nbulischeck

#!/bin/bash

# Install Dependencies
sudo pacman -S git svn gd lib32-gcc-libs patch make bison fakeroot

# Checkout glibc source
svn checkout --depth=empty svn://svn.archlinux.org/packages
cd packages
svn update glibc
cd glibc/repos/core-x86_64

nbulischeck

#!/bin/bash

DISK=""
USERNAME="user"
PASSWORD="pass"

btrfs_setup()
{
    subvols=(
        ""

nbulischeck

#!/usr/bin/env python

from itertools import islice
from string import ascii_lowercase

def de_bruijn(k, n):
    try:
        _ = int(k)
        alphabet = list(map(str, range(k)))
    except (ValueError, TypeError):

nbulischeck

import re
import os, shutil, pathlib
from zipfile import ZipFile, BadZipFile
from string import ascii_uppercase, ascii_lowercase

whitespace = ["\r", "\n", "\t", "\f", "\v", " "]

rep_var = ["{i}", "{j}", "{k}"]

def solve_challenge():

nbulischeck

# Values from the white paper
EXAMPLE_PHDR = 'L2 F\' B2 U D2 B U D\' F2 L\' F U2 R U\' L\' R\' U\' B F D U\''.split(" ")
EXAMPLE_LHDR = 'B U2 D2 R\' F U2 B R L\' B L\' B L\' D F\' L U\' B2 R F2 L\' F2'.split(" ")
EXAMPLE_MSG = 'F L U2 L2 F\' B D\' B2 L\' B\' U L2 F\' R2 D\' B\' U\' L\' B R D2 L2 R\' B F2 D\' U R B D2 U2 R2 U\' F2 R2 F D F2 B2 D\' R\' D R\' U\' F\' B2 U F2 D R U L F U2 L2 D R B D\' B\' U L U\''.split(" ")

# Values from the challenge
CHALL_PHDR = 'B2 R U F\' R\' L\' B B2 L F D D\' R\' F2 D\' R R D2 B\' L R'.split(" ")
CHALL_LHDR = 'L\' L B F2 R2 F2 R\' L F\' B\' R D\' D\' F U2 B\' U U D\' U2 F\''.split(" ")
CHALL_MSG = 'L F\' F2 R B R R F2 F\' R2 D F\' U L U\' U\' U F D F2 U R U\' F U B2 B U2 D B F2 D2 L2 L2 B\' F\' D\' L2 D U2 U2 D2 U B\' F D R2 U2 R\' B\' F2 D\' D B\' U B\' D B\' F\' U\' R U U\' L\' L\' U2 F2 R R F L2 B2 L2 B B\' D R R\' U L'.split(" ")

nbulischeck

#include <mysql.h>

int commit_db(MYSQL *con){
	MYSQL_STMT *stmt;
	MYSQL_BIND bind[2];
	my_ulonglong affected_rows;
	item_t *curr = items_list;

	int count, param_count;
	unsigned long str_length;

nbulischeck

BACKDOOR := backdoor

obj-m := $(BACKDOOR).o
$(BACKDOOR)-y += poc.o

default: all

all:
	make -C /lib/modules/$(shell uname -r)/build M=$(PWD) modules

nbulischeck

Nick's CTF

A CTF that challenges you from trivia questions to reverse engineering ELF binaries.

Recommended Tools

• netcat
  • gnu-netcat
  • nc6
  • openbsd-netcat (discouraged)

nbulischeck

#include <stdio.h>
#include <string.h>
#include <stdlib.h>

struct view { const char *s; size_t len; };

size_t partition(struct view *result, size_t n,
					const char *str, const char *delim){
	char *startp = (char *)str, *endp;
	size_t l = strlen(delim), i = 0;