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Writeups

Security Writeups

CTF writeups, machine walkthroughs, and security challenge solutions.

All Writeups

77 available
hack the-boxmediumLinux

Silentium

01

VHost fuzzing

02

CVE-2025-58434 for account takeover

thunderciphermediumLinux

WebAdmin

01

Enumerated admin panel

02

Found authentication weakness

thunderciphereasyLinux

Web2Shell

01

Enumerated web application

02

Found file upload vulnerability

thunderciphermediumLinux

Trivarna

01

Scanned target with nmap

02

Enumerated web application

thunderciphermediumLinux

StegoVault

01

Enumerated steganography challenge

02

Extracted hidden data

thunderciphereasyLinux

ReconCipher

01

Performed reconnaissance

02

Identified open services

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Polo

01

Nmap scan revealed services

02

Enumerated web server

thunderciphermediumLinux

PageVault

01

Scanned target with nmap

02

Enumerated page vault application

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Mr.Robot

01

Enumerated target system

02

Found vulnerable service

thunderciphereasyLinux

MidnightLeak

01

Initial enumeration

02

Discovered data leak

thunderciphermediumLinux

Deathnote

01

Scanned target with nmap

02

Enumerated web application

thundercipherhardLinux

CyberHunt2

01

Comprehensive enumeration

02

Found multiple attack vectors

thunderciphermediumLinux

Chain

01

Identified chain of vulnerabilities

02

Exploited initial foothold

thunderciphermediumLinux

Behind The Proxy

01

Enumerated proxy configuration

02

Found proxy bypass vulnerability

hack the-boxeasyLinux

WingData

01

Scanned target with nmap

02

Enumerated data application

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VariaType

01

Nmap scan revealed services

02

Enumerated typing application

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Soulmate

01

Scanned target with nmap

02

Enumerated web server

hack the-boxmediumLinux

Sorcery

01

Nmap scan revealed services

02

Enumerated web application

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Snapped

01

Initial enumeration

02

Discovered snapshot application

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Signed

01

Scanned target with nmap

02

Enumerated services

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Rebound

01

AD enumeration

02

Identified complex misconfiguration

hack the-boxmediumLinux

Pterodactyl

01

Nmap scan revealed services

02

Enumerated game server panel

hack the-boxmediumWindows

Principal

01

AD enumeration

02

Identified vulnerable service

hack the-boxhardLinux

Pirate

01

Pre-Windows 2000 Compatible Access group membership

02

LSA Secrets storing cleartext domain credentials

hack the-boxmediumLinux

Overwatch

01

Comprehensive enumeration

02

Identified monitoring system vulnerability

hack the-boxeasyLinux

NanoCorp

01

Nmap scan revealed services

02

Enumerated corporation website

hack the-boxmediumLinux

Logging

01

Initial enumeration

02

Discovered logging application

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Kobold

01

Scanned target with nmap

02

Enumerated web application

hack the-boxmediumLinux

Interpreter

01

Nmap scan revealed services

02

Enumerated interpreter application

hack the-boxmediumWindows

Intelligence

01

AD enumeration

02

Identified GPO vulnerability

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Hercules

01

Scanned target with nmap

02

Enumerated services

hack the-boxhardLinux

Helix

01

Comprehensive enumeration

02

Identified multiple attack vectors

hack the-boxmediumLinux

Guardian

01

Initial enumeration

02

Discovered security application

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Giveback

01

Nmap scan revealed services

02

Enumerated web application

hack the-boxhardLinux

Gavel

01

In-depth enumeration

02

Identified complex vulnerability chain

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Fries

01

Scanned target with nmap

02

Enumerated web application

hack the-boxmediumLinux

FireFlow

01

Comprehensive enumeration

02

Identified workflow engine vulnerability

hack the-boxeasyLinux

Facts

01

Nmap scan revealed services

02

Enumerated web server

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Expressway

01

Scanned target with nmap

02

Enumerated services

hack the-boxmediumLinux

Eloquia

01

Initial enumeration

02

Discovered web application

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Eighteen

01

Nmap scan revealed services

02

Enumerated web application

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DevArea

01

Scanned target with nmap

02

Enumerated development environment

hack the-boxhardLinux

DarkZero

01

Comprehensive enumeration

02

Identified complex attack chain

hack the-boxmediumLinux

Conversor

01

Nmap scan revealed services

02

Enumerated conversion service

hack the-boxmediumLinux

Cobblestone

01

Initial enumeration

02

Discovered web application

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CCTV

01

Scanned target with nmap

02

Enumerated camera management system

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Browsed

01

Nmap scan revealed services

02

Enumerated web server

hack the-boxmediumLinux

Breach

01

Comprehensive enumeration

02

Identified vulnerable web application

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AirTouch

01

Nmap scan revealed open services

02

Enumerated web application

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VulnNet: dotpy

01

Scanned target with nmap

02

Enumerated Python web application

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VulnNet: Roasted

01

AD enumeration

02

Identified ASREPRoastable accounts

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VulnNet: Node

01

Nmap scan revealed Node.js application

02

Enumerated API endpoints

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VulnNet: Internal

01

Network enumeration

02

Identified internal services

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VulnNet: Active

01

AD enumeration with BloodHound

02

Identified Kerberoastable accounts

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Sustah

01

Initial enumeration

02

Discovered web application

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Reset

01

Nmap scan revealed services

02

Enumerated web server

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RazorBlack

01

Scanned target with nmap

02

Enumerated web application

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Operation Endgame

01

Comprehensive enumeration

02

Identified multiple attack vectors

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One Piece

01

Nmap scan revealed services

02

Enumerated web application

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Message to Garcia

01

Scanned target with nmap

02

Enumerated services

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Lumberjack Turtle

01

Nmap scan revealed open ports

02

Enumerated web server

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Ledger

01

Initial nmap scan

02

Enumerated web application

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Jack

01

Scanned target with nmap

02

Enumerated running services

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IronShade

01

Nmap scan revealed services

02

Enumerated web server

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Inferno

01

Scanned target with nmap

02

Enumerated web application

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Hopper Origins

01

Initial enumeration with nmap

02

Discovered web application

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Exfilibur

01

Nmap scan revealed web services

02

Enumerated application for data exfiltration vectors

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Enterprise

01

Performed comprehensive AD enumeration

02

Identified misconfigurations in Group Policy

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Eavesdropper

01

Scanned target with nmap

02

Enumerated web server and found exposed files

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Devie

01

Initial enumeration with nmap

02

Discovered web application with development endpoints

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Debug

01

Nmap scan revealed multiple services

02

Enumerated web application for debugging endpoints

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CupidCards

01

Scanned target with nmap

02

Enumerated web application endpoints

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Chains of Love

01

Enumerated web application for SSRF vulnerabilities

02

Discovered internal services through SSRF

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Brute

01

Scanned target with nmap

02

Enumerated web application for input vectors

tryhackmeeasyLinux

Biblioteca

01

Performed nmap scan to identify web server

02

Discovered hidden directory through manual enumeration

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Attacktive Directory

01

Enumerated AD environment using BloodHound

02

Identified Kerberoastable service accounts

tryhackmeeasyLinux

Annie

01

Ran nmap scan to discover open ports (SSH, HTTP)

02

Enumerated web directory and found WordPress installation