Last year, I had a lot of fun working through The SEINT 's 2021 OSINT challenge, which you can read about here . Then, via Sector035 , I heard that The SEINT had published a new challenge, which you can find on this GitHub repo . The challenge simply involves opening a nested series of zipped files, with the password for each zip being an MD5 hash of the answer to the previous level. In order to get us going, The SEINT says that the password for the first zip is the MD5 hash of the word dive . As we are going to be hashing a number of words, it is worth keeping a browser tab open with CyberChef running in it. SPOILER ALERT! If you want to have a go at solving The SEINT's puzzle yourself, please DON'T read on here, as this is obviously heavily spoilered. Yes, some images still have Metadata! The first level of the zip file contains four files. One of these is the password-protected zip for the next level, and one is a hint; we will be trying not to use hints. We are t...
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