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https://github.com/vxunderground/VX-API
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vxunderground
37 lines
916 B
C++
37 lines
916 B
C++
#include "Win32Helper.h"
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VOID HeapFreeInterceptionRoutine(PEXCEPTION_POINTERS ExceptionInfo)
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{
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CONST DWORD dwSize = (DWORD)HeapSize((HANDLE)ExceptionInfo->ContextRecord->Rcx, (DWORD)ExceptionInfo->ContextRecord->Rdx, (LPCVOID)ExceptionInfo->ContextRecord->R8);
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if (dwSize)
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ZeroMemoryEx((PVOID)ExceptionInfo->ContextRecord->R8, dwSize);
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ExceptionInfo->ContextRecord->EFlags |= (1 << 16);
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}
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BOOL HookEngineUnhookHeapFree(_In_ BOOL StartEngine)
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{
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if (StartEngine)
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{
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if (!GlobalHardwareBreakpointObject.IsInit)
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InitHardwareBreakpointEngine();
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}
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return InsertDescriptorEntry((PUINT_VAR_T)&HeapFree, 0, HeapFreeInterceptionRoutine, 0, FALSE);
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}
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BOOL HookEngineRestoreHeapFree(_In_ BOOL ShutdownEngine)
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{
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if (!GlobalHardwareBreakpointObject.IsInit)
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return FALSE;
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RemoveDescriptorEntry((PUINT_VAR_T)&HeapFree, 0);
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if (ShutdownEngine)
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return ShutdownHardwareBreakpointEngine();
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return TRUE;
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}
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