schmich

# Check a single password interactively.
# Usage: ruby pwned-interactive.rb

require 'io/console'
require 'open-uri'
require 'digest'

puts "The 5-character prefix of the password's SHA-1 hash will be sent."
puts "For details, see https://www.troyhunt.com/ive-just-launched-pwned-passwords-version-2/"
print 'Password (hidden): '

schmich

Programming Media Keys on the Ducky One 2 Skyline

To use media keys on the Ducky One 2 Skyline, you must record a macro to bind the media function to a hotkey combination, i.e. Fn plus some key.

Example

Important: In the instructions below, "Press X+Y+Z" means press and hold key X, press and hold key Y, press and hold key Z in that order, and then release all three.

As an example, to bind Fn+PgUp to the play/pause media function:

schmich

• Update package.json, set version to a prerelease version, e.g. 2.0.0-rc1, 3.1.5-rc4, ...
• Run npm pack to create package
• Run npm publish <package>.tgz --tag next to publish the package under the next tag
• Run npm install --save package@next to install prerelease package

schmich

Single file

Source

• cat /foo/bar/file.txt | openssl enc -aes-256-cbc -base64 | nc termbin.com 9999
• Enter password twice (quickly), note termbin.com URL

Destination

• curl -s http://termbin.com/{id} | openssl enc -aes-256-cbc -base64 -d > file.txt

schmich

REM In admin prompt
REM Ensure web server/application is listening on all interfaces (0.0.0.0)

netsh interface portproxy add v4tov4 listenaddress=0.0.0.0 listenport=80 connectaddress=10.0.75.2 connectport=80
netsh advfirewall firewall add rule name="App" dir=in action=allow protocol=TCP localport=80 remoteport=80
netsh interface portproxy show v4tov4
netsh advfirewall firewall show rule "App"

netsh interface portproxy delete v4tov4 listenaddress=0.0.0.0 listenport=80
netsh advfirewall firewall del rule name="App"

schmich

Multi-account Gmail

Google Apps note

• If your secondary account is hosted on Google Apps, you might need to allow less secure apps to enable sending and forwarding
• See details here

Primary account

• Settings > Accounts and Import > Send mail as > Add another email address you own

schmich

Signing git tags on Windows

• Download and install Gpg4win Vanilla (command-line only GPG tools)
• Create or import an existing key in Windows
  • Create a new key
    • ...
  • Import an existing key
    • On origin system, gpg -a --export-secret-keys you@email.com > secret.key
    • Transfer secret.key to Windows, delete it from origin system
• On Windows, run gpg --allow-secret-key-import --import secret.key

schmich

sudo echo 192.168.1.42 webserver >> /etc/hosts
sudo cat >> ~/.ssh/config <<EOF
Host webserver 192.168.1.42
User user1
Hostname webserver
IdentityFile ~/.ssh/id_rsa
EOF
cat ~/.ssh/id_rsa.pub | (ssh user@webserver "mkdir -p .ssh && cat >> ~/.ssh/authorized_keys")
git init project
cd project

schmich

<?xml version="1.0" encoding="utf-8" ?>
<CodeSnippets  xmlns="http://schemas.microsoft.com/VisualStudio/2005/CodeSnippet">
  <CodeSnippet Format="1.0.0">
    <Header>
      <Title>dw</Title>
      <Shortcut>dw</Shortcut>
      <Description>Code snippet for Debug.WriteLine</Description>
      <Author>Chris Schmich</Author>
      <SnippetTypes>
        <SnippetType>Expansion</SnippetType>

schmich

# Download desktop-resolution wallpapers from http://psiupuxa.com/
# into the current directory.
 
require 'nokogiri'
require 'open-uri'
require 'openssl'
require 'uri'
 
# Disable SSL verification. Ruby SSL cert bundle isn't installed on Windows by default.
OpenSSL::SSL::VERIFY_PEER = OpenSSL::SSL::VERIFY_NONE