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hackthebox

hackthebox

6 posts

portswigger

portswigger

0 posts

programming

programming

3 posts

blog

blog

0 posts

ctf

ctf

3 posts

2025-10-26 986 words 5 mins

Hacklu - XOD

XOD Description The challenge give us an DNS over HTTPS server wrote on php: <?php header("Content-Security-Policy: default-src 'self' 'unsafe-eval'; style-src 'unsafe-inline'"); if (!isset($_GET['dns']) || !is_string($_GET['dns'])) { …
2025-08-12 143 words 1 min

leetcode - Power of Two

Power of Two Description Given an integer n, return true if it is a power of two. Otherwise, return false. An integer n is a power of two, if there exists an integer x such that n == 2x Example 1: Input: n = 1 Output: true Explanation: 20 = 1 Example 2: Input: n = 16 Output: true Explanation: 24 = …
2025-08-11 299 words 2 mins

leetcode - Fruits Into Baskets II

Fruits Into Baskets II Description You are given two arrays of integers, fruits and baskets, each of length n, where fruits[i] represents the quantity of the ith type of fruit, and baskets[j] represents the capacity of the jth basket. From left to right, place the fruits according to these rules: …
2025-08-10 117 words 1 min

leetcode - Contains Duplicate

Contains Duplicate Description Given an integer array nums, return true if any value appears at least twice in the array, and return false if every element is distinct. Example 1: Input: nums = [1,2,3,1] Output: true Explanation: The element 1 occurs at the indices 0 and 3. Example 2: Input: nums = …
2025-07-28 192 words 1 min

wwctf - Domain of Doom Revenge

Domain of Doom Revenge Description You’re querying domains, but some lead to dangerous places The flag is hidden in an environment variable. Solve They provided us with the source code of the web application. Here, we can see a regular expression that attempts to sanitize the input, which is …
2024-08-14 743 words 4 mins

Book

Reconocimiento Nmap Escaneamos la maquina para ver que puertos tiene abiertos: nmap -p- --open --min-rate 5000 -Pn -n 10.10.10.176 PORT STATE SERVICE 22/tcp open ssh 80/tcp open http Gobuster Uso gobuster para hacer fuzzing para ver posibles directorios o archivos ocultos: gobuster dir -w …
2024-07-24 1757 words 9 mins

Cascade

Reconocimiento Nmap Escaneamos la maquina para ver que puertos tiene abiertos: nmap -p- --open -sS --min-rate 5000 -Pn -n 10.10.10.182 PORT STATE SERVICE 53/tcp open domain 88/tcp open kerberos-sec 135/tcp open msrpc 139/tcp open netbios-ssn 389/tcp open ldap 445/tcp open microsoft-ds 636/tcp open …
2024-07-22 566 words 3 mins

Mantis

Reconocimiento Nmap Escaneamos la maquina para ver que puertos tiene abiertos: nmap -p- --open --min-rate 5000 -Pn -n 10.10.11.8 PORT STATE SERVICE 53/tcp open domain 88/tcp open kerberos-sec 135/tcp open msrpc 139/tcp open netbios-ssn 389/tcp open ldap 445/tcp open microsoft-ds 464/tcp open …
2024-07-22 1781 words 9 mins

Sizzle

Reconocimiento Nmap Escaneamos la maquina para ver que puertos tiene abiertos: nmap -p- --open --min-rate 5000 -Pn -n 10.10.11.8 PORT STATE SERVICE 21/tcp open ftp 53/tcp open domain 80/tcp open http 135/tcp open msrpc 139/tcp open netbios-ssn 389/tcp open ldap 443/tcp open https 445/tcp open …
2024-07-10 722 words 4 mins

Reel

Reconocimiento Nmap Escaneamos la maquina para ver que puertos tiene abiertos: nmap -p- --open --min-rate 5000 -Pn -n 10.10.10.77 PORT STATE SERVICE 21/tcp open ftp 22/tcp open ssh 25/tcp open smtp 135/tcp open msrpc 139/tcp open netbios-ssn 445/tcp open microsoft-ds 593/tcp open http-rpc-epmap …