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IncidentResponse.ps1
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IncidentResponse.ps1
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<#
Author: Michael Scott
http://www.rwnin.net
https://www.github.com/et0x
scomijo@gmail.com
et0x@rwnin.net
@_et0x
#>
# From: http://data.iana.org/TLD/tlds-alpha-by-domain.txt -- 12/2/2015
$global:TLDS = 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function Get-AllProcesses
{
Param(
[string[]]$ComputerName,
[System.Management.Automation.PSCredential]$Credentials,
[switch]$Sorted
)
Begin
{
[System.Collections.ArrayList]$results = @()
} Process {
foreach ($computer in $ComputerName) {
if ($Credentials) {
$processes = Get-WmiObject -ComputerName $computer -Credential $Credentials -Class Win32_Process -Namespace 'root\cimv2' -Impersonation 3
if (-not $processes)
{
Write-Error "[!] Error: No access to computer '$computer'"
}
} else {
try
{
$processes = Get-WmiObject -ComputerName $computer -Class Win32_Process -Namespace 'root/cimv2'
} catch {
Write-Error "[!] Error: No access to computer '$computer'"
return 0
}
}
ForEach ($p in $processes) {
$results.add($p.ExecutablePath) | Out-Null
}
}
} end {
if ($Sorted) {
return ($results | Sort-Object)
} else {
return $results
}
}
}
function Get-AllServices
{
Param(
[string[]]$ComputerName,
[System.Management.Automation.PSCredential]$Credentials,
[switch]$Sorted
)
Begin
{
[System.Collections.ArrayList]$results = @()
} Process {
foreach ($computer in $ComputerName) {
if ($Credentials) {
try
{
$services = Get-WmiObject -ComputerName $computer -Credential $Credentials -Class Win32_Service -Namespace 'root\cimv2' -Impersonation 3
} catch {
return 0
}
} else {
try
{
$services = Get-WmiObject -ComputerName $computer -Class Win32_Service -Namespace 'root/cimv2'
} catch {
Write-Error "[!] Error: No access to computer '$computer'"
return 0
}
}
ForEach ($s in $services) {
$results.add($s.Name) | Out-Null
}
}
} end {
if ($Sorted) {
return ($results | Sort-Object)
} else {
return $results
}
}
}
function Invoke-ProcessHashSweep
{
Param (
[string[]]$ComputerNames,
[switch]$SupplyCreds
)
[System.Collections.Hashtable]$results = @{}
if ($SupplyCreds) {
$creds = Get-Credential
}
foreach ($computer in $ComputerNames)
{
if ($SupplyCreds) {
$p = Get-AllProcesses -ComputerName $Computer -Credentials $creds
} else {
$p = Get-AllProcesses -ComputerName $Computer
}
if ($p)
{
$results[$computer] = Invoke-HashArray -Array $p
}
}
return $results
}
function Invoke-HashArray
{
Param(
[System.Collections.ArrayList]$Array
)
$text = $Array -join "`r`n"
$hash = [System.BitConverter]::ToString(
(New-Object System.Security.Cryptography.MD5CryptoServiceProvider).ComputeHash(
[system.text.encoding]::UTF8.GetBytes($text)
)
)
return $hash
}
function Invoke-ServiceHashSweep
{
Param (
[string[]]$ComputerNames,
[switch]$SupplyCreds
)
[System.Collections.Hashtable]$results = @{}
if ($SupplyCreds) {
$creds = Get-Credential
}
foreach ($computer in $ComputerNames)
{
if ($SupplyCreds) {
$s = Get-AllServices -ComputerName $Computer -Credentials $creds
} else {
$s = Get-AllServices -ComputerName $Computer
}
if ($s)
{
$results[$computer] = Invoke-HashArray -Array $s
}
}
return $results
}
function Get-Strings
{
[CmdletBinding()]
Param(
[Parameter(Mandatory=$true, ValueFromPipeline=$true)]
[String]$Data,
[Int]$Length = 4,
[Switch]$NetworkItems = $false,
[Switch]$FileItems = $false,
[Switch]$RegistryItems = $false,
[Switch]$EmailItems = $false,
[Switch]$FunctionItems = $false
)
process {
[string[]]$results = @()
if ( $NetworkItems )
{
$re_domainItems = '(https?:\/\/)?([\da-z\.-]+)\.([a-z\.]{2,6})([\/\w \.-]*)*\/?'
