monkey365

0.95.1

collectors/azure/classicvm/virtualmachines/Get-MonkeyAzClassicVM.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-MonkeyAzClassicVM {
<#
        .SYNOPSIS
        Collector to get classic VMs from Azure
 
        .DESCRIPTION
        Collector to get classic VMs from Azure
 
        .INPUTS
 
        .OUTPUTS
 
        .EXAMPLE
 
        .NOTES
            Author : Juan Garrido
            Twitter : @tr1ana
            File Name : Get-MonkeyAzClassicVM
            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 = "az00005";
            Provider = "Azure";
            Resource = "VirtualMachines";
            ResourceType = $null;
            resourceName = $null;
            collectorName = "Get-MonkeyAzClassicVM";
            ApiType = "resourceManagement";
            description = "Collector to get classic VMs from Azure";
            Group = @(
                "VirtualMachines"
            );
            Tags = @(

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

            );
            enabled = $true;
            supportClientCredential = $true
        }
        #Get Classic VMs
        $classic_vms = $O365Object.all_resources | Where-Object { $_.type -like 'Microsoft.ClassicCompute/virtualMachines' }
        if (-not $classic_vms) { continue }
        #Get config
        $AzureClassicVMConfig = $O365Object.internal_config.ResourceManager | Where-Object { $_.Name -eq "azureClassicVM" } | Select-Object -ExpandProperty resource
        #Set array
        $AllClassicVM = @()
    }
    process {
        $msg = @{
            MessageData = ($message.MonkeyGenericTaskMessage -f $collectorId,"Azure virtual machine",$O365Object.current_subscription.displayName);
            callStack = (Get-PSCallStack | Select-Object -First 1);
            logLevel = 'info';
            InformationAction = $InformationAction;
            Tags = @('AzureVMInfo');
        }
        Write-Information @msg
        if ($classic_vms) {
            foreach ($classic_vm in $classic_vms) {
                $msg = @{
                    MessageData = ($message.AzureUnitResourceMessage -f $classic_vm.Name,'virtual machine');
                    callStack = (Get-PSCallStack | Select-Object -First 1);
                    logLevel = 'info';
                    InformationAction = $InformationAction;
                    Tags = @('AzureVMInfoMessage');
                }
                Write-Information @msg
                #Set query
                $p = @{
                    Id = $classic_vm.Id;
                    APIVersion = $AzureClassicVMConfig.api_version;
                    Verbose = $O365Object.Verbose;
                    Debug = $O365Object.Debug;
                    InformationAction = $O365Object.InformationAction;
                }
                $vm = Get-MonkeyAzObjectById @p
                if ($vm.Id) {
                    #Check for antimalware
                    $av = $vm | Where-Object { $_.Properties.extensions.Extension -match "IaaSAntimalware" -and $_.Properties.storageProfile.operatingSystemDisk.operatingSystem -eq "Windows" }
                    if ($av) {
                        $vm | Add-Member -Type NoteProperty -Name antimalwareAgent -Value $true
                    }
                    else {
                        $vm | Add-Member -Type NoteProperty -Name antimalwareAgent -Value $false
                    }
                    #Check for installed agent
                    $agent = $vm | Where-Object { $_.Properties.extensions.Extension -match "MicrosoftMonitoringAgent" -or $_.resources.Id -match "OmsAgentForLinux" }
                    if ($agent) {
                        $vm | Add-Member -Type NoteProperty -Name vmagentinstalled -Value $true
                    }
                    else {
                        $vm | Add-Member -Type NoteProperty -Name vmagentinstalled -Value $false
                    }
                    #Check for diagnostic agent
                    $agent = $vm | Where-Object { $_.Properties.extensions.Extension -match "IaaSDiagnostics" -or $_.resources.Id -match "OmsAgentForLinux" }
                    if ($agent) {
                        $vm | Add-Member -Type NoteProperty -Name diagnosticagentinstalled -Value $true
                    }
                    else {
                        $vm | Add-Member -Type NoteProperty -Name diagnosticagentinstalled -Value $false
                    }
                    #Add encryption settings
                    $vm | Add-Member -Type NoteProperty -Name encryptionsettingsenabled -Value "notsupported"
                    #Add to list
                    $AllClassicVM += $vm
                }
            }
        }
    }
    end {
        if ($AllClassicVM) {
            $AllClassicVM.PSObject.TypeNames.Insert(0,'Monkey365.Azure.ClassicVM')
            [pscustomobject]$obj = @{
                Data = $AllClassicVM;
                Metadata = $monkey_metadata;
            }
            $returnData.az_classic_vm = $obj
        }
        else {
            $msg = @{
                MessageData = ($message.MonkeyEmptyResponseMessage -f "Azure virtual machine",$O365Object.TenantID);
                callStack = (Get-PSCallStack | Select-Object -First 1);
                logLevel = "verbose";
                InformationAction = $O365Object.InformationAction;
                Tags = @('AzureClassicVMEmptyResponse');
                Verbose = $O365Object.Verbose;
            }
            Write-Verbose @msg
        }
    }
}