Challenge Description: We are given a 64-bit ELF executable named “ringtrue”. The program prompts us for eight tone samples (integers) and…

Challenge Description: We are provided with a file named “cinderbound.mpy”. The goal is to reverse the file and retrieve the flag.

A Windows API journey from User Mode to Kernel Mode — and the sneaky trick attackers use to avoid the guards.

Popping Shells: When servers become puppets!

The beachside guest-experience build shipped on a deadline, and the night-shift developer wired the “jukebox straight into the floor with…

An in-depth reverse engineering walkthrough of the MalOps.io malware challenge.

App name and package identifiers below have been redacted or replaced with placeholders. Techniques and code are real and unmodified from…

Disclaimer: This article is for educational purposes only. It explains how modern malware operates to help security professionals and…

Hey everyone! I’m Muhammad Jilani (aka Silentzer0).

Blinkit’s delay in “back in stock” notifications caused me to miss out on limited edition HotWheels, so over the weekend, I decided to…

Concierge Briefing

A technical walkthrough of deobfuscating JavaScript, dumping EVM bytecode, and resolving blockchain command and control infrastructure.

PicoCTF — Investigative Reversing 0 & Investigative Reversing 1

You send a request: Get /orders Authorization: Bearer eyfghj…..

Hacker Holidays 2026 — Day 12: After Hours Walkthrough Day 12 was a little different from the previous rooms. Instead of immediately throwing Nmap or Burp at something, we were given a bunch of …

I’ve always wondered how some people were able to reverse security vulnerabilities and create exploits shortly after their disclosure. So I…