
Select-Object TimeCreated, @{N='User';E={$_.Properties[5].Value}}
Check SMB signing status
Get-SmbServerConfiguration | Select-Object RequireSecuritySignature, EnableSecuritySignature
Audit local admin group across domain computers
$computers = Get-ADComputer -Filter {OperatingSystem -like "*Windows*"} | Select -ExpandProperty Name
foreach ($pc in $computers) {
try {
$admins = Invoke-Command -ComputerName $pc -ScriptBlock {
Get-LocalGroupMember -Group "Administrators"
} -ErrorAction Stop
Write-Host "$pc : $($admins.Name -join ', ')"
} catch { Write-Host "$pc : UNREACHABLE" -ForegroundColor Red }
}
Feel free to add yours below!
CI
CISO_Michelle6/18/2025Great collection. Here's one for finding services running as domain accounts:
Get-WmiObject Win32_Service | Where-Object { $_.StartName -like "*\\*" -and $_.StartName -notlike "*LocalSystem*" } | Select Name, StartName, State
Services running as domain users are often over-privileged and a prime target.
IC
ICS_Security_Tom6/19/2025For LAPS (Local Admin Password Solution) audit:
Get-ADComputer -Filter * -Properties ms-Mcs-AdmPwd,ms-Mcs-AdmPwdExpirationTime | Where-Object { $_."ms-Mcs-AdmPwd" -eq $null } | Select Name
Shows computers where LAPS isn't deployed yet.
MD
MDR_Analyst_Chris6/20/2025Don't forget to check your PowerShell execution policy and logging. If Constrained Language Mode and Script Block Logging aren't enabled, attackers can use PowerShell against you freely.
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Created6/17/2025
Last Active6/19/2025
Replies3
Views7,368