The goal in the Capscii challenge was to solve 50 captchas consecutively in less than 100 seconds and prove that we are not human. The captcha was not your usual recognition of text though, it consisted of an operation (addition, subtraction or multiplication) on two numbers. Only problem, the numbers were printed as ASCII art on […]
This challenge was web based and contained a mix of XSS, CSRF and CSP bypass. We were given two web pages, admin. and bot.control.insomni.hack, and challenged to break into the administration panel to take the control of the bots. The admin page had a login form containing an obvious reflected Cross-Site Scripting (XSS). However, it […]
At this years Insomni’hack there was a fun Recon / OSINT challenge with the name “Who’s your daddy?”. A login page was presented to the participant, who had to try to reset the password of the page owner. On the login page the user was able to: Login with username / password Insert a username […]
Following the Insomni’hack 2017 teaser where the Smarttomcat1 challenge was available, a second version of the same challenge was proposed. Good write-ups for Smarttomcat1 may be found at https://ctftime.org/task/3308. To quickly summarize, one had to abuse a search function to access a tomcat manager page with default credentials. The challenge looked very similar, when performing a […]
One challenge at Insomni’hack CTF this year was about memory forensics on Android devices. The challenge provided a memory dump of an Android device along with the task to retrieve some encrypted information from it. Besides the memory dump, two additional files (module.dwarf and System.map) were provided: The first tool that comes to mind when […]
Compass crew members just got back to work from a fun weekend/night at Insomni’hack (Geneva) where hackers met [0] to solve puzzles and enjoying the hacker community. On the way back home was sufficient time to clean-up systems and to reflect on some of the challenges. There was a variety of brain teasing puzzles relating […]
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