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Invoke-Kape.ps1
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Invoke-Kape.ps1
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function Invoke-Kape {
param (
[Parameter(Mandatory)]
[string[]]$Hosts,
[string]$ClientID,
[string]$ClientSecret,
[string]$OutPath
)
<#
.SYNOPSIS
Utilizes Falcon RTR to place KAPE and execute a triage collection. Handles single or multihost and online/offline.
.EXAMPLE
for single hosts:
Invoke-Kape -Hosts Host1 -ClientID CLIENTID -ClientSecret CLIENTSECRET
or for mutliple hosts with Optional -Outpath:
Invoke-Kape -Hosts Host1,Host2,Host3 -ClientID CLIENTID -ClientSecret CLIENTSECRET -OutPath C:\Users\Person\Desktop\Kape_Host_Status.csv
#>
#It wasn't writing confirm to console correctly so had to a little string stuff
function Write-HashTable {
param (
[Parameter(Mandatory)]
$HashTable
)
$confirmStr = $HashTable | Out-String
Write-Host $confirmStr
}
function Invoke-CSCommandBatch {
param (
[Parameter(Mandatory)]
[string]$CSCommand,
[Parameter(Mandatory)]
[string]$Arguments,
[switch]$IgnoreConfirm
)
$Command = Invoke-FalconAdminCommand -Command $CSCommand -Arguments $Arguments -BatchId $Batch.batch_id # -OptionalHostIds $offlineBatchAids
sleep 5
}
function Write-BulkHostOut {
param (
[string]$name,
[string]$status
)
#Check to see if the csv is already there, if not then try to create it.
if ($null -eq (gci $outpath -ErrorAction SilentlyContinue)) {
try {
New-Item $outpath | Out-Null
}
catch {
Write-Host "ERROR could not create CSV at supplied location: " $outpath -ErrorAction Continue
}
}
#lil ps object for export
$csvFormat =[pscustomobject]@{
'Hostname' = $name
'Status' = $status
}
Export-Csv -Path $outpath -Append -InputObject $csvFormat
}
#Runs the comannds needed to get everything set up, checks to wait to see if it complete and then runs the next command
function Invoke-CSCommandSingle {
param (
[Parameter(Mandatory)]
[string]$CSCommand,
[Parameter(Mandatory)]
[string]$Arguments,
[switch]$IgnoreConfirm
)
if ($session.offline_queued -eq $false) {
$Command = Invoke-FalconAdminCommand -Command $CSCommand -Arguments $Arguments -SessionId $Session.session_id
sleep 5
$confirm = Confirm-FalconAdminCommand -CloudRequestId $Command.cloud_request_id
if ($confirm.complete -eq $false -and $null -eq $IgnoreConfirm -or $IgnoreConfirm -eq "" -or $IgnoreConfirm -eq $false ) {
do {
Write-Host "Waiting for Command to complete - sleeping for 5 seconds" -BackgroundColor Black -ForegroundColor Yellow
sleep 5
$confirm = Confirm-FalconCommand -CloudRequestId $Command.cloud_request_id
$i++
#The timeout is 10 minutes, so this refreshes the session every 8 minutes
if ($i % 96 -eq 0) {
Update-FalconSession -SessionId $Session.session_id
}
} until ($confirm.complete -eq $true)
if ($confirm.complete -eq $true) {
Write-HashTable $confirm
}
}elseif ($IgnoreConfirm -eq $true) {
#We still have to actually confirm once despite the name of the flag but we don't loop on it to be finished
sleep 5
Confirm-FalconCommand -CloudRequestId $Command.cloud_request_id
}
else {
Write-HashTable $confirm
}
}else {
$Command = Invoke-FalconAdminCommand -Command $CSCommand -Arguments $Arguments -SessionId $Session.session_id
sleep 5
Write-HashTable $Command
}
}
#Generate PS Token
Import-Module PSFalcon
Request-FalconToken -ClientId $ClientID -ClientSecret $ClientSecret
#Convert Hostnames to CS Info
foreach ($HostName in $Hosts) {
