Challenge details. Category Points Solves Difficulty Misc 206 20 Hard 1. Challenge description We found this strange file from an AI Startup. Maybe it contains sensitive information…Neurovision files 2. SOLUTION #1 We are given an HDF5 file named neurovision-2d327377b559adb7fc04e0c3ee5c950c, executing the file command will tell us its an HDF5 file. file neurovision-2d327377b559adb7fc04e0c3ee5c950c # outputs neurovision-2d327377b559adb7fc04e0c3ee5c950c: Hierarchical Data Format (version 5) data For More on HDF5 structure HERE

Challenge details. Category Points Solves Forensics 330 11 1. Challenge description One of my friends is a show-off and I don’t like that.Help me find the backdoor he just boasted about! :DYou’ll find an image of his USB key here.And one last thing, my friend owns you-shall-not-pass.ctf.insecurity-insa.fr. 2. Solution 2.1 Data Extraction Part By extracting the compressed file that was given to us, we find a raw image of an NTFS filesystem, you can verify that using the file command on linux.

This blog post contains the writeup for two challenges (No SEQUELS & No SEQUELS 2), because they are related. So let’s start with No SEQUELS first. 1. No SEQUELS 1 Category: Web Points: 50 1.2 Challenge Description The prequels sucked, and the sequels aren’t much better, but at least we always have the original trilogy. Hint said : MongoDB is a safer alternative to SQL, right?

Challenge details Category Points Solves Crypto 120 98 TL;DR Spotting the weakness (AES with CBC Mode). Get token. Flipping specific bytes in session json (turn false to true ). manipulate token with flipped bytes. Send manipulated token to page. Get the flag. Challenge Description The sheep are up to no good. They have a web portal for their secret society, which we have the source for.

Challenge Description Category Points Solves web 100 18 This is the URL for the challenge. URL:http://ctf.hacklab-esgi.org:8082/ So, as soon as we visit the given URL, we get a simple web page saying Website Checker and the title saying super curling (this gonna be fun!!). we notice that there is one input in the page, whatever you give as input gets passed to curl as a parameter.

History of FTP servers The original specification for the File Transfer Protocol was written by Abhay Bhushan and published as RFC 114 on 16 April 1971. Until 1980, FTP was still running on NCP (Network Control Program) the predecessor of TCP/IP, the protocol was later replaced by a TCP/IP version, RFC 765 (June 1980). On September 1998, RFC 2428 added IPv6 support and defined a new type of passive mode.

Description Category Points Solves Forensics 994 19 Description : Help me get back my flag ! URL: https://web8.ctfsecurinets.com/ After visiting the link above, we get a login page.We can login using admin/admin, but unfortunately the flag is deleted. Then I started searching in the website for any other infos, but with no success. the admin of the challenge (Tr'GFx) said that bruteforcing directories is enough to solve the challenge, so I used dirsearch.

Introduction Most people who do streaming enjoy services like Twitch.tv in order to deliver video for viewers, which is a pretty good solution, but when it comes to having more control over your streams, or when you take in consideration the ability of people streaming to your server, or you want to stream to multiple places, or any other things that require having access to an actual RTMP stream from an RTMP server.