TryHackMe: Network Services Room Writeup

The room: Learn about, then enumerate and exploit a variety of network services and…

TryHackMe: Hackpark Room Writeup

Bruteforce a websites login with Hydra, identify and use a public exploit then escalate your…

TryHackMe: Alfred Room Writeup

Exploit Jenkins to gain an initial shell, then escalate your privileges by exploiting Windows…

Kotlin Cheatsheet: Scope Functions (let, run, apply, also, with)

Note: this can be omitted.

TryHackMe: Mr Robot CTF Log

Can you root this Mr. Robot styled machine? This is a virtual machine meant for beginners/intermediate users…

Kotlin Cheatsheet: Coroutine Dispatchers

Kotlin coroutines make it easy to run asynchronous code, but…

Handle process statuses with Kotlin Sealed Classes

Do you have scenarios where different handling needs to be done according to the status of a process? Something like:

data class Result(
    val isSuccess: Boolean,
    val value: String?,  // non-null when isSuccess…

Use Java Nullability Annotations to facilitate conversion to Kotlin

A common approach to adopting Kotlin is to use it in existing projects either in new features or by gradually converting existing code from Java to Kotlin. In these scenarios it is very common for the newly…