-
Notifications
You must be signed in to change notification settings - Fork 18
/
Copy pathInstall-PrintNightmareHotfix.ps1
143 lines (119 loc) · 7.36 KB
/
Install-PrintNightmareHotfix.ps1
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
# PowerShell script to ensure the PrintNightmare vulnerabiltiy is/gets patched
$HotFixInstallFile = "$env:USERPROFILE\Downloads\PrintNightmareHotFix.msu"
$2004x64 = "http://download.windowsupdate.com/c/msdownload/update/software/secu/2021/07/windows10.0-kb5004945-x64_db8eafe34a43930a0d7c54d6464ff78dad605fb7.msu"
$1909x64 = "http://download.windowsupdate.com/c/msdownload/update/software/secu/2021/07/windows10.0-kb5004946-x64_ae43950737d20f3368f17f9ab9db28eccdf8cf26.msu"
$1809x64 = "http://download.windowsupdate.com/c/msdownload/update/software/secu/2021/07/windows10.0-kb5004947-x64_c00ea7cdbfc6c5c637873b3e5305e56fafc4c074.msu"
$ReleaseID = (Get-ItemProperty "HKLM:\SOFTWARE\Microsoft\Windows NT\CurrentVersion").ReleaseId
Switch -WildCard ($ReleaseID) {
"200*" {$HotFixID = ($2004x64 -Split "-")[1].ToUpper(); $Uri = $2004x64}
"190*" {$HotFixID = ($1909x64 -Split "-")[1].ToUpper(); $Uri = $1909x64}
"180*" {$HotFixID = ($1809x64 -Split "-")[1].ToUpper(); $Uri = $1809x64}
} # End Switch
$HotFixes = Get-CimInstance -Query 'SELECT * FROM Win32_QuickFixEngineering'
If ($HotFixes.HotFixID -Contains "$HotFixId")
{
Write-Output "[*] PrintNightmare HotFix is already downloaded on $env:COMPUTERNAME"
} # End If
Else
{
Write-Output "[*] Ensuring PowerShell uses TLSv1.2 for downloads"
[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12
Write-Output "[*] Attempting to download the appropriate HotFix install file from $Uri"
(New-Object -TypeName System.Net.WebClient).DownloadFile($Uri, $HotFixInstallFile)
If (Test-Path -Path $HotFixInstallFile)
{
Write-Output "[*] The file was downloaded successfully"
$Hash = (Get-FileHash -Path $HotFixInstallFile -Algorithm SHA1).Hash
$SourceHash = ($Uri -Split "_")[-1].Replace(".msu","").ToUpper()
If ($Hash -ne $SourceHash)
{
Remove-Item -Path $HotFixInstallFile -Force
Throw "[x] Source hash value does not match the downloaded file's hash value. `nSOURCE: $SourceHash `nDOWNLOADED HASH: $Hash"
} # End If
} # End Else
Write-Output "[*] File hash successfully verified, installing the PrintNightmare HotFix"
Start-Process -Wait wusa -ArgumentList "/update","/quiet","/norestart"
$HotFixes = Get-CimInstance -Query 'SELECT * FROM Win32_QuickFixEngineering'
If ($HotFixes.HotFixId -Contains $HotFixID)
{
