Android Anti-debugging 소스 코드

Android-studio - SDK Manager

 

NDK(Side by side)

 

CMake

 

두가지 필수 인스톨

 

jni환경 구축하시고

 

cpp파일에 아래코드 구현하시면 됩니다.

 

 

void be_attached_check() {

    try {
        const int bufsize = 1024;
        char filename[bufsize];
        char line[bufsize];
        int pid = getpid();
        sprintf(filename, "/proc/%d/status", pid);
        FILE *fd = fopen(filename, "r");
        if (fd != nullptr) {
            while (fgets(line, bufsize, fd)) {
                if (strncmp(line, "TracerPid", 9) == 0) {
                    int statue = atoi(&line[10]);
//                    LOGD("%s", line);
                    if (statue != 0) {
                        fclose(fd);
                        int ret = kill(pid, SIGKILL);
                    }
                    break;
                }
            }
            fclose(fd);
        } else {

        }

    } catch (...) {

    }
}

void thread_task(int n) {
    while (true) {
        be_attached_check();
        std::this_thread::sleep_for(std::chrono::seconds(n));
    }
}

void anti_process_status () {
    auto checkThread = std::thread(thread_task, 1);
    checkThread.detach();
}

extern "C"
JNIEXPORT void JNICALL
Java_kr_com_testapp_main_MainActivity_antiDebug(JNIEnv *env, jobject thiz) {
    // TODO: implement antiDebug()
    anti_process_status();
}