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Windows recall active check windows #238

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Jun 6, 2024
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Original file line number Diff line number Diff line change
Expand Up @@ -356,7 +356,75 @@ function Get-vlWindowsPersistanceCheck {
}
}

function Get-vlCheckWindowsRecallStatusLM {
<#
.SYNOPSIS
Checks if Windows Recall is enabled on the system.
.DESCRIPTION
Windows Recall is a feature for Copilot+ PCs that creates a timeline of user activity by taking snapshots of the desktop and processing them using AI.

https://support.microsoft.com/en-us/windows/retrace-your-steps-with-recall-aa03f8a0-a78b-4b3e-b0a1-2eb8ac48701c
https://learn.microsoft.com/en-us/windows/client-management/mdm/policy-csp-windowsai#disableaidataanalysis
.OUTPUTS
PSCustomObject
enabled: true if enabled, false if not
.EXAMPLE
Get-vlCheckWindowsRecallStatusLM
#>

try {
<#
0 Enable saving Snapshots for Windows. (Default)
1 Disable saving Snapshots for Windows
#>
$riskScore = 50

if (Test-Path "HKLM:\SOFTWARE\Policies\Microsoft\Windows\WindowsAI") {
$value = Get-vlRegValue -Hive "HKLM" -Path "SOFTWARE\Policies\Microsoft\Windows\WindowsAI" -Value "DisableAIDataAnalysis"

if ($null -eq $value -or $value -eq 0) {
$result = [PSCustomObject]@{
Enabled = $true
}

return New-vlResultObject -result $result -score 0 -riskScore $riskScore
}
else {
$result = [PSCustomObject]@{
Enabled = $false
}
return New-vlResultObject -result $result -score 10 -riskScore $riskScore
}
}

if (Test-Path "HKLM:\SOFTWARE\Microsoft\Windows\WindowsAI") {
$value = Get-vlRegValue -Hive "HKLM" -Path "SOFTWARE\Microsoft\Windows\WindowsAI" -Value "DisableAIDataAnalysis"

if ($null -eq $value -or $value -eq 0) {
$result = [PSCustomObject]@{
Enabled = $true
}

return New-vlResultObject -result $result -score 0 -riskScore $riskScore
}
else {
$result = [PSCustomObject]@{
Enabled = $false
}
return New-vlResultObject -result $result -score 10 -riskScore $riskScore
}
}

$result = [PSCustomObject]@{
Enabled = $false
}

return New-vlResultObject -result $result -score 10 -riskScore $riskScore
}
catch {
return New-vlErrorObject -context $_
}
}

function Get-WindowsConfigurationCheck {
#set $params to $global:args or if empty default "all"
Expand Down Expand Up @@ -405,6 +473,20 @@ function Get-WindowsConfigurationCheck {
}
}

if ($params.Contains("all") -or $params.Contains("WCLMRecallStatus")) {
$checkWindowsRecallStatus = Get-vlCheckWindowsRecallStatusLM
$Output += [PSCustomObject]@{
Name = "WCLMRecallStatus"
DisplayName = "WindowsConfiguration Recall status - Machine"
Description = "[Experimental] This test determines the status of Windows Recall, a feature introduced with Windows 11 24H2 that creates a timeline of user activity by capturing desktop screenshots. Attackers could potentially exploit the collected data by extracting sensitive information."
Score = $checkWindowsRecallStatus.Score
ResultData = $checkWindowsRecallStatus.Result
RiskScore = $checkWindowsRecallStatus.RiskScore
ErrorCode = $checkWindowsRecallStatus.ErrorCode
ErrorMessage = $checkWindowsRecallStatus.ErrorMessage
}
}

<#
#TODO: Add a better logic to check for "corrupt" or "repaired" in CBS.log
if ($params.Contains("all") -or $params.Contains("persistancecheck")) {
Expand Down
Original file line number Diff line number Diff line change
Expand Up @@ -118,6 +118,76 @@ function Get-CheckHTAEnabled {
}
}

function Get-vlCheckWindowsRecallStatusCU {
<#
.SYNOPSIS
Checks if Windows Recall is enabled for the current user.
.DESCRIPTION
Windows Recall is a feature for Copilot+ PCs that creates a timeline of user activity by taking snapshots of the desktop and processing them using AI.