[array] $CSInfo += Get-FalconHost -Detailed -Filter "hostname:'$($hostname)'" | select device_id, hostname, last_seen
$i = 0
if($null -eq $CSInfo[$i]){
Write-Host $HostName "Is NOT in CS" -BackgroundColor Black -ForegroundColor red
}else{
Write-Host $HostName "Is in CS" -BackgroundColor Black -ForegroundColor Green
}
$i++
}
Write-Host "`n"
#Depending on the number of hosts and online/offline status each scenario gets handled differently
switch ($Hosts.Count) {
{$_ -eq 0} {
#This shouldn't be possible
throw
}
{$_ -eq 1} {
#Single Host RTR Sesion
$Session = Start-FalconSession -HostId $CSInfo.device_id -QueueOffline $true
if ($Session.offline_queued -eq $true) {
Write-Host $HostName "Is offline. Commands will be queued" -ForegroundColor yellow -BackgroundColor black
}else {
Write-Host $HostName "is Online. Running Commands" -ForegroundColor green -BackgroundColor black
}
Invoke-CSCommandSingle -CSCommand mkdir -Arguments "C:\temp\Kape"
Write-host "Creating Temp directory C:\temp\kape" -BackgroundColor Black -ForegroundColor Green
Invoke-CSCommandSingle -CSCommand cd -Arguments "C:\temp\Kape"
Write-host "CDing into the the dir" -BackgroundColor Black -ForegroundColor Green
Invoke-CSCommandSingle -CSCommand put -Arguments "KAPE.zip"
Write-host "Putting the file KAPE.zip" -BackgroundColor Black -ForegroundColor Green
Invoke-CSCommandSingle -CSCommand put -Arguments "7za.exe"
Write-host "Putting the file 7za.exe" -BackgroundColor Black -ForegroundColor Green
Invoke-CSCommandSingle -CSCommand runscript -Arguments "-CloudFile='Invoke-Kape-Remote.ps1' -timeout='9000'" -IgnoreConfirm
Write-host "Running the Kape collection script on the host, capture will be uploaded Azure" -BackgroundColor Black -ForegroundColor Green
}
{$_ -ge 2} {
# Multiple Hosts
$Batch = Start-FalconSession -HostIds $CSInfo.device_id -QueueOffline $true
#Check to see which host is online or offline and adds the offline ones to
foreach($sesh in $Batch.hosts.getenumerator()) {
for ($i = 0 ; $i -lt $CSInfo.device_id.Count; $i++) {
if ($sesh.aid -match $CSInfo[$i].device_id -eq $true) {
switch ($sesh.offline_queued) {
$false { Write-Host $CSInfo[$i].hostname "is Online, running commands!" -BackgroundColor Black -ForegroundColor Green
Write-BulkHostOut -name $CSInfo[$i].hostname -status "Online"
}
$true { Write-Host $CSInfo[$i].hostname "is Offline, queuing commands!" -BackgroundColor Black -ForegroundColor Yellow
[array]$offlineBatchAids += $sesh.aid
Write-BulkHostOut -name $CSInfo[$i].hostname -status "Offline"
}
}
}
}
}
#Do the commands
Invoke-CSCommandBatch -CSCommand mkdir -Arguments "C:\temp\Kape"
Write-host "Creating Temp directory C:\temp\kape" -BackgroundColor Black -ForegroundColor Green
Invoke-CSCommandBatch -CSCommand cd -Arguments "C:\temp\Kape"
Write-host "CDing into the the dir" -BackgroundColor Black -ForegroundColor Green
Invoke-CSCommandBatch -CSCommand put -Arguments "KAPE.zip"
Write-host "Putting the file KAPE.zip" -BackgroundColor Black -ForegroundColor Green
Invoke-CSCommandBatch -CSCommand put -Arguments "7za.exe"
Write-host "Putting the file 7za.exe" -BackgroundColor Black -ForegroundColor Green
Invoke-CSCommandBatch -CSCommand runscript -Arguments "-CloudFile='Invoke-Kape-Remote.ps1' -timeout='9000'" -IgnoreConfirm
Write-host "Running the Kape collection script on the host, capture will be uploaded Azure" -BackgroundColor Black -ForegroundColor Green
Write-Host "Creating output CSV at: " $outpath
}
}
}