clooooode

pwnable.kr(6) - random

Posted on 2018-05-30 Edited on 2025-10-22 In CTF , pwnable.kr , Toddler's Bottle Views: Word count in article: 389 Reading time ≈ 1 mins.

## Problem
Points: 1 pt

1
2
3

Daddy, teach me how to use random value in programming!

ssh [email protected] -p2222 (pw:guest)

Link

pwnable.kr(5) - passcode

Posted on 2018-05-25 Edited on 2025-10-22 In CTF , pwnable.kr , Toddler's Bottle Views: Word count in article: 256 Reading time ≈ 1 mins.

## Problem
Points: 10 pt

Mommy told me to make a passcode based login system.
My initial C code was compiled without any error!
Well, there was some compiler warning, but who cares about that?

ssh [email protected] -p2222 (pw:guest)

Link

pwnable.kr(4) - flag

Posted on 2018-05-24 Edited on 2025-10-22 In CTF , pwnable.kr , Toddler's Bottle Views: Word count in article: 215 Reading time ≈ 1 mins.

## Problem
Points: 7 pt

Papa brought me a packed present! let's open it.

Download : http://pwnable.kr/bin/flag

This is reversing task. all you need is binary

Link

x86_64 Register

Posted on 2018-05-24 Edited on 2025-10-22 In CTF Views: Word count in article: 42 Reading time ≈ 1 mins.

Register

Register Name	16bit	32bit	64bit
Accumulator	AX	EAX	RAX
Base	BX	EBX	RBX
Counter	CX	ECX	RCX
Data	DX	EDX	RDX
Instruction Pointer	IP	EIP	RIP
Source Pointer	SP	ESP	RSP
Base Pointer	BP	EBP	RBP
Source Index	SI	ESI	RSI

pwnable.kr(3) - bof

Posted on 2018-05-24 Edited on 2025-10-22 In CTF , pwnable.kr , Toddler's Bottle Views: Word count in article: 202 Reading time ≈ 1 mins.

## Problem
Points: 5 pt

Nana told me that buffer overflow is one of the most common software vulnerability. 
Is that true?

Download : http://pwnable.kr/bin/bof
Download : http://pwnable.kr/bin/bof.c

Running at : nc pwnable.kr 9000

Link

pwnable.kr(2) - collision

Posted on 2018-05-24 Edited on 2025-10-22 In CTF , pwnable.kr , Toddler's Bottle Views: Word count in article: 225 Reading time ≈ 1 mins.

## Problem
Points: 3 pt

Daddy told me about cool MD5 hash collision today.
I wanna do something like that too!

ssh [email protected] -p2222 (pw:guest)

Link

pwnable.kr(1) - fd

Posted on 2018-05-23 Edited on 2025-10-22 In CTF , pwnable.kr , Toddler's Bottle Views: Word count in article: 297 Reading time ≈ 1 mins.

## Problem
Points: 1 pt

Mommy! what is a file descriptor in Linux?

* try to play the wargame your self but if you are ABSOLUTE beginner, follow this tutorial link:
https://youtu.be/971eZhMHQQw

ssh [email protected] -p2222 (pw:guest)

Link

CTF Note

Posted on 2018-05-22 Edited on 2025-10-22 In CTF Views: Word count in article: 54 Reading time ≈ 1 mins.

PHP weak type

If string is process as a number, When the string doesn’t contain ‘.’, ‘e’ or ‘E’ and in the range of integer, it will process as integer.
otherwise, process as float, and the begin of string decide it value, or it will be 0.
PHP Weak Type
CTF PHP-WEAK-TYPE Writeup

Cracking APK

Posted on 2018-05-01 Edited on 2025-10-22 In LifeGeeking Views: Word count in article: 180 Reading time ≈ 1 mins.

謹記念某漫畫App Crack經歷。

MaybeP2P(1) - Begin

Posted on 2018-05-01 Edited on 2025-10-22 In Application , MaybeP2P Views: Word count in article: 871 Reading time ≈ 3 mins.

I thought i can develope my own framework.
But i found out that too may people did same thing just like me.
Oops…

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