Binary Exploitation

Stonks [20 pts] [Not Solved]

Description

I decided to try something noone else has before. I made a bot to automatically trade stonks for me using AI and machine learning. I wouldn't believe you if you told me it's unsecure! vuln.c nc mercury.picoctf.net 59616

Solution

a

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Cache Me Outside [70 pts] [Not Solved]

Description

While being super relevant with my meme references, I wrote a program to see how much you understand heap allocations. nc mercury.picoctf.net 31153 heapedit Makefile libc.so.6

Solution

a

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Here's a LIBC [90 pts] [Not Solved]

Description

I am once again asking for you to pwn this binary vuln libc.so.6 Makefile nc mercury.picoctf.net 1774

Solution

a

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Unsubscriptions Are Free [100 pts] [Not Solved]

Description

Check out my new video-game and spaghetti-eating streaming channel on Twixer! program and get a flag. source nc mercury.picoctf.net 50361

Solution

a

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filtered-shellcode [160 pts] [Not Solved]

Description

A program that just runs the code you give it? That seems kinda boring... fun nc mercury.picoctf.net 26072

Solution

a

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Kit Engine [200 pts] [Not Solved]

Description

Start your engines!! d8 source.tar.gz server.py Connect at mercury.picoctf.net 17805

Solution

a

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Stonk Market [250 pts] [Not Solved]

Description

I've learned my lesson, no more reading my API key into memory. Now there's no useful information you can leak! vuln vuln.c Makefile nc mercury.picoctf.net 25462

Solution

a

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Download Horsepower [350 pts] [Not Solved]

Description

Gotta go fast d8 source.tar.gz server.py Connect at mercury.picoctf.net 32364

Solution

a

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The Office [400 pts] [Not Solved]

Description

I'm tired of having to secure my data on the heap, so I decided to implement my own version of malloc with canaries. It's 10x more secure and only 100x slower! the_office nc mercury.picoctf.net 45725

Solution

a

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Turboflan [450 pts] [Not Solved]

Description

A Radiant Gourmet Flan told our young Turboflan hero to stop rushing and slow down. Has he listened? d8 source.tar.gz server.py Connect at mercury.picoctf.net 23694

Solution

a

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Bizz Fuzz [500 pts] [Not Solved]

Description

FizzBuzz was too easy, so I made something a little bit harder... There's a buffer overflow in this problem, good luck finding it! vuln nc mercury.picoctf.net 22210

Solution

a

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