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[讨论]卷太卷了，前几天某位大佬写的页面HOOK，已经被科学家们安排上了，大概还原了一下,科学家们已经不限于用这个玩通讯了
发表于: 2022-11-20 02:56 3380

[讨论]卷太卷了，前几天某位大佬写的页面HOOK，已经被科学家们安排上了，大概还原了一下,科学家们已经不限于用这个玩通讯了

wx_See U_358 活跃值
2022-11-20 02:56
3380

PVOID HookLargePage(ULONG64 DirBase, PVOID lpBaseAddress)
{
PMMVA AddressInfo = (PMMVA)&lpBaseAddress;

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PVOID        PML4T = (PVOID)ClearCR3Flag(DirBase);
 
PMMPTE        PML4E = NULL;
 
PVOID        PDPT = NULL;
 
PMMPTE        PDPTE = NULL;
 
PVOID        PDT = NULL;
 
PMMPTE      PDE = NULL;
 
 
 
 
 
PML4E = MapPhysicalToVirtual((ULONG64)((ULONG64)PML4T + AddressInfo->PML4T * ENTRY_SIZE));
if (PML4E != NULL)
{
    ULONG64 Permission = (*(PULONG64)PML4E) & 0xFFF;
 
    PVOID   Page = AllocPhysicaMemory(0x1000);
 
    PVOID  PML4EVA = MapPhysicalToVirtual(ClearCR3Flag(*(PULONG64)PML4E));
 
    RtlCopyMemory(Page, PML4EVA, 0x1000);
 
    *(ULONG64*)((ULONG64)PML4E) = MmGetPhysicalAddress(Page).QuadPart | Permission;
 
    UpDataLargeTLb(Page,0X1000);
    UpDataLargeTLb(Page,0X1000);
 
}
 
PDPT = (PVOID)ClearCR3Flag(*(PULONG64)PML4E);
PDPTE = (PMMPTE)MapPhysicalToVirtual((ULONG64)PDPT + AddressInfo->PDPT * ENTRY_SIZE);
if (PDPTE != NULL)
{
    ULONG64 Permission = (*(PULONG64)PDPTE) & 0xFFF;
 
    PVOID   Page = AllocLargePageMemory(0x1000);
 
    PVOID   PDPTEVA = MapPhysicalToVirtual(ClearCR3Flag(*(PULONG64)PDPTE));
 
    RtlCopyMemory((PVOID)Page, PDPTEVA, 0x1000);
 
    *(ULONG64*)((ULONG64)PDPTE) = MmGetPhysicalAddress((PVOID)Page).QuadPart | Permission;
 
 
    UpDataLargeTLb(Page,0X1000);
    UpDataLargeTLb(PDPTEVA, 0X1000);
 
}
 
PDT = (PVOID)ClearCR3Flag(*(PULONG64)PDPTE);
PDE = (PMMPTE)MapPhysicalToVirtual((ULONG64)PDT + AddressInfo->PDT * ENTRY_SIZE);
if (PDE != NULL)
{
    PDE->Global = 0;
 
    ULONG64 Permission = (*(PULONG64)PDE) & 0xFFF;
 
    PVOID   Page = AllocLargePageMemory(NUM_2M * 2);
 
    ULONG64 PagePhy = MmGetPhysicalAddress(Page).QuadPart;
 
    ULONG64 PagePhyAlign = ROUND_UP(PagePhy, NUM_2M);
 
    ULONG64 Delta = PagePhyAlign - PagePhy;
 
    PVOID   PDEVA = MapPhysicalToVirtual(ClearCR3Flag(*(PULONG64)PDE));
 
    RtlCopyMemory((PVOID)((ULONG64)Page + Delta), PDEVA, NUM_2M);
 
    *(ULONG64*)((ULONG64)PDE) = PagePhyAlign | Permission;
 
 
    UpDataLargeTLb(Page, NUM_2M * 2);
    UpDataLargeTLb(PDEVA, NUM_2M);
    UpDataLargeTLb(lpBaseAddress, NUM_2M);
 
    return Page;
 
}
 
 
 
return NULL;

}

 

VOID HookLargePageApi(PEPROCESS Eprocess, PVOID ApiAddress, PVOID Proxy_ApiAddress, PVOID * Original_ApiAddress)
{
PVOID FakerPte = NULL;
ULONG Size = 0;
KAPC_STATE ApcState;

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BYTE CallReturn[] =
{
    0x48,0xB8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
    0xC3
};
 
BYTE HookCode[12] =
{
  0x48,0xB8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
  0xFF,0xE0
};
 
KeStackAttachProcess(Eprocess, &ApcState);
 
FakerPte = HookLargePage(__readcr3(), ApiAddress);
 
ClearPDEGlobal(ApiAddress);
ClearPDEGlobal(NtOpenThread);
ClearPDEGlobal(NtOpenProcess);
 
KeUnstackDetachProcess(&ApcState);
 
 
UpDataLargeTLb(ApiAddress, 0x1000);
UpDataLargeTLb(NtOpenProcess, 0x1000);
UpDataLargeTLb(NtOpenThread, 0x1000);
 
ClearPDEGlobal(ApiAddress);
ClearPDEGlobal(NtOpenThread);
ClearPDEGlobal(NtOpenProcess);
//-----------------------------------------------先退出刷新一次
 
 
KeAttachProcess(Eprocess);
*(PULONG64)((ULONG64)HookCode + 0x02) = (ULONG64)Proxy_ApiAddress;
RtlSuperCopyMemory(ApiAddress, HookCode, sizeof(HookCode));
RtlSuperCopyMemory(NtOpenProcess, CallReturn, sizeof(CallReturn));
RtlSuperCopyMemory(NtOpenThread, CallReturn, sizeof(CallReturn));
KeDetachProcess();
 
 
 
for (ULONG64 i = 0; i < NUM_2M * 2; i += 0x1000)
{
    ULONG64 BadPag = MmGetPhysicalAddress((PVOID)((ULONG64)FakerPte + i)).QuadPart;
    MarkPhysicalMemoryAsBad(BadPag);
}
 
 
 
 
MmFreeContiguousMemory(FakerPte);
return;

}

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HookLargePageApi(Eprocess, PsLookupThreadByThreadId, HookShllCode, NULL);
 
 
 
                for (ULONG i = 4; i < 65535; i = i + 4)
                {
                    PETHREAD pTempThread = NULL;
 
                    if (NT_SUCCESS(PsLookupThreadByThreadId((HANDLE)i, &pTempThread)))
                    {
 
                        if ((IoThreadToProcess(pTempThread) == Eprocess && !PsIsThreadTerminating(pTempThread)))
                        {
                            KeAttachProcess(Eprocess);
                            SaveThread->g_SaveEthread[(ULONG64)PsGetThreadId(pTempThread)] = (ULONG64)pTempThread;
                            KeDetachProcess();
 
 
 
                            *(ULONG64 *)ExpLookupHandleTableEntry((PVOID)PspCid, (ULONG64)PsGetThreadId(pTempThread)) = 0;
                            continue;
                        }
                        ObDereferenceObject(pTempThread);
 
                    }

如今的大佬们都开清空 PSPCID线程句柄来保护DWM,其实我想表示没吊用,人家根本不是这么找的DWM 还原不太像 他构造的是4级 我直接按照内核的来 构造为2M的页面
外挂样本整活群（定期更新各种好玩的外挂样本）:QQ群252586714


[培训]科锐软件逆向54期预科班、正式班开始火爆招生报名啦！！！

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