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[HITCON CTF 2019 Quals] heXDump Write-up (Misc202)

ūüėÜ nc 13.113.205.160 21700 heXDump-78a4bcbc095a3231c5caf30ce4c6ddf4c77d4c33.rb We are given a ruby script:

Write operation allows us to write to the temporary file created and read operation prints out the content of the file as md5/sha1 hashed or aes256 encrypted using… Continue Reading →

[Redpwn CTF 2019] Stop, ROP, n’, Roll Write-up (Pwn280)

There’s not really much I can say about this challenge… The bytes speak for themselves. Good luck!!! nc chall2.2019.redpwn.net 4008 srnr Let’s look at the file information first.

It is a dynamically linked ELF 64-bit executable. Now, let’s look… Continue Reading →

[SpamAndFlags Teaser CTF 2019] Forumz Write-up (Web252)

Time to take a break from CTFing and browse some forums instead! Forum When we visit the link, we encounter a forum website. Since the registration is closed and we cannot create a new account, I decided to visit the… Continue Reading →

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