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[Hack.lu CTF 2018] Baby Reverse Write-up (Reverse108)

Hey there! Disclaimer: This chall is intended for new gamers only ;-)! You veterans got plenty of other Challenges which will keep you busy, so please pass this Challenge to someone, who never or rarely reversed before! We encourage everyone… Continue Reading →

[Hack.lu CTF 2018] Baby PHP Write-up (Web153)

PHP is a popular general-purpose scripting language that is especially suited to web development. Fast, flexible and pragmatic, PHP powers everything from your blog to the most popular websites in the world. Can you untangle this mess?! When we visit… Continue Reading →

[DefCamp CTF Quals 2018] Even More Lucky Write-up (Pwn50)

We have updated the lucky game just for you! Now the executable is lighter and more efficient. Target: 167.99.143.206 65032 Bin: https://dctf.def.camp/dctf-18-quals-81249812/lucky2 Let’s check the file information first.

It is an ELF 64-bit LSB shared object which is dynamically… Continue Reading →

[DefCamp CTF Quals 2018] Lucky Write-up (Pwn50)

How lucky are you? Target: 167.99.143.206 65031 Bin: https://dctf.def.camp/dctf-18-quals-81249812/lucky Let’s look at the file first.

It is an 64-bit ELF shared object which is dynamically linked and stripped. In order to see how it works, let’s run it.

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[CSAW CTF Quals 2018] Shellcode Write-up (Pwn100)

Linked lists are great! They let you chain pieces of data together. nc pwn.chal.csaw.io 9005 shellpointcode Let’s check the file information first.

We have a 64-bit ELF shared object which is dynamically linked and not stripped. Let’s look at… Continue Reading →

[noxCTF 2018] Guess The String Write-up (Reverse438)

Would you like to test your luck? Let’s see if you can guess the correct string. nc chal.noxale.com 22234 GuessTheString Let’s check the file format first.

It is a 64-bit ELF shared object which is dynamically linked and not… Continue Reading →

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