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  • A lost restaurant – #MondayQuiz

    adm_synoslabs

    On Monday, February 3rd, 2025, Julia BAYER posted a new GEOINT/OSINT challenge on her Twitter account for the #MondayQuiz. I recommend attempting to solve it before looking at this solution. Here is the link to the challenge: https://x.com/bayer_julia/status/1886505111901626879/photo/1 As always, let’s start by identifying the most obvious details. It appears to be a restaurant, possibly…

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  • Solve a GEOINT challenge with your brain – #ThursdayQuiz

    adm_synoslabs

    Hi everyone! In this blog post, we’ll see an example of how to solve an interesting GEOINT challenge based on observations from a photo, without using any reverse image search tools or IA things. Only our marvellous brain. This challenge is proposed by Sector035 on his Twitter account. I encourage you to first try yourself…

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  • APT Hunter CTF – Writeup

    adm_synoslabs

    Le week-end du 27 mars 2024 a débuté le CTF APT Hunter organisé par des étudiants de l’école AIX YNOV CAMPUS. Ce CTF consistait en un ensemble de 40 challenges qui touchaient différents domaines allant du GEOINT, au SOCMINT en passant par de l’investigation de cryptomonnaie et NFTs. Nous avons terminé 4ème avec notre équipe…

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  • HEXA OSINT CTF v3 – Writeup

    adm_synoslabs

    The HEXA OSINT CTF v3 is the final episode of this series of CTFs. Link to the ctfd platform: https://hexaosint.ctfd.io/ Final scoreboard (top 10): With my team (Incompetent Detectives: kortez, bouddah, Dr.Nova and KrowZ (myself)), we managed to finish in 6th position. It was very fun and a bit stressful but we learned a lot…

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  • Cody Bernardy – Challenge 12

    adm_synoslabs

    This GEOINT challenge can easily be solved by using reverse image search. Link to the OSINT challenge video: https://www.youtube.com/watch?v=EokvB5yUWIU I urge you to try by yourself before looking at this solution Solution The video is a compilation of multiple drone views. The videos are recorded on the coast during the sunset. We can also identify…

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  • Cody Bernardy – Challenge 10

    adm_synoslabs

    This challenge could seem impossible, but with a specific trick, it is pretty easy to find the location. To make it a bit more difficult, I wanted to find the exact location (when I say exact, I mean max 1 meter away). Link to the OSINT challenge video: https://www.youtube.com/watch?v=B_tL3uYaRqA I urge you to try by…

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  • Cody Bernardy – Challenge 08

    adm_synoslabs

    This challenge could seem impossible, but with a specific trick, it is pretty easy to find the location. To make it a bit more difficult, I wanted to find the exact location (when I say exact, I mean max 1 meter away). Link to the OSINT challenge video: https://www.youtube.com/watch?v=tNp2vfzaF4A I urge you to try by…

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  • Cody Bernardy – Challenge 07

    adm_synoslabs

    Basically the easiest challenge of this series. Link to the OSINT challenge video: https://www.youtube.com/watch?v=mccW9uO99b4 I urge you to try by yourself before looking at this solution Solution There are at least two easy ways to find the solution to this challenge. Both of them takes around 10 seconds. First way Run a reverse image search…

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  • Cody Bernardy – Challenge 06

    adm_synoslabs

    One of my favourite challenge of this series. It requires to analyze elements in the video and not just only perform reverse image search (which doesn’t work here). Link to the OSINT challenge video: https://www.youtube.com/watch?v=l0OeSW6QifE I urge you to try by yourself before looking at this solution Solution As explained in the excerpt, this challenge…

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  • Cody Bernardy – Challenge 05

    adm_synoslabs

    This challenge was one of the toughest from this series of challenges proposed by Cody Bernardy. A very few pieces of information are given during the video, so we must focus on the correct ones. Link to the OSINT challenge video: https://www.youtube.com/watch?v=Hxp5uLV7AD8 I urge you to try by yourself before looking at this solution Solution…

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