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2025

Module

T-Cache Index Calculation

An explanation of how the t-cache index is calculated in glibc's memory allocator.
Module

Fastbin Double-Free

Tricking malloc into returning an already-allocated heap pointer by abusing the fastbin freelist.
Module

Fastbin Dup with malloc_consolidate

Leveraging malloc_consolidate and a double free to duplicate a pointer to a tcache-sized chunk.
Module

Fastbin Dup into Stack

Extending the fastbin double-free to trick malloc into returning a pointer to a controlled location on the stack.
Module

House of Spirit

An attack that tricks free() into adding a non-heap pointer (e.g., a stack address) to a fastbin, leading to an arbitrary allocation.
Module

Overview: Chunk Anatomy

A visual overview of what allocated and freed chunks look like in different glibc bins.
Module

First-Fit Algorithm

An explanation of the first-fit algorithm used by glibc's memory allocator.
Module

Pwn

A collection of resources and write-ups on binary exploitation (pwn).
Module

Codename Neigh

Exploit writeup for 'Codename Neigh', a web challenge from nullCTF
Module

Codename Neigh 2

Exploit writeup for 'Codename Neigh 2', a web challenge from nullCTF
Module

Next Jason

Exploit writeup for 'Next Jason', a web challenge from nullCTF
Module

sketchy

Exploit writeup for 'sketchy', a pwn challenge from nullCTF
Blog

Low Level C

Cheatsheet
Blog

Binex Heap

Cheatsheet
Blog

Binex Stack

Cheatsheet
Blog

Test page

lmaoo
Blog

Axum Cheatsheet

From its examples
Blog

Frustated with Windows? Here's a Linux Setup with All the Apps You Need!

with essential alternative applications for productivity, development, and entertainment.
Blog

Vimium Black Hint

Better than the default Vimium hint
Blog

Thesis Template conf.typ

Adjust it with your own uni, dont forget to change the image
Blog

Rust Cheatsheet

From LetsGetRusty
Blog

Recovery Tools Cheatsheet

At least, it works. With .dd image demo
Blog

SSL Setup Cheatsheet

At least, it works. With Apache as a demo

2023

Module

Fun

A collection of CTF write-ups and other fun challenges.
Blog

A Cool 'cat' Alternative as a Text Printer in Terminal

With syntax highlighting and git integration

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