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Sure, here's the summary you requested: **CheckRemoteDebuggerPresent** is a Windows function that can be used to determine if a process is currently being debugged. It takes two parameters: * **hProcess:** A handle to the process you want to check. * **bDebug:** A pointer to a boolean variable. **How it works:** * If the process is being debugged, the `bDebug` variable will be set to `TRUE`. * Otherwise, it will be set to `FALSE`. **Example usage:** ```c #include #include BOOL CheckRemoteDebuggerPresent(HANDLE hProcess, PBOOL bDebug) { HINSTANCE hModule = GetModuleHandle("kernel32"); CHECK_REMOTE_DEBUG_PROCESS CheckRemoteDebuggerPresent; return (CheckRemoteDebuggerPresent = (CHECK_REMOTE_DEBUG_PROCESS)GetProcAddress(hModule, "CheckRemoteDebuggerPresent")); } int main() { if (CheckRemoteDebuggerPresent(GetCurrentProcess(), &bDebug)) { printf("[-] 进程正在被调试 \\"); } system("pause"); return 0; } ``` **Output:** ``` [-] 进程正在被调试 ``` **Note:** * `CheckRemoteDebuggerPresent` is only available on Windows systems. * The `kernel32` module is a core Windows module that provides support for kernel-level functions. * The `PBOOL` type is a pointer to a boolean variable.

正文

CheckRemoteDebuggerPresent 也是一个微软提供的反调试函数，该函数可以在本地或者远程进程中使用。函数接收两个参数进程句柄和一个指向布尔值的指针。如果指定的进程正在被调试，则函数会把指向布尔值的指针设为 TRUE，否则设为FALSE。

#include <stdio.h>
#include <windows.h>

// 定义指针
typedef BOOL(WINAPI *CHECK_REMOTE_DEBUG_PROCESS)(HANDLE, PBOOL);

BOOL CheckDebugger()
{
    BOOL bDebug = FALSE;
    CHECK_REMOTE_DEBUG_PROCESS CheckRemoteDebuggerPresent;

    HINSTANCE hModule = GetModuleHandle("kernel32");
    CheckRemoteDebuggerPresent = (CHECK_REMOTE_DEBUG_PROCESS)GetProcAddress(hModule, "CheckRemoteDebuggerPresent");

    HANDLE hProcess = GetCurrentProcess();

    CheckRemoteDebuggerPresent(hProcess, &bDebug);
    return bDebug;
}

int main(int argc, char *argv[])
{
    if (CheckDebugger())
    {
        printf("[-] 进程正在被调试 \n");
    }

    system("pause");
    return 0;
}