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[BSides Delhi CTF 2018] Easypeasy Write-up (Pwn50)

The location of flag is : /home/easypeasy/flag nc 35.200.228.122.1337 easypeasy_c771ecffbec1cf4724f72abbff17a4384dcfc432.tar Let’s check the binary first.

It is an 64-bit ELF executable file which is dynamically linked and not stripped. Let’s take a look at its protections.

The stack… Continue Reading →

[HITCON CTF 2018] Super Hexagon Write-up (Pwn236)

UPDATE: bios.bin (2018-10-20 08:01:00 UTC) Escape each level for your six flags. EL0 – Hard EL1 – Harder EL2 – Hardest S-EL0 – Hardester S-EL1 – Hardestest S-EL3 – Hardestestest nc 54.64.96.126 6666 Something good for you super_hexagon-2044407c141e2a3a49d9fb57b62c73ee.tar.xz Let’s check… Continue Reading →

[Hack.lu CTF 2018] Baby Exploit Write-up (Pwn186)

This Challenge is the continuation of babyreversing. If you just reversed the file, go ahead and exploit it now! The zip file will contain all information to this challenge. The password is the flag of babyreversing nc arcade.fluxfingers.net 1807 Downoad… 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.

Continue Reading →

[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 →

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