$re_ipItems = '((25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)'
$domain_matches = $Data | Select-String -Pattern $re_domainItems -AllMatches
$ip_matches = $Data | Select-String -Pattern $re_ipItems -AllMatches
if ($domain_matches.Matches.Count) {
$domain_matches.Matches | ForEach-Object {
if ($_.Value.Length -ge $Length)
{
if (($_.Value.split('.'))[-1].Replace('/','') -in $TLDS )
{
$results += $_.Value
}
}
}
}
if ($ip_matches.Matches.Count) {
$ip_matches.Matches | ForEach-Object {
if ($_.Value.Length -ge $Length)
{
$results += $_.Value
}
}
}
$results = ( $results | Sort-Object -Unique )
return $results
} elseif ( $FileItems ) {
$re_fileItems = '[ -~]+\.[ -~]+'
$file_matches = $Data | Select-String -Pattern $re_fileItems -AllMatches
if ($file_matches.Matches.Count) {
$file_matches.Matches | ForEach-Object {
if ($_.Value.Length -ge $Length)
{
$results += $_.Value
}
}
}
$results = ( $results | Sort-Object -Unique )
return $results
} elseif ( $RegistryItems ) {
$re_registryItems = '[ -~]*(HKLM|HKCU|HKCR|HKU|HKCC|HKEY|CurrentControlSet)[ -~]*'
$registry_matches = $Data | Select-String -Pattern $re_registryItems -AllMatches
if ($registry_matches.Matches.Count) {
$registry_matches.Matches | ForEach-Object {
if ($_.Value.Length -ge $Length)
{
$results += $_.Value
}
}
}
$results = ( $results | Sort-Object -Unique )
return $results
} elseif ( $EmailItems ) {
$re_emailItems = "\w+([-+.']\w+)*@\w+([-.]\w+)*\.\w+([-.]\w+)*"
$email_matches = $Data | Select-String -Pattern $re_emailItems -AllMatches
if ($email_matches.Matches.Count) {
$email_matches.Matches | ForEach-Object {
if ($_.Value.Length -ge $Length)
{
$results += $_.Value
}
}
}
$results = ( $results | Sort-Object -Unique )
return $results
} elseif ( $FunctionItems ) {
$re_functionItems = '[A-Z]([A-Z0-9]*[a-z][a-z0-9]*[A-Z]|[a-z0-9]*[A-Z][A-Z0-9]*[a-z])[A-Za-z0-9]*'
$function_matches = $Data | Select-String -Pattern $re_functionItems -AllMatches -CaseSensitive
if ($function_matches.Matches.Count) {
$function_matches.Matches | ForEach-Object {
if ($_.Value.Length -ge $Length)
{
$results += $_.Value
}
}
}
$results = ( $results | Sort-Object -Unique )
return $results
} else {
$re = "[ -~]{$Length,}"
$string_matches = $Data | Select-String -Pattern $re -AllMatches
if ($string_matches.Matches.Count) {
$string_matches.Matches | ForEach-Object {
if ($_.Value.Length -ge $Length)
{
$results += $_.Value
}
}
}
}
return $results
} end {
}
}
function Invoke-HashString
{
Param(
[CmdletBinding()]
[Parameter(Mandatory=$true)]
[String]$Data
)
$md5 = New-Object -TypeName System.Security.Cryptography.MD5CryptoServiceProvider
$enc = New-Object -TypeName System.Text.UTF8Encoding
$hash = [System.BitConverter]::ToString($md5.ComputeHash($enc.GetBytes($Data)))
return $hash
}
function Get-WMIEventSubscriptions
{
Param(
[ValidateSet('All','Filter','Consumer','BindingPath')]
[String]$Type,
[Parameter(Mandatory=$true)]
[String[]]$ComputerNames,
