122 lines
3.1 KiB
C
122 lines
3.1 KiB
C
#include <assert.h>
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#include <stdio.h>
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#include <string.h>
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#include <memory.h>
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#include <nt.h>
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#include <ntrtl.h>
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#include <nturtl.h>
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#include <windows.h>
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#define DbgPrint printf
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#define NtTerminateProcess(a,b) ExitProcess((ULONG)(b))
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_CRTAPI1 main()
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{
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LONG i, j;
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PULONG p4, p3, p2, p1, oldp1;
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ULONG Size1, Size2, Size3;
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NTSTATUS status;
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HANDLE CurrentProcessHandle;
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HANDLE GiantSection;
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MEMORY_BASIC_INFORMATION MemInfo;
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ULONG OldProtect;
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STRING Name3;
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HANDLE Section1;
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OBJECT_ATTRIBUTES ObjectAttributes;
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ULONG ViewSize;
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ULONG NumberOfAllocs = 0;
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TIME DelayTime = {-15 * 1000 * 1000 * 10, -1};
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OBJECT_ATTRIBUTES Object1Attributes;
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LARGE_INTEGER SectionSize;
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CurrentProcessHandle = NtCurrentProcess();
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for(i=0;i<3;i++){
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DbgPrint("Hello World...\n\n");
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}
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DbgPrint("allocating virtual memory\n");
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for (;;) {
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p1 = NULL;
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Size1 = 800;
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status = NtAllocateVirtualMemory (CurrentProcessHandle, (PVOID *)&p1,
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0, &Size1, MEM_RESERVE, PAGE_READWRITE);
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if (!NT_SUCCESS(status)) {
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break;
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}
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if ((ULONG)p1 > 0x7ff00000) {
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printf("allocate high %lx\n",p1);
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}
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NumberOfAllocs += 1;
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}
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DbgPrint("allocVM failed after %ld allocs of 800 bytes\n",NumberOfAllocs);
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DbgPrint("created vm status %X start %lx size %lx\n",
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status, (ULONG)p1, Size1);
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for (i=0; i<4; i++) {
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p1 = NULL;
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Size1 = 800;
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status = NtAllocateVirtualMemory (CurrentProcessHandle, (PVOID *)&p1,
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0, &Size1, MEM_RESERVE, PAGE_READWRITE);
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DbgPrint("created vm status %X start %lx size %lx\n",
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status, (ULONG)p1, Size1);
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}
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DbgPrint("delaying for 15 seconds\n");
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NtDelayExecution (FALSE, &DelayTime);
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DbgPrint ("end of delay\n");
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DbgPrint ("paged pool allocations\n");
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NumberOfAllocs = 0;
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for (;;) {
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//
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// Create a giant section (100mb)
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//
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InitializeObjectAttributes( &Object1Attributes,
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NULL,
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0,
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NULL,
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NULL );
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SectionSize.LowPart = (100 * 1024 * 1024);
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SectionSize.HighPart = 0;
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status = NtCreateSection (&GiantSection,
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SECTION_MAP_READ | SECTION_MAP_WRITE,
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&Object1Attributes,
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&SectionSize,
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PAGE_READWRITE,
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SEC_RESERVE,
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NULL);
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if (!NT_SUCCESS(status)) {
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break;
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}
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NumberOfAllocs += 1;
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}
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DbgPrint("Create section failed after %ld creates of 2GB\n",NumberOfAllocs);
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DbgPrint("create section status %X\n",
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status);
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DbgPrint("delaying for 15 seconds\n");
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NtDelayExecution (FALSE, &DelayTime);
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DbgPrint ("end of delay\n");
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DbgPrint("that's all\n");
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NtTerminateProcess(NtCurrentProcess(),STATUS_SUCCESS);
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}
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