featherbear

OpenSSL command line Root and Intermediate CA

Creating root, intermediate and end-user certs

Prepare

Create a directory to contain everything

Create index files

touch certindex
echo 1000 > certserial

featherbear

About

Instructions to obtain WireGuard details of your NordVPN account. These can be used to setup a WireGuard tunnel on your router to NordVPN.

Source: https://forum.gl-inet.com/t/configure-wireguard-client-to-connect-to-nordvpn-servers/10422/27

Prerequisites

If you have any linux machine, use that or install a vm if you don't have one.

Get their official linux app installed. Make sure you have wireguard installed too. And set the used technology to Nordlynx by running nordvpn set technology nordlynx

featherbear

Controlling the Brother P-Touch Cube label maker from a computer

The Brother PTP300BT label maker is intended to be controlled using the official Brother P-Touch Design & Print iOS/Android app. The app has arbitrary limits on what you can print (1 text object and up to 3 preset icons), so I thought it would be a fun challenge to reverse engineer the protocol to print whatever I wanted.

Python code at the bottom if you want to skip the fine details.

Process

Intitially I had a quick peek at the Android APK to see if there was any useful information inside. The code that handles the communication with the printer in Print&Design turned out to be a native library, but the app clearly prepares a bitmap image and passes it to this native library for printing. Bitmaps are definitely something we can work with.

featherbear

Question 1

You are a security consultant. A large enterprise customer hires you to ensure that their security operations are following industry standard control frameworks. For this project, the customer wants you to focus on technology solutions that will discourage malicious activities. Which type of control framework should you focus on?

[ ] Preventative
[ ] Deterrent
[ ] Detective
[ ] Corrective
[ ] Assessment

featherbear

Using

• FPGA Development Board: RZ-EasyFPGA A2.2 from AliExpress, featuring the Altera Cyclone IV.
• OS: Ubuntu 18.04 LTS (bionic)

Quartus Installation

1. Get the Quartus Lite installer, ModelSim installer (optional), and the Cyclone IV development Package from the Altera website.
   • Get it here: https://www.altera.com/products/design-software/fpga-design/quartus-prime/download.html
   • You gotta click on Lite Edition > (Select version and OS) > Individual files and download: Quartus Prime (includes Nios II EDS) and Cyclone IV device support. Files are about 500MB - 2000MB.
2. Install Quartus. Root not required
   • Command:

featherbear

declare global {
  var logger: bunyan
}

import * as bunyan from 'bunyan'
globalThis.logger = bunyan.createLogger({
  name: "LOGGER"
})

featherbear

# Build Server
LIB_DIR=~/.opt/lib
BIN_DIR=~/.opt/bin
INCLUDE_DIR=~/.opt/include
cmake ../ -DProtobuf_INCLUDE_DIR=$INCLUDE_DIR/ -DProtobuf_PROTOC_LIBRARIES=$LIB_DIR/ -DProtobuf_PROTOC_EXECUTABLE=$BIN_DIR/protoc -Dsodium_INCLUDE_DIR=$INCLUDE_DIR -Dsodium_LIBRARY_RELEASE=$LIB_DIR/libsodium.a -Dsodium_LIBRARY_DEBUG=true -DUTEMPTER_INCLUDE_DIR=$INCLUDE_DIR -DProtobuf_LITE_LIBRARY=$LIB_DIR/libprotobuf-lite.so -DUTEMPTER_LIBRARIES=$LIB_DIR/libutempter.so -DCMAKE_INSTALL_PREFIX=$HOME/.opt



# Server
etserver --daemon --pidfile ~/.etserver.pid

featherbear

// ==UserScript==
// @name         GST in Australia
// @namespace    http://tampermonkey.net/aliexpress-gst
// @version      0.1
// @description  try to take over the world!
// @author       You
// @match        https://www.aliexpress.com/*
// @icon         https://www.google.com/s2/favicons?domain=aliexpress.com
// @grant        none
// ==/UserScript==

featherbear

@echo off
title youtube-dl %*
cd /d %USERPROFILE%\Downloads
youtube-dl --embed-thumbnail --extract-audio --audio-format mp3 -o "%%(title)s.%%(ext)s" %*

featherbear

life360_username="---"
life360_password="---"

import requests

urlPrefix = "https://api.life360.com/v3/"

print("Authorising...")
auth = requests.post(urlPrefix + "oauth2/token.json",headers=dict(Authorization="Basic cFJFcXVnYWJSZXRyZTRFc3RldGhlcnVmcmVQdW1hbUV4dWNyRUh1YzptM2ZydXBSZXRSZXN3ZXJFQ2hBUHJFOTZxYWtFZHI0Vg=="), data=dict(grant_type="password",username=life360_username,password=life360_password))
assert auth.status_code ==200