[Switch]$Credentialed,
[System.Management.Automation.PSCredential]$ProvideCreds = $null,
[Switch]$ShowDefinitions = $false
)
if ($Credentialed)
{
$creds = Get-Credential
} elseif ($ProvideCreds) {
$creds = $ProvideCreds
}
[System.Collections.Hashtable]$results = @{}
Switch ($Type)
{
'All' {
foreach ($computer in $ComputerNames)
{
if ($Credentialed -or $ProvideCreds)
{
$Binding = Get-WmiObject -ComputerName $computer -Namespace 'root/subscription' -Class __FilterToConsumerBinding -Credential $creds
} else {
$Binding = Get-WmiObject -ComputerName $computer -Namespace 'root/subscription' -Class __FilterToConsumerBinding
}
if ($Binding)
{
$results[$computer] = @($Binding.__Path, $Binding.Filter, $Binding.Consumer)
Remove-Variable Binding -Force
}
}
return $results
}
'BindingPath' {
foreach ($computer in $ComputerNames)
{
if ($Credentialed -or $ProvideCreds)
{
$Binding = Get-WmiObject -ComputerName $computer -Namespace 'root/subscription' -Class __FilterToConsumerBinding -Credential $creds
} else {
$Binding = Get-WmiObject -ComputerName $computer -Namespace 'root/subscription' -Class __FilterToConsumerBinding
}
if ($Binding)
{
$results[$computer] = @($Binding.__Path)
Remove-Variable Binding -Force
}
}
return $results
}
'Filter' {
foreach ($computer in $ComputerNames)
{
if ($Credentialed -or $ProvideCreds)
{
$Binding = Get-WmiObject -ComputerName $computer -Namespace 'root/subscription' -Class __FilterToConsumerBinding -Credential $creds
} else {
$Binding = Get-WmiObject -ComputerName $computer -Namespace 'root/subscription' -Class __FilterToConsumerBinding
}
if ($Binding)
{
$results[$computer] = @($Binding.Filter)
Remove-Variable Binding -Force
}
}
return $results
}
'Consumer' {
foreach ($computer in $ComputerNames)
{
if ($Credentialed -or $ProvideCreds)
{
$Binding = Get-WmiObject -ComputerName $computer -Namespace 'root/subscription' -Class __FilterToConsumerBinding -Credential $creds
} else {
$Binding = Get-WmiObject -ComputerName $computer -Namespace 'root/subscription' -Class __FilterToConsumerBinding
}
if ($Binding)
{
$results[$computer] = @($Binding.Consumer)
Remove-Variable Binding -Force
}
}
return $results
}
}
}
function Invoke-ClarifyEventSubscription
{
Param(
[CmdletBinding()]
[Parameter(Mandatory=$true)]
[String]$ComputerName,
[Parameter(Mandatory=$true)]
[String]$BindingPath,
[Switch]$Credentialed,
[System.Management.Automation.PSCredential]$ProvideCreds = $null
)
$ConsumerProperties = @{
'CommandLineEventConsumer' = @('Name','CommandLineTemplate','ExecutablePath','WorkingDirectory');
'NTEventLogEventConsumer' = @('Name','EventID','EventType','Category');
'ActiveScriptEventConsumer'= @('Name','ScriptingEngine','ScriptFileName','ScriptText');
'LogFileEventConsumer' = @('Name','Filename','Text');
'SMTPEventConsumer' = @('Name','FromLine','ToLine','ReplyToLine','CcLine','BccLine','Subject','Message','SMTPServer')
}
if ($BindingPath -match '__FilterToConsumerBinding\.Consumer=".+\.')
