marcorentap

#include <asm/unistd.h>
#include <linux/perf_event.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/types.h>
#include <unistd.h>

static long perf_event_open(struct perf_event_attr *hw_event, pid_t pid,
                            int cpu, int group_fd, unsigned long flags) {
    int ret;

marcorentap

#include <stdio.h>

typedef struct {
    short short1;
    short short2;
} some_struct;

int main() {
    // In memory: 48 65 6c 6c 6f 00 48 69 00
    char *bytes = "\x48\x65\x6c\x6c\x6f\x00\x48\x69\x00";

marcorentap

Overview

The program is a note editor running inside a x86 64-bit unicorn engine instance.

The start script is provided (see start.py)

Goal

marcorentap

Overview

The program is a Unicorn Engine x86 64-bit VM that can runs default program or a program that the user uploads. A program is a sequence of x86 64-bit machine language instructions.

Goal

Call win which will print out the flag

marcorentap

Overview

The program reads an input as a command line argument and stores it in a buffer. The argument must only contain ASCII characters. Source code is provided:

#include <sys/stat.h>
#include <unistd.h>
#include <stdio.h>
#include <string.h>
#include <fcntl.h>

marcorentap

Overview

Initially the program prompts for username then continue with the menu. Users can

Options

marcorentap

Overview

The C++ source code is provided:

#include <fcntl.h>
#include <iostream> 
#include <cstring>
#include <cstdlib>
#include <unistd.h>
using namespace std;

marcorentap

Overview

Jump jump
The Mac Dad will make you jump jump
Daddy Mac will make you
jump jump
The Daddy makes you J-U-M-P

Menu: