近段时间在研究模块的隐藏,写了点代码,实现了模块隐藏功能,经测试发现对瑞星,OD,expolerprocess等都有很好的隐藏效果,但是对icesword却无效,希望大家讨论一下icesword是如何枚举进程中的模块信息的。
代码大致如下:
typedef struct _LDR_MODULE {
LIST_ENTRY InLoadOrderModuleList;
LIST_ENTRY InMemoryOrderModuleList;
LIST_ENTRY InInitializationOrderModuleList;
PVOID BaseAddress;
PVOID EntryPoint;
ULONG SizeOfImage;
UNICODE_STRING FullDllName;
UNICODE_STRING BaseDllName;
ULONG Flags;
SHORT LoadCount;
SHORT TlsIndex;
LIST_ENTRY HashTableEntry;
ULONG TimeDateStamp;
} LDR_MODULE, *PLDR_MODULE;
typedef struct _PEB_LDR_DATA
{
ULONG Length;
BOOLEAN Initialized;
BYTE reserved[3];
PVOID SsHandle;
LIST_ENTRY InLoadOrderModuleList;
LIST_ENTRY InMemoryOrderModuleList;
LIST_ENTRY InInitializationOrderModuleList;
} PEB_LDR_DATA, *PPEB_LDR_DATA;
typedef struct _NT_PEB
{
BOOLEAN InheritedAddressSpace;
BOOLEAN ReadImageFileExecOptions;
BOOLEAN BeingDebugged;
BOOLEAN Spare;
HANDLE Mutant;
PVOID ImageBaseAddress;
PPEB_LDR_DATA LoaderData;
PRTL_USER_PROCESS_PARAMETERS ProcessParameters;
PVOID SubSystemData;
PVOID ProcessHeap;
PVOID FastPebLock;
PPEBLOCKROUTINE FastPebLockRoutine;
PPEBLOCKROUTINE FastPebUnlockRoutine;
ULONG EnvironmentUpdateCount;
PVOID *KernelCallbackTable;
PVOID EventLogSection;
PVOID EventLog;
PPEB_FREE_BLOCK FreeList;
ULONG TlsExpansionCounter;
PVOID TlsBitmap;
ULONG TlsBitmapBits[0x2];
PVOID ReadOnlySharedMemoryBase;
PVOID ReadOnlySharedMemoryHeap;
PVOID *ReadOnlyStaticServerData;
PVOID AnsiCodePageData;
PVOID OemCodePageData;
PVOID UnicodeCaseTableData;
ULONG NumberOfProcessors;
ULONG NtGlobalFlag;
BYTE Spare2[0x4];
LARGE_INTEGER CriticalSectionTimeout;
ULONG HeapSegmentReserve;
ULONG HeapSegmentCommit;
ULONG HeapDeCommitTotalFreeThreshold;
ULONG HeapDeCommitFreeBlockThreshold;
ULONG NumberOfHeaps;
ULONG MaximumNumberOfHeaps;
PVOID **ProcessHeaps;
PVOID GdiSharedHandleTable;
PVOID ProcessStarterHelper;
PVOID GdiDCAttributeList;
PVOID LoaderLock;
ULONG OSMajorVersion;
ULONG OSMinorVersion;
ULONG OSBuildNumber;
ULONG OSPlatformId;
ULONG ImageSubSystem;
ULONG ImageSubSystemMajorVersion;
ULONG ImageSubSystemMinorVersion;
ULONG GdiHandleBuffer[0x22];
ULONG PostProcessInitRoutine;
ULONG TlsExpansionBitmap;
BYTE TlsExpansionBitmapBits[0x80];
ULONG SessionId;
}NT_PEB, *pNT_PEB;
typedef struct _NT_TEB
{
NT_TIB Tib; /* 00h */
PVOID EnvironmentPointer; /* 1Ch */
CLIENT_ID Cid; /* 20h */
PVOID ActiveRpcInfo; /* 28h */
PVOID ThreadLocalStoragePointer; /* 2Ch */
pNT_PEB Peb; /* 30h */
ULONG LastErrorValue; /* 34h */
ULONG CountOfOwnedCriticalSections; /* 38h */
PVOID CsrClientThread; /* 3Ch */
void* Win32ThreadInfo; /* 40h */
ULONG Win32ClientInfo[0x1F]; /* 44h */
PVOID WOW32Reserved; /* C0h */
LCID CurrentLocale; /* C4h */
ULONG FpSoftwareStatusRegister; /* C8h */
PVOID SystemReserved1[0x36]; /* CCh */
PVOID Spare1; /* 1A4h */
LONG ExceptionCode; /* 1A8h */
