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[CTF Write-up] Midnightsun CTF Quals- Bigspin (web. mid)
This weekend, my mates of ID-10-T Team and I decided to play the Midnightsun CTF, we had a long time without playing CTFs so it was nice to meet again and solve some challenges.
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[CTF Write-up] Secadmin El Ninja contrareloj (rev. easy)
Last week, Secadmin conference was held with some easy CTF challenges about crypto, web and reversing. This write-ups is for “El Ninja Contrareloj” challenge, a reversing one.
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Brief introduction on reverse engineering Crystal binaries.
Crystal is a “new” Ruby-syntax-based programming language, born in 2014. The main diference is, that this is not a Ruby implementation, this is another compiled programming language, but its syntax is based in ruby, so Crystal != Ruby.
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[CTF Write-up] nn8ed HackGym challenge write-up.
This weekend, Navaja Negra 8 CTF started, organized by ka0labs.org. This pwn challenge has the following statement:
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[CTF Write-up] nn8ed Tindermon challenge write-up.
This weekend, Navaja Negra 8 CTF started, organized by ka0labs.org. This web challenge has the following statement: