我正在尝试使用easyhook来检测本机LoadLibrary调用。
它确实可以检测到库的加载,但是这个过程会导致冻结。
这是因为
装载库挂钩
以下方法无法加载dll或库,因为
它返回0 intptr
(可能找不到图书馆。)
我甚至尝试将事件设置为“void”类型,但是过程仅仅崩溃,这可能是因为easyhook希望我返回一个值来覆盖函数。
有没有一种方法可以让我返回确切需要加载的库,或者只获取正在加载的库的名称,而不必手动加载库?
(也有这样的名字正在加载过程中:有点奇怪…)
private static LocalHook hook;
[DllImport("kernel32.dll", CharSet=CharSet.Auto)]
public static extern IntPtr GetModuleHandle(string lpModuleName);
[DllImport("kernel32.dll", CharSet = CharSet.Unicode, SetLastError = true)]
public static extern IntPtr LoadLibrary(string lpFileName);
[DllImport("kernel32.dll", CharSet=CharSet.Ansi, ExactSpelling=true, SetLastError=true)]
public static extern IntPtr GetProcAddress(IntPtr handle, string varormethodname);
[UnmanagedFunctionPointer(CallingConvention.StdCall, CharSet = CharSet.Unicode, SetLastError = true)]
public delegate IntPtr LoadLibraryDelegate(string lpFileName);
public TestHook()
{
IntPtr kernel32 = GetModuleHandle("kernel32.dll");
Logger.Log("Kernel: " + kernel32);
IntPtr address = GetProcAddress(kernel32, "LoadLibraryA");
Logger.Log("Address: " + address);
hook = LocalHook.Create(address,
new LoadLibraryDelegate(LoadLibrary_Hook),
null);
hook.ThreadACL.SetExclusiveACL(new Int32[] {0});
//RemoteHooking.WakeUpProcess();
}
public IntPtr LoadLibrary_Hook(string lpFileName)
{
Logger.Log("File load: " + lpFileName);
return LoadLibrary(lpFileName);
}