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2018

Pwn2Win 2018 - GCM

These were the steps to resolve Pwn2Win 2018’s GCM challenge, a challenge about a critical vulnerability in Python’s cryptography package....

Pwn2Win 2018 - Attack Step [First Flag]

These were the steps to solve the First Flag of Attack Step. We solved this with little time left so...

ASIS CTF Finals 2018 - Gunshop and Gunshop II

One Frida script for two Flags ASIS 2018 Gunshop and Gunshop II challenges were about an Android app. And I...

RITSEC CTF 2018 - PCAP Me If You Can

PCAP Me If You Can (forensics 300) The hackers have written their own protocol for their MALL-ware. Can you figure...

HACKAFLAG 2018 - Etapa São Paulo - Siga a api [PT-BR]

“Siga a api” (500) Descrição: Essa misc é um net enrustido, siga o dump até o usário. #sejabonzinho não owne...

NoxCTF 2018 - Marcode

“Marcode” (1000) Description: Marcode (Mr. Code in Hebrew), Ineed your help! I got a movie but I cant see it....

HackIT CTF 2018 - PyCry Writeup

This challenge was a teamwork challenge. First, @diofeher discovered that we could run python on the server by sending code...

Tokyo Westerns CTF - Revolutional Secure Angou Writeup

In this challenge we are given an encrypted file, flag.encrypted, a public key publickey.pem, and a prime generator generator.rb. flag.encrypted...

Tokyo Westerns CTF - SimpleAuth Writeup

This challenge when I got it, I did not even know its description, but I really like that kind of...

HACKAFLAG 2018 - Etapa Salvador - FailedBook

FailedBook (web500) Description: do it all you need to get shell Autor: @keerok URL: http://chall.hackaflag.com.br:8664 Below, the main page of...

HACKAFLAG 2018 - Etapa Belo Horizonte - Luz [PT-BR]

“Luz” (500) Descrição: Há uma luz no fim do túnel. Acenda e encontre a saída. Autor: @dr1nKoRdi3 Anexo: challmisc.tar O...

TJCTF - Ess Kyoo Ell Writeup

This challenge is interesting, sometimes it does not seem very realistic, but if you take the side of that every...

TJCTF - Request Me Writeup

This challenge is really silly, but what is annoying, is that he was blocking the use of the Burp Suite...

ISITDTU CTF 2018 - Drill Writeup

“Drill” (1000) Description: There is no description, only this link. Downloaded the file named drill and used the cat command....

ISITDTU CTF 2018 - Friss Writeup

This challenge happened this weekend and I enjoyed a lot it’s solving, also got a first blood here :) At...

AsisCTF 2018 - Tokyo

Tokyo Category: Forensics Description: From Tokyo to Tehran with strange packs! Shake It Up 😜 Hint 1: Kyoto Cabinet (This...

AsisCTF 2018 - Trashy or Classy

“Trashy or Classy” (500) Description: Don’t be Trashy. Try being Classy!! Downloaded the file and used de file command to...

NoNameConCTF - Convert Writeup

NoNameConCTF - Convert Writeup Convert 100 If you need to convert something to Markdown, you can try our service: http://convert.nonameconctf2018.xyz...

SunshineCTF - Search Box Writeup

SunshineCtf - Search Box Writeup “This search engine doesn’t look very secure. Or well coded. Or competent in any way...

SunshineCTF - Marceau Writeup

SunshineCtf - Marceau Writeup “Marceau Hey my friend tells me that the flag is in this site’s source code. Idk...

SunshineCTF - Home Sweet Home Writeup

SunshineCtf - Home Sweet Home Writeup "Home Sweet Home Looks like this site is doing some IP filtering. That's very...

SunshineCTF - Evaluation Writeup

SunshineCtf - Evaluation Writeup "Evaluation Evaluate your life. How are you doing, and are you doing the best you can...

INS'hAck - Crimemail Writeup

INS’hAck - Crimemail Writeup “service, to communicate with his associates. Let’s see if you can hack your way in his...

Byte Bandits CTF - R3M3MB3R Writeup

Byte Bandits CTF - R3M3MB3R Writeup The following page was given by the task: Without second thoughts, it’s clear this...

N1CTF 2018 - Funning eating cms

N1CTF - Funning eating cms “a strange online reservation system for restaurants, please hacking it” This challenge told us little,...

Pragyan CTF - Unfinished Business

Pragyan CTF - Unfinished business (Web 100pts) This challenge sent to the following page: When I tried to login, the...

Pragyan CTF - El33t Articles Hub

Pragyan CTF - El33t Articles Hub (Web 200pts) This challenge sent us to the following page: After a few attempts...

NeverLAN - Don't hate me

Don’t hate me This Message just might make you crazy. Lets take a stroll through the cipher history time line...

NeverLAN - JSON parsing 1

JSON parsing 1 (200) Description: The attached file is metadata about one minute’s uploads to VirusTotal. The answer to this...

NeverLAN - Cookie Monster

“cookie_monster” (50) Description: http://neverlanctf-challenges-elb-2146429546.us-west-2.elb.amazonaws.com:14098/ 1.A little recon in case you don’t know who is “cookie monster” Google search “cookie monster”...

NeverLAN - Siths use Ubuntu (Part 1 of 3)

Siths use Ubuntu (Part 1 of 3) (125) Author: bashninja Description: Ok… So the boss of your company has come...

2017

CTF Writeups and Tools List to Get You Ready

Another article from Felipe “d4rc0d3x”, now about the world of hacker commits better known as CTF (Capture the Flag). Access...

CSAW 2017 Quals - Serial - [PT-BR]

Challenge: Temos um servidor dando para a porta 4239, conectando via nc o servidor retornou o seguinte: nc misc.chal.csaw.io 4239...

WhiteHat Contest 13 - Tuy Hoa

There’s a binary file that checks for a password. $ file re100 re100: ELF 64-bit LSB executable, x86-64, version 1...

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