anti-debug1

antiptrace1.c

#include <stdio.h>
#include <stdlib.h>
#include <sys/ptrace.h>

int main(int argc, char** argv)
{
    if(ptrace(PTRACE_TRACEME, 0, 0, 0) < 0)
    {
        printf("Alien presence detected!\n");
        exit(0);
    }

    printf("Continuing the mission\n");
    return 0;
}