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TUM CTF 2015 Teaser – NeoCities Web 20pts
A faithful replica of a typical 90s webpage, complete with a searing neon colour scheme and Netscape buttons. Browsing the site, I noticed from the URL that the pages were being served through the main...
View ArticleEKOParty CTF 2015
Due to work commitments, I didn’t get to spend too much time on this CTF which was a shame because they put out some nice challenges. Here’s the ones I did get to have a crack at: PassCheck – Web –...
View ArticleSharifCTF 2016 – dMd – Reverse Engineering – 50 points
I hadn’t played SharifCTF before, but these guys put on a good competition. I had other commitments, but I managed to spend a little bit of time looking at some of the challenges. dMd was a reverse...
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SharifCTF 2016 – SRM – Reverse Engineering – 50 points
SRM was another 50 point reverse engineering challenge at SharifCTF 2016. A binary was provided (LINK) with the description: The flag is : The valid serial number. file told me that the binary was a...
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SharifCTF 2016 – Asian Cheetah – Misc – 50 points
A nice little Stego challenge from SharifCTF Challenge: We have hidden a message in png file using jar file. Flag is hidden message. Flag is in this format: SharifCTF{flag} Files: cheetah.tar.gz...
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Internetwache CTF 2016 – Prime Time – Coding – 60 Points
Challenge: It’s Prime Time! (code60) Description: We all know that prime numbers are quite important in cryptography. Can you help me to find some? Service: 188.166.133.53:11059 Solution: Running...
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Internetwache CTF 2016 – File Checker – Reversing – 60 Points
Challenge: File Checker (rev60) Description: My friend sent me this file. He told that if I manage to reverse it, I’ll have access to all his devices. My misfortune that I don’t know anything about...
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Internetwache CTF 2016 – FlagStore – Exploit – 70 Points
Challenge: FlagStore (exp70) Description: Here’s the ultimate flag store. Store and retrieve your flags whenever you want. Attachment: exp70.zip Service: 188.166.133.53:12157 Files: exp70.zip Solution:...
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Internetwache CTF 2016 – EquationSolver – Exploit – 60 Points
Challenge: EquationSolver (exp60) Description: I created a program for an unsolveable equation system. My friend somehow forced it to solve the equations. Can you tell me how he did it? Service:...
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Internetwache CTF 2016 – Ruby’s Count – Exploit – 50 Points
I haven’t done much work with Ruby, but this little challenge from the Internetwache CTF looked interesting. Challenge: Ruby’s count (exp50) Description: Hi, my name is Ruby. I like converting...
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