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[P.W.N. CTF 2018] Important Service Write-up (Pwn259)

Very Important Service. Flag in /opt. nc importantservice.uni.hctf.fun 13375 a30577b33492f15d382ef665ee6abda2.tar.xz a30577b33492f15d382ef665ee6abda2.tar.xz MIRROR Let’s look at the file information first.

It is a 64-bit ELF pie executable which is dynamically linked and not stripped. Let’s check its protections.

The… Continue Reading →

[P.W.N. CTF 2018] Kindergarten PWN Write-up (Pwn204)

Thats still kindergarten stuff. Flag in /opt. nc kindergarten.uni.hctf.fun 13373 48800cb1ffbd78f067d68425baa25d88.tar.xz  48800cb1ffbd78f067d68425baa25d88.tar.xz MIRROR Let’s start with looking at the file information.

It is a 64-bit ELF executable which is dynamically linked and not stripped. Let’s take a look at… Continue Reading →

[P.W.N. CTF 2018] BabyPWN Write-up (Pwn115)

This is the babypwn challenge – what are you waiting for student? nc baby.uni.hctf.fun 25251 Binary Libc Binary Mirror Libc Mirror Let’s check the file information first.

It is an 64-bit ELF executable which is dynamically linked and not… Continue Reading →

[P.W.N. CTF 2018] H!pster Startup Write-up (Web216)

Our on-campus start-up was hacked. The hacker somehow deleted the only admin user… Can you login to the admin interface and revert it? When we look at the source code, we notice the url of the admin panel.

It… Continue Reading →

[P.W.N. CTF 2018] Login Sec Write-up (Web100)

The university’s department of Secure Login Systems has just launched three prototypes of their research projects. Maybe you can have a look at all three of them: Login 1 Source Source MIRROR Login 2 Source Source MIRROR Login 3 Source… Continue Reading →

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