Posts on sn00py1310's Blog

Writeup Simple Food Notifications

Sun, 21 Jun 2026 20:00:00 +0200

Notes: This is a writeup from the author of the challenge. The handout is simple-food-notifications.tar.gz.

Short challenge description Link to heading

Users can simulate ordering food on the website and receive a notification on a provided callback URL. The goal of the challenge is to request /vip-meal from the IP 127.0.0.1.

Challenge description Link to heading

The challenge simulates a website where users can order food and receive notifications once it’s ready. The ordering logic has a simple rate limiting mechanism and starts a new thread for each order.

Writeup Painting Dice

Sun, 22 Jun 2025 00:00:00 +0200

Notes: This is a writeup from the author of the challenge. The handout is painting-dice.tar.gz.

Short challenge description Link to heading

User can update a profile with HTML and CSS. Javascript execution is not possible because of a Strong CSP. User can requests a review from the admin bot, which then sends them a screenshot from their profile. To get the flag the user needs to be upgraded.

Microsoft spoofs emails because of wrong SPF records for Hotmail.com

Fri, 18 Aug 2023 04:30:00 +0200

The Story Link to heading

Today I wanted to test SimpleLogin and check what the service can and can’t do. So I created an account and tried the email forwarding. So I did send a mail from my Gmail to my Hotmail account over the SimpleLogin forwarding service. SimpleLogin also supports reverse aliases which allows you to send email to a specific generated mail. They then forward the mail for you to the original email but from their email server, so your email address stays private. When I tested this feature and the email was sent, there were only responses similar to the Proton Mail Rejection.

VeraCrypt - How to block the Windows format drive popup

Wed, 30 Nov 2022 00:00:00 +0000

The story Link to heading

VeraCrypt is a good software, but it there is one downside. If you have an encrypted partition you get a annoying popup on Windows: “Format the Disk before You Can Use It”. This was getting really annoying to me so I spend a lot of time reading through Google and finding a loot of partial solutions. All of them where only for the current PC, but I want something which worked on every PC and now we are here.