Tag: ctf

IFSF CTF #8 (X98) Write-up

we know it’s about some secret agents , but we need more than that 208.64.122.234 PORT 3000 X98 is a remote CTB task with a shell injection vuln.

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IFSF CTF 2012 #9 – X97

SSH : 208.64.122.235 guest:guest binary Category: exploitation Summary: format string bug, ASLR and NX

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Gits 2012 #13

File was running at kimjongun.final2012.ghostintheshellcode.com : 2645 Summary: buffer overflow, reverse

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Gits 2012 #12

File was running at gratis.final2012.ghostintheshellcode.com:3030 Summary: reverse, x64, filtering parameters error

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Gits 2012 # – Crypto 400

files running at hellothere.final2012.ghostintheshellcode.com Summary: MITM attack

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Gits 2012 #7 – Reversing (300)

Question: Fanatic 300 Points Remeber the past. (Link) Here we have a NES emulator written on javascript. ROM can easily be dumped from there.

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Gits 2012 #5 – Forensics (400)

Question: VoxVeritas 400 Points Find the secret passage. (File)

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Gits 2012 #11 Packet (300)

Question: Noughts and crosses 300 Points Solve the puzzle! tictactoe.final2012.ghostintheshellcode.com:9797

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Gits 2012 #19 – Crypto 250

Question: SuperSecure 250 Points Use your team name and generate a valid answer. (File) Summary: xor-chained sha256 and sha512

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MozillaCTF 2012 AwesomeCorp. Secured Ranges (300) Writeup

One evening, you decide to take a look at the website of Awesome Corp., a competitor which you suspect of reverse-engineering parts of your software and using these code pieces in their own product. Unfortunately, you got no proof, so you begin to investigate on your own. Soon enough (insert random webhacking stuff here), you …

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MozillaCTF 2012 SecureFileLock (250) Writeup

This very secure locking mechanism encloses files and only gives them to you when you know the passphrase. Find it and you will have the flag. Category: reversing Summary: find out a xor cipher, use xortool to get the key

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HackIM 2012 Wormholing Write-up

Hey! This is the writeup on wormholing. Essentially, it allows you to score 1st place without solving any tasks :)

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GitS 2012 Teaser Hackquest

Find the key. (File running at hackquest.ghostintheshellcode.com:7331) Category: exploitation Hint: source binary

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GitS 2012 Teaser TelAviv

What is the password? Category: packets Hint: TeLaViv is a packet forensics challenge. file

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GitS 2012 Teaser AL’s Revenge

Category: reverse, crypto Summary: LLVM bytecode with polynomial inversion file

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