monkey365

0.95.1

collectors/azure/security/networkwatcher/Get-MonkeyAzNetworkWatcher.ps1

# Monkey365 - the PowerShell Cloud Security Tool for Azure and Microsoft 365 (copyright 2022) by Juan Garrido
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.


function Get-MonkeyAZNetworkWatcher {
<#
        .SYNOPSIS
        Collector to get network watcher from Azure
 
        .DESCRIPTION
        Collector to get network watcher from Azure
 
        .INPUTS
 
        .OUTPUTS
 
        .EXAMPLE
 
        .NOTES
            Author : Juan Garrido
            Twitter : @tr1ana
            File Name : Get-MonkeyAZNetworkWatcher
            Version : 1.0
 
        .LINK
            https://github.com/silverhack/monkey365
    #>

    [CmdletBinding()]
    param(
        [Parameter(Mandatory = $false,HelpMessage = "Background Collector ID")]
        [string]$collectorId
    )
    begin {
        #Collector metadata
        $monkey_metadata = @{
            Id = "az00106";
            Provider = "Azure";
            Resource = "NetworkWatcher";
            ResourceType = $null;
            resourceName = $null;
            collectorName = "Get-MonkeyAZNetworkWatcher";
            ApiType = "resourceManagement";
            description = "Collector to get information from Azure Network Watcher";
            Group = @(
                "NetworkWatcher"
            );
            Tags = @(

            );
            references = @(
                "https://silverhack.github.io/monkey365/"
            );
            ruleSuffixes = @(
                "az_network_watcher";
                "az_network_watcher_flow_logs"
            );
            dependsOn = @(

            );
            enabled = $true;
            supportClientCredential = $true
        }
        #Get config
        $config = $O365Object.internal_config.ResourceManager | Where-Object { $_.Name -eq "azureNetworkWatcher" } | Select-Object -ExpandProperty resource
        #Get Network Watcher
        $networkWatchers = @($O365Object.all_resources).Where({ $_.type -like 'Microsoft.Network/networkWatchers' })
        #Set null
        $allNetworkWatchers = $null
        if (-not $networkWatchers) { continue }
    }
    process {
        $msg = @{
            MessageData = ($message.MonkeyGenericTaskMessage -f $collectorId,"Azure Network Watcher",$O365Object.current_subscription.displayName);
            callStack = (Get-PSCallStack | Select-Object -First 1);
            logLevel = 'info';
            InformationAction = $InformationAction;
            Tags = @('AzureNetworkWatcherInfo');
        }
        Write-Information @msg
        if ($networkWatchers.Count -gt 0) {
            $new_arg = @{
                APIVersion = $config.api_version;
            }
            $p = @{
                ScriptBlock = { Get-MonkeyAzNetworkWatcherInfo -InputObject $_ };
                Arguments = $new_arg;
                Runspacepool = $O365Object.monkey_runspacePool;
                ReuseRunspacePool = $true;
                Debug = $O365Object.VerboseOptions.Debug;
                Verbose = $O365Object.VerboseOptions.Verbose;
                MaxQueue = $O365Object.nestedRunspaces.MaxQueue;
                BatchSleep = $O365Object.nestedRunspaces.BatchSleep;
                BatchSize = $O365Object.nestedRunspaces.BatchSize;
            }
            $allNetworkWatchers = $networkWatchers | Invoke-MonkeyJob @p
        }
    }
    End {
        If ($allNetworkWatchers) {
            $allNetworkWatchers.PSObject.TypeNames.Insert(0,'Monkey365.Azure.NetworkWatcher')
            [pscustomobject]$obj = @{
                Data = $allNetworkWatchers;
                Metadata = $monkey_metadata;
            }
            $returnData.az_network_watcher = $obj
        }
        Else {
            $msg = @{
                MessageData = ($message.MonkeyEmptyResponseMessage -f "Azure Network Watcher",$O365Object.TenantID);
                callStack = (Get-PSCallStack | Select-Object -First 1);
                logLevel = "verbose";
                InformationAction = $O365Object.InformationAction;
                Tags = @('AzureKeyNetworkWatcherEmptyResponse');
                Verbose = $O365Object.Verbose;
            }
            Write-Verbose @msg
        }
    }
}