Files
DetectionLab/Vagrant/scripts/install-osquery.ps1
2020-08-27 18:14:41 -07:00

49 lines
2.9 KiB
PowerShell
Executable File

# Purpose: Installs osquery on the host. Osquery conntects to Fleet via TLS.
Write-Host "$('[{0:HH:mm}]' -f (Get-Date)) Installing osquery..."
$flagfile = "c:\Program Files\osquery\osquery.flags"
choco install -y --limit-output --no-progress osquery | Out-String # Apparently Out-String makes the process wait
$service = Get-WmiObject -Class Win32_Service -Filter "Name='osqueryd'"
If (-not ($service)) {
Write-Host "$('[{0:HH:mm}]' -f (Get-Date)) Setting osquery to run as a service"
New-Service -Name "osqueryd" -BinaryPathName "C:\Program Files\osquery\osqueryd\osqueryd.exe --flagfile=`"C:\Program Files\osquery\osquery.flags`""
# Download the flags file from the Palantir osquery-configuration Github
# GitHub requires TLS 1.2 as of 2/1/2018
[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
# Disabling the progress bar speeds up IWR https://github.com/PowerShell/PowerShell/issues/2138
$ProgressPreference = 'SilentlyContinue'
Invoke-WebRequest -Uri "https://raw.githubusercontent.com/palantir/osquery-configuration/master/Classic/Endpoints/Windows/osquery.flags" -OutFile $flagfile
## Use the TLS config
## Add entry to hosts file for Kolide for SSL validation
If (Select-String -Path "c:\windows\system32\drivers\etc\hosts" -Pattern "kolide") {
Write-Host "$('[{0:HH:mm}]' -f (Get-Date)) Hosts file already updated. Moving on."
} Else {
Write-Host "$('[{0:HH:mm}]' -f (Get-Date)) Adding kolide to the hosts file"
Add-Content "c:\windows\system32\drivers\etc\hosts" " 192.168.38.105 kolide"
}
## Add kolide secret and avoid BOM
$Utf8NoBomEncoding = New-Object System.Text.UTF8Encoding $False
[System.IO.File]::WriteAllLines("c:\Program Files\osquery\kolide_secret.txt", "enrollmentsecret", $Utf8NoBomEncoding)
## Change TLS server hostname in the flags file
(Get-Content $flagfile) -replace 'tls.endpoint.server.com', 'kolide:8412' | Set-Content $flagfile
## Change path to secrets in the flags file
(Get-Content $flagfile) -replace 'path\\to\\file\\containing\\secret.txt', 'Program Files\osquery\kolide_secret.txt' | Set-Content $flagfile
## Change path to certfile in the flags file
(Get-Content $flagfile) -replace 'c:\\ProgramData\\osquery\\certfile.crt', 'c:\Program Files\osquery\certfile.crt' | Set-Content $flagfile
## Remove the verbose flag and replace it with the logger_min_status=1 option (See https://github.com/osquery/osquery/issues/5212)
(Get-Content $flagfile) -replace '--verbose=true', '--logger_min_status=1' | Set-Content $flagfile
## Add certfile.crt
Copy-Item "c:\vagrant\resources\fleet\server.crt" "c:\Program Files\osquery\certfile.crt"
## Start the service
Start-Service osqueryd
}
else {
Write-Host "$('[{0:HH:mm}]' -f (Get-Date)) osquery is already installed. Moving On."
}
If ((Get-Service -name osqueryd).Status -ne "Running")
{
throw "osqueryd service was not running"
}