{
$consumerType = $Matches[0].split('"')[1].split('.')[0]
Remove-Variable Matches -Force
} else {
return 0
}
if ($Credentialed)
{
$creds = Get-Credential
} elseif ($ProvideCreds) {
$creds = $ProvideCreds
}
if ($BindingPath -match "$consumerType.Name=\\`".+\\`"")
{
$consumerName = $Matches[0].split('"')[1] -replace '.$'
Remove-Variable Matches -Force
} else {
return 0
}
if ($BindingPath -match '__EventFilter\.Name=\\".+\\"')
{
$filterName = $Matches[0].split('"')[-2] -replace '.$'
Remove-Variable Matches -Force
} else {
return 0
}
if ($credentialed -or $ProvideCreds)
{
$consumerResults = Get-WmiObject -Credential $creds -ComputerName $ComputerName -Namespace 'root/subscription' -Query "Select * from $consumerType where Name=`"$consumerName`"" | Select-Object -Property $ConsumerProperties[$consumerType]
$filterResults = Get-WmiObject -Credential $creds -ComputerName $ComputerName -Namespace 'root/subscription' -Query "Select * from __EventFilter where Name=`"$filterName`"" | Select-Object -Property @('Name','Query')
} else {
$consumerResults = Get-WmiObject -ComputerName $ComputerName -Namespace 'root/subscription' -Query "Select * from $consumerType where Name=`"$consumerName`"" | Select-Object -Property $ConsumerProperties[$consumerType]
$filterResults = Get-WmiObject -ComputerName $ComputerName -Namespace 'root/subscription' -Query "Select * from __EventFilter where Name=`"$filterName`"" | Select-Object -Property @('Name','Query')
}
if ($consumerResults -and $filterResults)
{
return @($consumerResults, $filterResults)
} else {
return 0
}
}
function Invoke-EnumerateAllWMIEventSubscriptions
{
[CmdletBinding()]
Param(
[Parameter(Mandatory=$true)]
[String[]]$ComputerNames,
[Switch]$Credentialed,
[System.Management.Automation.PSCredential]$ProvideCreds = $null
)
if ($Credentialed)
{
$creds = Get-Credential
} elseif ($ProvideCreds) {
$creds = $ProvideCreds
}
foreach ($computer in $ComputerNames)
{
if ($Credentialed -or $ProvideCreds)
{
$__Path = Get-WMIEventSubscriptions -ComputerNames $Computer -Type BindingPath -ProvideCreds $creds
} else {
$__Path = Get-WMIEventSubscriptions -ComputerNames $Computer -Type BindingPath
}
if ($__Path)
{
foreach ($binding in $__Path)
{
foreach ($values in $binding.values)
{
foreach ($val in $values)
{
Write-Output "[+] HOST: $computer"
if ($Credentialed -or $ProvideCreds)
{
Invoke-ClarifyEventSubscription -ComputerName $computer -BindingPath $val -ProvideCreds $creds | Format-List
} else {
Invoke-ClarifyEventSubscription -ComputerName $computer -BindingPath $val | Format-List
}
}
}
}
}
}
}
function Invoke-WMIHashSweep
{
Param(
[CmdletBinding()]
[Parameter(Mandatory=$true)]
[String[]]$ComputerNames,
[Switch]$Credentialed
)
if ($Credentialed)
{
$creds = Get-Credential
}
[System.Collections.Hashtable]$results = @{}
foreach ($computer in $ComputerNames)
{
if ($Credentialed)
{
$str = ''
$bindingPath = Get-WMIEventSubscriptions -Type BindingPath -ComputerNames $computer -ProvideCreds $creds
$bindingPath.Values | % { $str += $_ }
$hash = Invoke-HashString -Data $str
$results[$computer] = $hash
} else {
$str = ''
$bindingPath = (Get-WMIEventSubscriptions -Type BindingPath -ComputerNames $computer).values -join ''
$bindingPath.Values | % { $str += $_ }
$hash = Invoke-HashString -Data $str
$results[$computer] = $hash
}
}
return $results
}
function Get-ActiveHosts
{
Param(
[CmdletBinding()]
[String]$Subnet,
[Int]$Start,
[Int]$End
)
for ($i = $Start; $i -le $End; $i++)
{
$CurrentHost = "$Subnet.$i"
$ping = Test-Connection -ComputerName $CurrentHost -Count 1 -AsJob
}
Start-Sleep 5
$totalLive = 0
foreach ($job in Get-Job)
{
if ($job.jobstateinfo.state -ne 'Running')
{
$ping = Receive-Job -Job $job
if ($ping.StatusCode -eq 0)
{
Write-Output $ping.ProtocolAddress
$totalLive++
}
}
}
Write-Warning "Total Live Hosts: $totalLive"
}
function Get-RemoteProcessCount
{
Param(
[CMDletBinding()]
[String[]]$ComputerNames,
[Switch]$Credentialed
)
$errorpref = $ErrorActionPreference
$ErrorActionPreference = 'SilentlyContinue'
[System.Collections.Hashtable]$results = @{}
[System.Collections.Hashtable]$counts = @{}
if ($Credentialed)
{
$creds = Get-Credential
}