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Josh Terrill joshterrill

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@reteps
reteps / writeup.md
Created August 16, 2022 00:08

Defcon Badge Writeup

Hello! I ended up reverse-engineering the badge to get the correct note sequence, get the correct codes for the friends, and flashing a custom boot image to my badge. This short README will include the relevant functions to the challenges + boot images.

Whoami

Cybersecurity club admin at the University of Illinois, SIGPwny. We do CTFs and fun stuff! This year, we had Minh present on Rick Rolling his high school, and an alum, Ravi, present on PACMAN M1 Attacks. This summer, I was reverse-engineering and exploiting cellular modems.

Setup

@gilrosenthal
gilrosenthal / Fast.ai install script
Created July 4, 2018 20:14
Fast.ai Install on Google Colab
!pip install fastai
!apt-get -qq install -y libsm6 libxext6 && pip install -q -U opencv-python
import cv2
from os import path
from wheel.pep425tags import get_abbr_impl, get_impl_ver, get_abi_tag
platform = '{}{}-{}'.format(get_abbr_impl(), get_impl_ver(), get_abi_tag())
accelerator = 'cu80' if path.exists('/opt/bin/nvidia-smi') else 'cpu'
!pip install -q http://download.pytorch.org/whl/{accelerator}/torch-0.3.0.post4-{platform}-linux_x86_64.whl torchvision
@dobesv
dobesv / dev_signed_cert.sh
Last active March 21, 2024 07:47
Script to create (1) a local certificate authority, (2) a host certificate signed by that authority for the hostname of your choice
#!/usr/bin/env bash
#
# Usage: dev_signed_cert.sh HOSTNAME
#
# Creates a CA cert and then generates an SSL certificate signed by that CA for the
# given hostname.
#
# After running this, add the generated dev_cert_ca.cert.pem to the trusted root
# authorities in your browser / client system.
#
@Krewn
Krewn / ticker.py
Last active January 8, 2018 06:04
python 3 Stock Ticker with colored text and percent gain since last seen. Requires connection to Yahoo finance API .Includes indices for s&p 500 and NASDAQ
from termcolor import colored
_title = colored("----.----.----^", 'green')
print(_title)
InteractiveVersion = """"""
tickerQ= input('ticker?')
stockGroupSelection = input('Selection(snp | nasdaq):')
stockGroupSelection=stockGroupSelection.lower()
commandLineVersion="""
anonymous
anonymous / app.js
Created March 15, 2014 17:39
var express = require("express"),
http = require("http"),
async = require("async"),
sockjs = require("sockjs"),
uuid = require("uuid"),
url = require("url"),
redis = require("redis"); // for pubsub and to persist data if your app restarts
var app = express(),
redisClient = redis.createClient(),
@erichurst
erichurst / US Zip Codes from 2013 Government Data
Created December 9, 2013 23:00
All US zip codes with their corresponding latitude and longitude coordinates. Comma delimited for your database goodness. Source: http://www.census.gov/geo/maps-data/data/gazetteer.html
This file has been truncated, but you can view the full file.
ZIP,LAT,LNG
00601,18.180555, -66.749961
00602,18.361945, -67.175597
00603,18.455183, -67.119887
00606,18.158345, -66.932911
00610,18.295366, -67.125135
00612,18.402253, -66.711397
00616,18.420412, -66.671979
00617,18.445147, -66.559696
@briancollins
briancollins / StripeTutorialPage.html
Last active October 10, 2019 23:10 — forked from maccman/StripeTutorialPage.html
<!DOCTYPE html>
<html lang="en">
<head>
<meta http-equiv="Content-type" content="text/html; charset=utf-8" />
<title>Stripe Getting Started Form</title>
<!-- The required Stripe lib -->
<script type="text/javascript" src="https://js.stripe.com/v2/"></script>
<!-- jQuery is used only for this example; it isn't required to use Stripe -->