Write-Output "[*] Successfully installed PrintNightmare Hotfix on $env:COMPUTERNAME"
} # End If
Else
{
Write-Warning "[!] FAILURE: HotFix $HotFixID is not in the current list of installed Hot Fixes"
} # End Else
Write-Output "[*] Removing the downloaded installer file"
Remove-Item -Path $HotFixInstallFile -Force
} # End Else
# SIG # Begin signature block
# MIIM9AYJKoZIhvcNAQcCoIIM5TCCDOECAQExCzAJBgUrDgMCGgUAMGkGCisGAQQB
# gjcCAQSgWzBZMDQGCisGAQQBgjcCAR4wJgIDAQAABBAfzDtgWUsITrck0sYpfvNR
# AgEAAgEAAgEAAgEAAgEAMCEwCQYFKw4DAhoFAAQU+v67ZdhRUR8ZSQc4g/9AqziC
# klWgggn7MIIE0DCCA7igAwIBAgIBBzANBgkqhkiG9w0BAQsFADCBgzELMAkGA1UE
# BhMCVVMxEDAOBgNVBAgTB0FyaXpvbmExEzARBgNVBAcTClNjb3R0c2RhbGUxGjAY
# BgNVBAoTEUdvRGFkZHkuY29tLCBJbmMuMTEwLwYDVQQDEyhHbyBEYWRkeSBSb290
# IENlcnRpZmljYXRlIEF1dGhvcml0eSAtIEcyMB4XDTExMDUwMzA3MDAwMFoXDTMx
# MDUwMzA3MDAwMFowgbQxCzAJBgNVBAYTAlVTMRAwDgYDVQQIEwdBcml6b25hMRMw
# EQYDVQQHEwpTY290dHNkYWxlMRowGAYDVQQKExFHb0RhZGR5LmNvbSwgSW5jLjEt
# MCsGA1UECxMkaHR0cDovL2NlcnRzLmdvZGFkZHkuY29tL3JlcG9zaXRvcnkvMTMw
# MQYDVQQDEypHbyBEYWRkeSBTZWN1cmUgQ2VydGlmaWNhdGUgQXV0aG9yaXR5IC0g
# RzIwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQC54MsQ1K92vdSTYusw
# ZLiBCGzDBNliF44v/z5lz4/OYuY8UhzaFkVLVat4a2ODYpDOD2lsmcgaFItMzEUz
# 6ojcnqOvK/6AYZ15V8TPLvQ/MDxdR/yaFrzDN5ZBUY4RS1T4KL7QjL7wMDge87Am
# +GZHY23ecSZHjzhHU9FGHbTj3ADqRay9vHHZqm8A29vNMDp5T19MR/gd71vCxJ1g
# O7GyQ5HYpDNO6rPWJ0+tJYqlxvTV0KaudAVkV4i1RFXULSo6Pvi4vekyCgKUZMQW
# OlDxSq7neTOvDCAHf+jfBDnCaQJsY1L6d8EbyHSHyLmTGFBUNUtpTrw700kuH9zB
# 0lL7AgMBAAGjggEaMIIBFjAPBgNVHRMBAf8EBTADAQH/MA4GA1UdDwEB/wQEAwIB
# BjAdBgNVHQ4EFgQUQMK9J47MNIMwojPX+2yz8LQsgM4wHwYDVR0jBBgwFoAUOpqF
# BxBnKLbv9r0FQW4gwZTaD94wNAYIKwYBBQUHAQEEKDAmMCQGCCsGAQUFBzABhhho
# dHRwOi8vb2NzcC5nb2RhZGR5LmNvbS8wNQYDVR0fBC4wLDAqoCigJoYkaHR0cDov
# L2NybC5nb2RhZGR5LmNvbS9nZHJvb3QtZzIuY3JsMEYGA1UdIAQ/MD0wOwYEVR0g
# ADAzMDEGCCsGAQUFBwIBFiVodHRwczovL2NlcnRzLmdvZGFkZHkuY29tL3JlcG9z
# aXRvcnkvMA0GCSqGSIb3DQEBCwUAA4IBAQAIfmyTEMg4uJapkEv/oV9PBO9sPpyI
# BslQj6Zz91cxG7685C/b+LrTW+C05+Z5Yg4MotdqY3MxtfWoSKQ7CC2iXZDXtHwl
# TxFWMMS2RJ17LJ3lXubvDGGqv+QqG+6EnriDfcFDzkSnE3ANkR/0yBOtg2DZ2HKo
# cyQetawiDsoXiWJYRBuriSUBAA/NxBti21G00w9RKpv0vHP8ds42pM3Z2Czqrpv1
# KrKQ0U11GIo/ikGQI31bS/6kA1ibRrLDYGCD+H1QQc7CoZDDu+8CL9IVVO5EFdkK
# rqeKM+2xLXY2JtwE65/3YR8V3Idv7kaWKK2hJn0KCacuBKONvPi8BDABMIIFIzCC
# BAugAwIBAgIIXIhNoAmmSAYwDQYJKoZIhvcNAQELBQAwgbQxCzAJBgNVBAYTAlVT
# MRAwDgYDVQQIEwdBcml6b25hMRMwEQYDVQQHEwpTY290dHNkYWxlMRowGAYDVQQK
# ExFHb0RhZGR5LmNvbSwgSW5jLjEtMCsGA1UECxMkaHR0cDovL2NlcnRzLmdvZGFk
