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Cryptography - Breaking Single Byte XOR Encryption

In this post we’ll cover how to decrypt messages that have been XOR encrypted using a single byte key, such as b7. While this might not sound that useful, it’s a pre-cursor to breaking XOR encrypti...

Cryptography - PKCS#7 Padding

This post will show how PKCS#7 Padding works for block ciphers like DES and AES. This post includes visual examples and the edge case to be aware of. PKCS#7, which includes message padding, is defi...

BaseN Converter

This tool can convert from UTF-8 strings to BaseN (any arbitrary base). It can also convert from BaseN to UTF-8 or HEX. The conversion alphabet can also be specified for these conversions as well. ...

Maze Colouring with DFS and BFS

Maze colouring using BFS (Breadth-First Search) and DFS (Depth-First Search). For reference, the mazes in the below examples were generated using the Randomized Depth-First Search (Recursive Backtr...

FABRIK Algorithm

In this post we’ll look at how to implement the FABRIK algorithm in 2D in JavaScript using the p5.js library for drawing. The Forward And Backward Reaching Inverse Kinematics (FABRIK) algorithm is ...

Android Hooking in Frida

Intro guide on how to use Frida to hook Android applications at runtime to inject code and override methods. This guide already assumes you have frida installed and have frida-server installed on y...

JSP War Shell

How to generate a reverse, bind, and in-browser JSP War shell. This will cover generating payloads with MSFVenom and manually creating a war file from our own JSP file(s). JSP War Shell MSFVeno...

SSH Port Forwarding

Guide for basic SSH usage and SSH Port Forwarding. Basic SSH Connect to Host Connect to Host with Private Key Connect to Host with Certain KeyExchange & Cipher ...

Mobile Useful

Collection of commands for when working with Android and iOS devices. Device must be Rooted/Jailbroken for almost all commands. Both Objection Search Files for String Sea...

Netsh Get Info

Collection of interesting and useful commands for the Netsh tool in Windows. Netsh has a huge amount of functionality, this is by no means exhaustive. Description Command ...