UCHAR SpareBytes1[0x28]; /* 1ACh */
PVOID SystemReserved2[0xA]; /* 1D4h */
GDI_TEB_BATCH GdiTebBatch; /* 1FCh */
ULONG gdiRgn; /* 6DCh */
ULONG gdiPen; /* 6E0h */
ULONG gdiBrush; /* 6E4h */
CLIENT_ID RealClientId; /* 6E8h */
PVOID GdiCachedProcessHandle; /* 6F0h */
ULONG GdiClientPID; /* 6F4h */
ULONG GdiClientTID; /* 6F8h */
PVOID GdiThreadLocaleInfo; /* 6FCh */
PVOID UserReserved[5]; /* 700h */
PVOID glDispatchTable[0x118]; /* 714h */
ULONG glReserved1[0x1A]; /* B74h */
PVOID glReserved2; /* BDCh */
PVOID glSectionInfo; /* BE0h */
PVOID glSection; /* BE4h */
PVOID glTable; /* BE8h */
PVOID glCurrentRC; /* BECh */
PVOID glContext; /* BF0h */
LONG LastStatusValue; /* BF4h */
UNICODE_STRING StaticUnicodeString; /* BF8h */
WCHAR StaticUnicodeBuffer[0x105]; /* C00h */
PVOID DeallocationStack; /* E0Ch */
PVOID TlsSlots[0x40]; /* E10h */
LIST_ENTRY TlsLinks; /* F10h */
PVOID Vdm; /* F18h */
PVOID ReservedForNtRpc; /* F1Ch */
PVOID DbgSsReserved[0x2]; /* F20h */
ULONG HardErrorDisabled; /* F28h */
PVOID Instrumentation[0x10]; /* F2Ch */
PVOID WinSockData; /* F6Ch */
ULONG GdiBatchCount; /* F70h */
USHORT Spare2; /* F74h */
BOOLEAN IsFiber; /* F76h */
UCHAR Spare3; /* F77h */
ULONG Spare4; /* F78h */
ULONG Spare5; /* F7Ch */
PVOID ReservedForOle; /* F80h */
ULONG WaitingOnLoaderLock; /* F84h */
ULONG Unknown[11]; /* F88h */
PVOID FlsSlots; /* FB4h */
PVOID WineDebugInfo; /* Needed for WINE DLL's */
}NT_TEB, *pNT_TEB;
NT_TEB* GetCurrentThreadTEB()
{
NT_TEB* pTeb=NULL;
_asm
{
mov eax,fs:[0x18]
mov pTeb,eax
}
return pTeb;
}
BOOL BaseFunc::HideModuleByHandle(HMODULE hModule)
{
NT_TEB* pTeb = GetCurrentThreadTEB();
NT_PEB* pPeb = pTeb->Peb;
PPEB_LDR_DATA pLdrData = pPeb->LoaderData;
PLDR_MODULE ListHead = (PLDR_MODULE)(&(pLdrData->InLoadOrderModuleList));
PLDR_MODULE pFirstLdrModule = (PLDR_MODULE)pLdrData->InLoadOrderModuleList.Flink;
PLDR_MODULE pLdrModule = pFirstLdrModule;
PLDR_MODULE pLastModule,pNextModule;
//LoadOrderModuleList
while(pLdrModule != ListHead)
{
//判断是否是我们要屏蔽的模块
if(pLdrModule->BaseAddress == hModule)
{
pLdrModule->InLoadOrderModuleList.Flink->Blink = pLdrModule->InLoadOrderModuleList.Blink;
pLdrModule->InLoadOrderModuleList.Blink->Flink = pLdrModule->InLoadOrderModuleList.Flink;
pLdrModule->InMemoryOrderModuleList.Flink->Blink = pLdrModule->InMemoryOrderModuleList.Blink;
pLdrModule->InMemoryOrderModuleList.Blink->Flink = pLdrModule->InMemoryOrderModuleList.Flink;
pLdrModule->InInitializationOrderModuleList.Flink->Blink = pLdrModule->InInitializationOrderModuleList.Blink;
pLdrModule->InInitializationOrderModuleList.Blink->Flink = pLdrModule->InInitializationOrderModuleList.Flink;
}
pLdrModule = (PLDR_MODULE)pLdrModule->InLoadOrderModuleList.Flink;
}
return TRUE;
}
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