打算直接hook 函数头 前15个字节

现在已经把前15个字节替换，这里ret 过去的是自己申请的虚拟地址

这里执行一遍被破坏的指令就直接ret了 返回地址也是fffff801`2c3290ef

蓝屏错误 说是 一个 Virtual address for the attempted execute.
内核inlin hook 不能用虚拟地址吗？

插入代码
VOID HOOKPspUserThreadStartup()
{

    PVOID pHookaddr = (PVOID)GetPspUserThreadStartup();

    DbgPrint("pHookaddr:%p\n", pHookaddr);

    /*   
push rax
MOV RAX, 0x9090909090909090
PUSH RAX
RET
*/
    BYTE HookCode[] =
    {
        0x50,0x48, 0xB8, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x90, 0x50, 0xC3,0x90,0x90
    };
    //50 48 B8 90 90 90 90 90 90 90 90 50 C3
    BYTE JMPBackCode[] =
    {
        0x58,0x68, 0x90, 0x90,0x90, 0x90
    };
    BYTE JMPBackCode2[] =
    {
        0xC7, 0x44, 0x24, 0x04, 0x90, 0x90, 0x90, 0x90
    };

    BYTE JMPBackCode3[] =
    {
        0x90,0x90,0x90,0x90,0x90,0x90,0x90,0x90,0xC3
    };

//58 68 - - - - C7 44 24 04 - - - - C3


    //DbgPrint("pHookaddr -->%p\n", pHookaddr);


    cs = ExAllocatePoolWithTag(NonPagedPool, PAGE_SIZE, 'cs');
    RtlSecureZeroMemory(cs, PAGE_SIZE);

    PVOID Nexaddr = (PVOID)((ULONG64)pHookaddr + 15);

    *(PINT64)(HookCode + 3) = (INT64)cs;
    *(PINT64)(JMPBackCode + 2) = 0x2C3290EF;//((INT64)Nexaddr >> 32) << 32;
    * (PINT64)(JMPBackCode2 + 4) = 0xFFFFF801;//(INT)Nexaddr << 32;
    //DbgPrint("Nexaddr: %p\n", (INT64)Nexaddr);
    //DbgPrint("高Nexaddr>>32: %p\n", ((INT64)Nexaddr >>32)<<32);
    //DbgPrint("低Nexaddr<<32: %p\n", (INT64)Nexaddr << 32);
    //DbgPrint("JMPCode:-->%p\n", (INT64)&NewPspUserThreadStartup - (ULONG64)pHookaddr + 5);
    //


    __debugbreak();
    KIRQL  irql=WPOFFx64();
    memcpy(cs, pHookaddr, 15);//保存
    memcpy((PVOID)((ULONG64)cs+15), JMPBackCode, 6);//回跳
    memcpy((PVOID)((ULONG64)cs + 21), JMPBackCode2, 8);//回跳 测试
    memcpy((PVOID)((ULONG64)cs + 29), JMPBackCode3, 9);//回跳 测试
    memcpy(pHookaddr, &HookCode,15);
    DbgPrint("cs-->%p\n", cs);
    __debugbreak();
    WPONx64(irql);


}

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