NtQueryVirtualMemory 枚举进程模块

时间:2014-04-28 03:43:59   收藏:0   阅读:573
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typedef enum _MEMORY_INFORMATION_CLASS 
{
    MemoryBasicInformation,
    MemoryWorkingSetList,
    MemorySectionName
}MEMORY_INFORMATION_CLASS;

typedef struct
{
    UNICODE_STRING SectionFileName;
    WCHAR       NameBuffer[MAX_PATH * 5];
} MEMORY_SECTION_NAME, *PMEMORY_SECTION_NAME;

typedef struct _MEMORY_BASIC_INFORMATION {
    PVOID BaseAddress;
    PVOID AllocationBase;
    DWORD AllocationProtect;
    SIZE_T RegionSize;
    DWORD State;
    DWORD Protect;
    DWORD Type;
} MEMORY_BASIC_INFORMATION, *PMEMORY_BASIC_INFORMATION;


typedef
NTSTATUS
(__stdcall * PNtQueryVirtualMemory)(
                                IN HANDLE ProcessHandle,
                                IN PVOID BaseAddress,
                                IN MEMORY_INFORMATION_CLASS MemoryInformationClass,
                                OUT PVOID MemoryInformation,
                                IN ULONG MemoryInformationLength,
                                OUT PULONG ReturnLength OPTIONAL
                                );
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typedef struct { KEVENT kEvent; HANDLE ProcessId; BOOLEAN isFind; }WORK_DATA, *PWORK_DATA; #define MEM_IMAGE 0x1000000 NTSTATUS EnumDllByZwQueryVirtualMem(PVOID pData) { PWORK_DATA p = (PWORK_DATA)pData; NTSTATUS status=0; MEMORY_BASIC_INFORMATION mem_info = {0}; MEMORY_SECTION_NAME mem_secName = {0}; HANDLE hProcess = NULL; OBJECT_ATTRIBUTES obj; CLIENT_ID cid; PEPROCESS pEproc; int retLen; ULONG index=0; PRKAPC_STATE pApcStatus; UNICODE_STRING ustrNTDLL; RtlInitUnicodeString(&ustrNTDLL, L"\\??\\C:\\WINDOWS\\system32\\ntdll.dll"); PNtQueryVirtualMemory NtQueryVirtualMemory = NULL; PSYSTEM_DESCRIPTOR_TABLE KeServiceDescriptorTable = (PSYSTEM_DESCRIPTOR_TABLE)dns_get_systemrountine_address(L"KeServiceDescriptorTable"); ULONG uIndex = SYSCALL_INDEX(dns_get_dllfunction_address("NtQueryVirtualMemory", &ustrNTDLL)); NtQueryVirtualMemory = (PNtQueryVirtualMemory)KeServiceDescriptorTable->ntoskrnl.ServiceTableBase[uIndex]; cid.UniqueProcess = (HANDLE)p->ProcessId; cid.UniqueThread = NULL; InitializeObjectAttributes(&obj, NULL, 0, NULL, NULL); status = PsLookupProcessByProcessId( (HANDLE)p->ProcessId, &pEproc); if ( !NT_SUCCESS(status) ) { KdPrint(("cannot get process eprocess, ERROR CODE = %08X\n", status)); status = STATUS_UNSUCCESSFUL; return status; } // pApcStatus = (PRKAPC_STATE)ExAllocatePoolWithTag(NonPagedPool, sizeof(KAPC_STATE), ‘pApc‘); // if (pApcStatus) // { // KeStackAttachProcess(pEproc, pApcStatus); // KdPrint(("已切换到目标进程上下文\n")); // } KAPC_STATE k_apc; KeStackAttachProcess(pEproc, &k_apc); //获取进程句柄 status = ZwOpenProcess(&hProcess, PAGE_READWRITE, &obj, &cid); if ( !NT_SUCCESS(status) ) { KdPrint(("cannot get process handle, ERROR CODE = %08X\n", status)); status = STATUS_UNSUCCESSFUL; return status; } KdPrint(("hProcess= %X\n", hProcess)); do { //查询内存 ;这里为何返回状态为访问违法呢??? status=NtQueryVirtualMemory( hProcess, (PULONG)index, MemoryBasicInformation, &mem_info, sizeof(mem_info), NULL ); if ( !NT_SUCCESS(status) ) { DbgPrint("cannot query memory, ERROR CODE = %08X\n", status); status = STATUS_SUCCESS; p->isFind = FALSE; break; } if ( status >= 0 ) { //KdPrint(("ZwQueryVirtualMemory 成功!\n")); //判断"内存节.类型"是否是 "映像/模块"类型 if (mem_info.Type == MEM_IMAGE) { //判断模块所占内存范围 if ( (DWORD)mem_info.AllocationBase == index ) { //查询内存节名 status=NtQueryVirtualMemory( hProcess, (PULONG)index, MemorySectionName, &mem_secName, sizeof(mem_secName), NULL ); if ( status >= 0 ) { UNICODE_STRING ustrMyDll; RtlInitUnicodeString(&ustrMyDll, L"Locker.dll"); KdPrint(("Address:%08X \t ModuleName:%ws\n", index, mem_secName.SectionFileName.Buffer)); if ( TRUE == SpyFindSubString(&mem_secName.SectionFileName, &ustrMyDll) ) { p->isFind = TRUE; break; } } } } } index += 0x10000; } while (index < 0x80000000); _done: KeUnstackDetachProcess(&k_apc); if (hProcess) ZwClose(hProcess); status = STATUS_SUCCESS; return status; }
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