atap/ATAPAuditor/AuditGroups/Microsoft Windows 10 SiSyPHuS NE-BSI-1.3#AccountPolicies.ps1

[AuditTest] @{
    Id = "200"
    Task = "(ND, NE) Ensure 'Store passwords using reversible encryption' is set to 'Disabled'."
    Test = {
        $securityPolicy = Get-AuditResource "WindowsSecurityPolicy"
        $setPolicy = $securityPolicy['System Access']["ClearTextPassword"]
        
        if ($null -eq $setPolicy) {
            return @{
                Message = "Currently not set."
                Status = "False"
            }
        }
        $setPolicy = [long]$setPolicy
        
        if ($setPolicy -ne 0) {
            return @{
                Message = "'ClearTextPassword' currently set to: $setPolicy. Expected: 0"
                Status = "False"
            }
        }
        
        return @{
            Message = "Compliant"
            Status = "True"
        }
    }
}
[AuditTest] @{
    Id = "201"
    Task = "(ND, NE) Ensure 'Password must meet complexity requirements' is set to 'Enabled'."
    Test = {
        $securityPolicy = Get-AuditResource "WindowsSecurityPolicy"
        $setPolicy = $securityPolicy['System Access']["PasswordComplexity"]
        
        if ($null -eq $setPolicy) {
            return @{
                Message = "Currently not set."
                Status = "False"
            }
        }
        $setPolicy = [long]$setPolicy
        
        if ($setPolicy -ne 1) {
            return @{
                Message = "'PasswordComplexity' currently set to: $setPolicy. Expected: 1"
                Status = "False"
            }
        }
        
        return @{
            Message = "Compliant"
            Status = "True"
        }
    }
}
[AuditTest] @{
    Id = "202"
    Task = "(ND, NE) Ensure 'Enforce password history' is set to '24 or more password(s)'."
    Test = {
        $securityPolicy = Get-AuditResource "WindowsSecurityPolicy"
        $setPolicy = $securityPolicy['System Access']["PasswordHistorySize"]
        
        if ($null -eq $setPolicy) {
            return @{
                Message = "Currently not set."
                Status = "False"
            }
        }
        $setPolicy = [long]$setPolicy
        
        if ($setPolicy -ne 24) {
            return @{
                Message = "'PasswordHistorySize' currently set to: $setPolicy. Expected: 24"
                Status = "False"
            }
        }
        
        return @{
            Message = "Compliant"
            Status = "True"
        }
    }
}
[AuditTest] @{
    Id = "203"
    Task = "(ND, NE) Ensure 'Maximum password age' is set to '365 or fewer days, but not 0'."
    Test = {
        $securityPolicy = Get-AuditResource "WindowsSecurityPolicy"
        $setPolicy = $securityPolicy['System Access']["MaximumPasswordAge"]
        
        if ($null -eq $setPolicy) {
            return @{
                Message = "Currently not set."
                Status = "False"
            }
        }
        $setPolicy = [long]$setPolicy
        
        if (($setPolicy -gt 365 -or $setPolicy -le 0)) {
            if($setPolicy -eq -1){ #Setting 0 in GroupPolicy translates to -1 in AuditPolicy
                $setPolicy = "Password never expires"
            }
            return @{
                Message = "'MaximumPasswordAge' currently set to: $setPolicy. Expected: x <= 365 and x > 0"
                Status = "False"
            }
        }
        
        return @{
            Message = "Compliant"
            Status = "True"
        }
    }
}
[AuditTest] @{
    Id = "204"
    Task = "(ND, NE) Ensure 'Minimum password length' is set to '14 or more character(s)'."
    Test = {
        $securityPolicy = Get-AuditResource "WindowsSecurityPolicy"
        $setPolicy = $securityPolicy['System Access']["MinimumPasswordLength"]
        
        if ($null -eq $setPolicy) {
            return @{
                Message = "Currently not set."
                Status = "False"
            }
        }
        $setPolicy = [long]$setPolicy
        
        if (($setPolicy -lt 14)) {
            return @{
                Message = "'MinimumPasswordLength' currently set to: $setPolicy. Expected: x >= 14"
                Status = "False"
            }
        }
        
        return @{
            Message = "Compliant"
            Status = "True"
        }
    }
}
[AuditTest] @{
    Id = "205"
    Task = "(ND, NE) Ensure 'Minimum password age' is set to '1 or more day(s)' ."
    Test = {
        $securityPolicy = Get-AuditResource "WindowsSecurityPolicy"
        $setPolicy = $securityPolicy['System Access']["MinimumPasswordAge"]
        
        if ($null -eq $setPolicy) {
            return @{
                Message = "Currently not set."
                Status = "False"
            }
        }
        $setPolicy = [long]$setPolicy
        
        if (($setPolicy -lt 1)) {
            return @{
                Message = "'MinimumPasswordAge' currently set to: $setPolicy. Expected: x >= 1"
                Status = "False"
            }
        }
        
        return @{
            Message = "Compliant"
            Status = "True"
        }
    }
}