高分求救：WriteProcessMemory调用失败,系统错误码183？

Question

我调用WriteProcessMemory改写可执行模块的IAT，但很多情况下，WriteProcessMemory调用失败，系统错误码183。为什么会这样？怎样才能确保WriteProcessMemory一定成功？急救！！！！

Answer 1

用WriteProcessMemory()写之前，用VirtualQueryEx()检查该地址的保护属性

Answer 2

楼上两位写过API HOOK 吗？有什么方法HOOK Console Application

Answer 3

我听说Win2000SP3下这个函数有问题，不知道真的假的。

Answer 4

DWORD dwOldProtect;
VirtualProtect(ppfn,sizeof(pfnNew),PAGE_READWRITE,&dwOldProtect);
WriteProcessMemory(GetCurrentProcess(), ppfn, &pfnNew,
         sizeof(pfnNew), NULL);
VirtualProtect(ppfn,sizeof(pfnNew),dwOldProtect,0);

Answer 5

DWORD dwOldProtect;
VirtualProtect(ppfn,sizeof(pfnNew),PAGE_READWRITE,&dwOldProtect);
WriteProcessMemory(GetCurrentProcess(), ppfn, &pfnNew,
         sizeof(pfnNew), NULL);
VirtualProtect(ppfn,sizeof(pfnNew),dwOldProtect,0);