Get-NetworkShares.ps1

[cmdletbinding()]
param(
    [parameter(ValueFromPipeline=$true,ValueFromPipelineByPropertyName=$true)]
    [string[]]$ComputerName = $env:computername,
    [string]$OutputDir
)

begin {$OutputArray = @()}

process {
    foreach($Computer in $ComputerName) {
        $OutputObj = New-Object –TypeName PSObject –Prop (@{
                'ComputerName'=$Computer.ToUpper();
                'ShareName' = $null;
                'Status'=$null;
                'EveryOneFullControl'=$false
            })


        Write-Verbose "Working on $Computer"
        if(!(Test-Connection -Computer $Computer -Count 1 -Ea 0)) {
            Write-Verbose "$Computer is offline"
            $OutputObj = New-Object –TypeName PSObject –Prop (@{
                'ComputerName'=$Computer.ToUpper();
                'ShareName' = $null;
                'Status'="OFFLINE";
                'EveryOneFullControl'=$null
            })
            $OutputObj
            $OutputArray +=$OutputObj

            Continue
        }

        try {
            $Shares = Get-WmiObject -Class Win32_LogicalShareSecuritySetting `
                                    -ComputerName $Computer `
                                    -ErrorAction Stop
            $Status = "Successful"
        } catch {
            Write-Verbose "Failed to Query WMI class. More details: $_"
            $OutputObj = New-Object –TypeName PSObject –Prop (@{
                'ComputerName'=$Computer.ToUpper();
                'ShareName' = $null;
                'Status'="WMIFailed";
                'EveryOneFullControl'=$null
            })

            $OutputObj
            $OutputArray +=$OutputObj

            Continue
        }

        foreach($Share in $Shares) {
            $OutputObj = New-Object –TypeName PSObject –Prop (@{
                'ComputerName'=$Computer.ToUpper();
                'ShareName' = $Share.Name;
                'Status'=$Status;
                'EveryOneFullControl'=$false
            })
            $OutputObj.ShareName = $Share.Name
            $Permissions = $Share.GetSecurityDescriptor()
            foreach($perm in $Permissions.Descriptor.DACL) {
                if($Perm.Trustee.Name -eq "EveryOne" -and $Perm.AccessMask -eq "2032127" -and $Perm.AceType -eq 0) {
                    $OutputObj.EveryOneFullControl = $true
                } else {

                }
            }
        $OutputObj
        $OutputArray +=$OutputObj
        }
    }

}


end {
    if($OutputDir) {
        $File = Join-Path $OutputDir ("SharePermissions {0}.log" -f $(Get-Date -Format("MMddyyyyHHmmss")))
        $File
        $OutputArray | ? {$_.EveryOneFullControl}| % {
            "\\{0}\{1}" -f $_.ComputerName, $_.ShareName | Out-File -FilePath $File -Force
        }
    }

}