BrunnerCTF : WordPressed to Root Writeup
Overview The box ships a mostly-stock WordPress 7.0.0 install on PHP 8.2 / Apache, running on a Debian Trixie base image, packaged as a Docker/Kuber…
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BrunnerCTF 2026 - Welcome Aboard (Web)
Summary The Brunnerne Inc. internal wiki sits behind layered infrastructure. Direct access to /wiki/internal/flag (hinted by robots.txt ) returns a…
My AI Agent Captured the Flag. Then the Platform Refused to Accept It.
Today was a good day and a weird day, in that order. The good part: the autonomous pentest agent I've been building — I call it HALO — went from "ru…
TryHackMe : The London Bridge writeup
Summary The London Bridge is built around a Flask "Explore London" gallery app served behind Gunicorn. A hidden /view_image endpoint takes a form-en…
We Built a Story-Driven Cybersecurity CTF with 14 Free Missions
Most CTFs are excellent at teaching a technique. But once the flag is captured, the context often disappears. We wanted to build something different…
TryHackMe : Packed Light Writeup
TL;DR A .pcapng capture shows a victim host on 192.168.1.141 downloading a Python keylogger ( updates.py ) from an attacker-controlled "hotel update…
HackTheBox : Void Whispers Writeup
Summary The "Void Whispers" mail-settings panel passes the user-supplied sendMailPath field directly into shell_exec("which $sendMailPath") with no…
BroncoCTF: Lovely Login
Executive Summary Lovely Login presents a minimal "Secure Database" login form backed by an Express API at /login . The obvious attack surface — NoS…
BroncoCTF : Super Secure Server
Executive Summary Super Secure Server presents a login form that appears to check a username and password, but does nothing of the sort. The page's…
BroncoCTF : Spot the difference Writeup
Challenge We're given two files, file1.txt and file2.txt , each containing what looks like a long, random blob of letters, digits, and symbols — one…
BronoCTF : LEts a GO Writeup
Category: Forensics / Misc Difficulty: Easy Flag: bronco{3ve4yth1ng_1s_aw3s0me} Challenge We're given lego_bricks_challenge.zip , a 63 KB archive. $…
BroncoCTF : Atomic Substitution Theory Writeup
Challenge We're given secret.txt , a single line of comma-separated tuples wrapped in what looks like braces and underscores: (4, 17), (2, 16), (2,…
BronocCTF : Proper Pwning Writeup
Category: Pwn / Binary Exploitation Difficulty: Medium Flag: bronco{1m_th3_b35t_PWN3r_1n_th3_wh0l3_w1d3_w0r1d} Challenge We're given proper.zip cont…
BronoCTF : Custom Cipher Writeup
Summary pscheme.py implements a toy "encryption" scheme that encodes each 4-byte chunk of the flag as extra roots multiplied directly into a public…
Sauna CTF HTB
Hi what’s up, welcome to my page. Today we are going to solve Sauna ctf in Hack The box. This ctf is about Active Directory, which is very important…
HackTheBox: FireFlow Writeup
Executive Summary FireFlow is a Linux machine running a fictional "Task Force Nightfall" intelligence platform. The web application exposes a Langfl…
HackTheBox: Postman Writeup
Summary Postman is an easy-rated Linux machine on HackTheBox. The box exposes an unauthenticated Redis instance that allows writing an SSH public ke…
StuxCTF — TryHackMe Writeup
Platform: TryHackMe Difficulty: Easy Category: Web, Cryptography, PHP Object Injection Overview StuxCTF chains together several techniques: Diffie-H…
PicoCTF Web Challenge Writeup: Failure Failure
Overview We're given two files — an HAProxy load balancer config and a Flask app. The goal is to retrieve the flag hidden on the backup server. Cate…
From Credentials to Domain Admin: Support Machine Writeup
Introduction The HackTheBox "Support" machine is a masterclass in realistic Active Directory exploitation. It demonstrates how a single exposed cred…
TryHackMe | BoilerCTF | WALKTHROUGH
LAB: BoilerCTF (TryHackMe) DIFFICULTY: Medium TARGET: root.txt TOOLS: Nmap, Gobuster VULNERABLE: SAR2HTML 3.2.1 (RCE) We'll gain root privileges and…
PicoCTF General Skills - 5 Challenge Walkthrough (Beginner Friendly)
I've been working through PicoCTF challenges as part of building my cyber-security foundation. These are my notes from the General Skills category,…