Becojo

defmodule Utils do
  def fix(f, x) do
    f.(&(fix(f, &1)), x)
  end
  
  def fix(f) do
    fn x ->
      fix(f, x)
    end
  end

Becojo

{-# LANGUAGE FlexibleInstances, IncoherentInstances #-}

import Control.Monad

data Id a = Id a
          deriving Show

instance Monad Id where
  (Id x) >>= f = f x
  return = Id

Becojo

#!/usr/bin/env ruby

require 'canal'

if ARGV.empty?
  puts %q{usage: hexdump [hex hex hex ...]}
else
  puts ARGV.map(&canal.chars
                      .each_slice(2)
                      .to_a

Becojo

Login As Admin!(2)

http://login2.chal.mmactf.link/	Web	200 points

This challenge, at first, didn't seem vulnerable. Using the test credentials that were provided, we see that a random token is assigned to the user in a cookie named ss.

I finally stumbled onto something interesting when I submited a request the cookie ss present but with an empty value.

$ curl "http://login2.chal.mmactf.link/" --cookie "ss="

Becojo

Experimental Mongo support for ActiveRecord.

Here is an instructional video:

http://www.youtube.com/watch?v=kPfHxygdOjc

Becojo

var http = require('http');
var url = require('url');

var Router = function(){
  this.routes = {};
  return this;
};
Router.prototype.addRoute = function(route){
  this.routes[route.name] = route;

Becojo

<?php

set_time_limit (0);

$address = '127.0.0.1';
$port = intval($argv[1]); // php server.php 3000


$sock = socket_create(AF_INET, SOCK_STREAM, 0);
try {

Becojo

alias airport=/System/Library/PrivateFrameworks/Apple80211.framework/Versions/Current/Resources/airport

if [ `airport -I|grep -c FXG` -eq "1" ]; then
  export http_proxy="proxy.cegep-fxg.qc.ca:80"
fi

Becojo

print$ARGV[0]=~s/(\w\W*\w)/ucfirst$1/egr;

Becojo

PVector[] stars;
int startsCount = 700;
float z = 0;

void setup()
{
  int i;
  
  size(800, 450, P3D);
  noFill();