h1-ctf: The Return of the Grinch

Read the full writeup here: https://github.com/tarifas90/CTF-Writeups-2021/blob/main/hackyholidasy2021.md...

h1-ctf: Adam and the Deadly Injections

Hi team adding the flag here ███ ████ I will do the writeup in the below comments before the deadline itself Thanks Akshansh Impact...

h1-ctf: H1-CTF 100k Solution - Congratz on the 100k Rep todayisnew

Sharing the final flag for now. Writeup will come soon ██████ ██████████ Impact Takeover of admin account :...

h1-ctf: ccc ctf

██████████ will send detailed report later Impact can get admin credentials...

h1-ctf: [100K-ctf] Multiple vulnerabilities leading to compromise of Pinger instance.

Hello, Gonna just submit flags first then will send my write up later tomorrow. ████ ██████ Thanks for fun! Impact An attacker can compromise Pinger instance located on https://ccc.h1ctf.com/2b5d2b11513d2c9b by chaining multiple vulnerabilities on https://ccc.h1ctf.com/...

h1-ctf: HackyHolidays H1 CTF Writeup

HackyHolidays Day 1 Once the CTF started and the Grinch released the scope hackyholidays.h1ctf.com, I started the CTF by a good old Nmap scan, to see whats running on the server. So the nmap command looked like nmap -sC -sV -oA nmap hackyholidays.h1ctf.com/. The result showed a promising entry...

h1-ctf: Invading Grinch Network and Saving Christmas

How we saved Christmas As usual with H1 CTF challenges we are provided with a target URL. In our case it is the following: https://hackyholidays.h1ctf.com/ We started by visiting the URL and see what is going on. All we could see is a page with an image with a warning message. F1125722 We quickly...

h1-ctf: ctf walkthrough

Hi, finally managed to solve all challenges, this was my first h1ctf, some challenges were pretty nice, some others had some frustrating guessing parts, but overall it was fun. Here goes day1 to day12 walkthroughs: Day 1 we have only one asset in scope hackyholidays.h1ctf.com the main page at...

h1-ctf: [h1-2006 2020] CTF Walkthrough

h1-2006-ctf Writeup June 2020 https://hackerone.com/h1-ctf/ The Competition Begins! The tweet announces the CTF challenge. Looks like we will need to find a way to process some payments. F863442 Initial Exploring Reading up on the extended description at https://hackerone.com/h1-ctf/ reveals that...

h1-ctf: [H1-2006 2020] Includes 1 free content discovery

Summary Got it! Thanks guys for going through the trouble to make these. Best regards @nahamsec @adamtlangley @B3nac for hosting and @hackingfish @zonkism and @clos for peer support to make it. Writeup to follow, but let's have the flag first! F859962 Impact Participating in CTFs can cause...

h1-ctf: [H1-2006 2020] H1-CTF writeup

Summary: I've just solved the challenge, I will submit the write-up tomorrow. Impact Flag: ^FLAG^736c635d8842751b8aafa556154eb9f3$FLAG$...

h1-ctf: [H1-2006 2020] H1-2006 CTF Writeup

Hi! The challenges were really great. I had a lot of fun and I can honestly say I learned a few tricks during this journey. I will be submitting the flag now and will work on a very good writeup until the deadline. My reasoning is that there are two different prizes, one for the first ten and...

50m-ctf: Writeup

h1 50M CTF =========== This is my solution for the h1 ctf. On the 27th of february h1 posted this tweet: Since there is no link no any sort of challenge I supposed the challenges is self contained inside this tweet. My guess was the first clue is inside the embeded picture, and since the second o...