https://support.microsoft.com/en-us/windows/retrace-your-steps-with-recall-aa03f8a0-a78b-4b3e-b0a1-2eb8ac48701c
https://learn.microsoft.com/en-us/windows/client-management/mdm/policy-csp-windowsai#disableaidataanalysis
.OUTPUTS
PSCustomObject
enabled: true if enabled, false if not
.EXAMPLE
Get-vlCheckWindowsRecallStatusCU
#>

try {
<#
0 (Default) Enable saving Snapshots for Windows.
1 Disable saving Snapshots for Windows
#>
$riskScore = 50

if (Test-Path "HKCU:\SOFTWARE\Policies\Microsoft\Windows\WindowsAI") {
$value = Get-vlRegValue -Hive "HKCU" -Path "SOFTWARE\Policies\Microsoft\Windows\WindowsAI" -Value "DisableAIDataAnalysis"

if ($null -eq $value -or $value -eq 0) {
$result = [PSCustomObject]@{
Enabled = $true
}

return New-vlResultObject -result $result -score 0 -riskScore $riskScore
}
else {
$result = [PSCustomObject]@{
Enabled = $false
}
return New-vlResultObject -result $result -score 10 -riskScore $riskScore
}
}

if (Test-Path "HKCU:\SOFTWARE\Microsoft\Windows\WindowsAI") {
$value = Get-vlRegValue -Hive "HKCU" -Path "SOFTWARE\Microsoft\Windows\WindowsAI" -Value "DisableAIDataAnalysis"

if ($null -eq $value -or $value -eq 0) {
$result = [PSCustomObject]@{
Enabled = $true
}

return New-vlResultObject -result $result -score 0 -riskScore $riskScore
}
else {
$result = [PSCustomObject]@{
Enabled = $false
}
return New-vlResultObject -result $result -score 10 -riskScore $riskScore
}
}

$result = [PSCustomObject]@{
Enabled = $false
}

return New-vlResultObject -result $result -score 10 -riskScore $riskScore
}
catch {
return New-vlErrorObject -context $_
}
}

function Get-WindowsConfigurationCheck {
#set $params to $global:args or if empty default "all"
$params = if ($global:args) { $global:args } else { "all" }
Expand All @@ -139,6 +209,20 @@ function Get-WindowsConfigurationCheck {
}
}

if ($params.Contains("all") -or $params.Contains("WCCURecallStatus")) {
$checkWindowsRecallStatus = Get-vlCheckWindowsRecallStatusCU
$Output += [PSCustomObject]@{
Name = "WCCURecallStatus"
DisplayName = "WindowsConfiguration Recall status - User"
Description = "[Experimental] This test determines the status of Windows Recall, a feature introduced with Windows 11 24H2 that creates a timeline of user activity by capturing desktop screenshots. Attackers could potentially exploit the collected data by extracting sensitive information."
Score = $checkWindowsRecallStatus.Score
ResultData = $checkWindowsRecallStatus.Result
RiskScore = $checkWindowsRecallStatus.RiskScore
ErrorCode = $checkWindowsRecallStatus.ErrorCode
ErrorMessage = $checkWindowsRecallStatus.ErrorMessage
}
}

return $output
}

Expand Down
2 changes: 1 addition & 1 deletion config/uberAgent-ESA-si-vastlimits-windows.conf
Original file line number Diff line number Diff line change
Expand Up @@ -164,7 +164,7 @@ Name = WindowsConfiguration-User
ScriptId = 13270F6B-7160-4629-90C4-F36E621D43F9
Category = WindowsConfiguration
ScriptTimeoutMs = 600000
ScriptCommandline = "###UA_SI_LOCALPATH###\WindowsConfiguration\WindowsConfiguration-User.ps1" uberAgent-SCI WCHta
ScriptCommandline = "###UA_SI_LOCALPATH###\WindowsConfiguration\WindowsConfiguration-User.ps1" uberAgent-SCI WCHta WCCURecallStatus
Interpreter = PowerShell
ScriptContext = UserSessionAsUser
IntegrityLevel = Medium + AllowChildProcesses=3
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