# ZHkuY29tL3JlcG9zaXRvcnkvMTMwMQYDVQQDEypHbyBEYWRkeSBTZWN1cmUgQ2Vy
# dGlmaWNhdGUgQXV0aG9yaXR5IC0gRzIwHhcNMjAxMTE1MjMyMDI5WhcNMjExMTA0
# MTkzNjM2WjBlMQswCQYDVQQGEwJVUzERMA8GA1UECBMIQ29sb3JhZG8xGTAXBgNV
# BAcTEENvbG9yYWRvIFNwcmluZ3MxEzARBgNVBAoTCk9zYm9ybmVQcm8xEzARBgNV
# BAMTCk9zYm9ybmVQcm8wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDJ
# V6Cvuf47D4iFITUSNj0ucZk+BfmrRG7XVOOiY9o7qJgaAN88SBSY45rpZtGnEVAY
# Avj6coNuAqLa8k7+Im72TkMpoLAK0FZtrg6PTfJgi2pFWP+UrTaorLZnG3oIhzNG
# Bt5oqBEy+BsVoUfA8/aFey3FedKuD1CeTKrghedqvGB+wGefMyT/+jaC99ezqGqs
# SoXXCBeH6wJahstM5WAddUOylTkTEfyfsqWfMsgWbVn3VokIqpL6rE6YCtNROkZq
# fCLZ7MJb5hQEl191qYc5VlMKuWlQWGrgVvEIE/8lgJAMwVPDwLNcFnB+zyKb+ULu
# rWG3gGaKUk1Z5fK6YQ+BAgMBAAGjggGFMIIBgTAMBgNVHRMBAf8EAjAAMBMGA1Ud
# JQQMMAoGCCsGAQUFBwMDMA4GA1UdDwEB/wQEAwIHgDA1BgNVHR8ELjAsMCqgKKAm
# hiRodHRwOi8vY3JsLmdvZGFkZHkuY29tL2dkaWcyczUtNi5jcmwwXQYDVR0gBFYw
# VDBIBgtghkgBhv1tAQcXAjA5MDcGCCsGAQUFBwIBFitodHRwOi8vY2VydGlmaWNh
# dGVzLmdvZGFkZHkuY29tL3JlcG9zaXRvcnkvMAgGBmeBDAEEATB2BggrBgEFBQcB
# AQRqMGgwJAYIKwYBBQUHMAGGGGh0dHA6Ly9vY3NwLmdvZGFkZHkuY29tLzBABggr
# BgEFBQcwAoY0aHR0cDovL2NlcnRpZmljYXRlcy5nb2RhZGR5LmNvbS9yZXBvc2l0
# b3J5L2dkaWcyLmNydDAfBgNVHSMEGDAWgBRAwr0njsw0gzCiM9f7bLPwtCyAzjAd
# BgNVHQ4EFgQUkWYB7pDl3xX+PlMK1XO7rUHjbrwwDQYJKoZIhvcNAQELBQADggEB
# AFSsN3fgaGGCi6m8GuaIrJayKZeEpeIK1VHJyoa33eFUY+0vHaASnH3J/jVHW4BF
# U3bgFR/H/4B0XbYPlB1f4TYrYh0Ig9goYHK30LiWf+qXaX3WY9mOV3rM6Q/JfPpf
# x55uU9T4yeY8g3KyA7Y7PmH+ZRgcQqDOZ5IAwKgknYoH25mCZwoZ7z/oJESAstPL
# vImVrSkCPHKQxZy/tdM9liOYB5R2o/EgOD5OH3B/GzwmyFG3CqrqI2L4btQKKhm+
# CPrue5oXv2theaUOd+IYJW9LA3gvP/zVQhlOQ/IbDRt7BibQp0uWjYaMAOaEKxZN
# IksPKEJ8AxAHIvr+3P8R17UxggJjMIICXwIBATCBwTCBtDELMAkGA1UEBhMCVVMx
# EDAOBgNVBAgTB0FyaXpvbmExEzARBgNVBAcTClNjb3R0c2RhbGUxGjAYBgNVBAoT
# EUdvRGFkZHkuY29tLCBJbmMuMS0wKwYDVQQLEyRodHRwOi8vY2VydHMuZ29kYWRk
# eS5jb20vcmVwb3NpdG9yeS8xMzAxBgNVBAMTKkdvIERhZGR5IFNlY3VyZSBDZXJ0
# aWZpY2F0ZSBBdXRob3JpdHkgLSBHMgIIXIhNoAmmSAYwCQYFKw4DAhoFAKB4MBgG
# CisGAQQBgjcCAQwxCjAIoAKAAKECgAAwGQYJKoZIhvcNAQkDMQwGCisGAQQBgjcC
# AQQwHAYKKwYBBAGCNwIBCzEOMAwGCisGAQQBgjcCARUwIwYJKoZIhvcNAQkEMRYE
# FBoipmz0y7Dw+9DOdxxJU4fUI6zaMA0GCSqGSIb3DQEBAQUABIIBAEh0PlgNq2Si
# Uhjco8UBh8M+1oHCM+w6pbQz3dTD6pLM1mwBPRlx2SK/4M0vX9zqsvUPsIwwPU3T
# +JibS48GqpGTNuTVUUJSQUgHcAOTYodfwZWjWij6PKh4VRQxpPF9i5vZ9CiQ7WDQ
# q6/e8wJbsd0GzfAk0PUvWc1HQIT7n8m0bLHUrXOOkQE38ITNbCrHeS+vrY25SnRX
# BWB07kHi6PR1s5k6FNgTb7LTBgtCP+gJVIX0k1Th3pl/0QOd8wkDI1HJ4Nzb/m66
# Ci45fW1yUZ/fLlOYqnKFXBQlRUVl2zBGFUKeBICJ5kb0nJjYtshuzTsk7eMGXzbF
# WiuQl1ID/IA=
# SIG # End signature block