Try   HackMD

Prior Knowledge & Writeup Link

tags: Information English

Prior Knowledge

  • Browser & Google
    • Know how to use browser & Google
  • Linux
    • Know how to use basic commands like cd, ls, chmod, wget, …
    • Know how to use nc & socat
  • C
    • Can understand general C code
  • Python
    • Can write some basic Python scripts
    • Know how to use pwntools
  • Ghidra / IDA

Web

Reverse

Pwn

Misc

Crypto

Last changed by 
 
LoTuX CTF
0
570

Read more

LoTuX CTF 投稿說明

在 LoTuX 平台上取得 2000 分以上

Apr 4, 2025
[EN] Rev C 2

[name=FlyDragon] Step.1 By observing output.txt and executing the code, it can be inferred that the program flag.exe will output the flag after shuffling it. Step.2 By examining main() using Ghidra, it can be discovered that this program reads in the contents of flag.txt and outputs them after performing specific swaps in a particular order. order = [5, 13, 0, 12, 1, 16, 3, 2, 8, 7, 15, 4, 6, 17, 11, 10, 9]

Nov 1, 2023
[CH] Rev C 2

[name=FlyDragon] Step.1 觀察 output.txt 以及執行程式碼 可猜測 flag.exe 會將flag打亂後輸出 Step.2 使用ghidra查看 main() 可以發現這個程式會讀入flag.txt、照特定的順序交換後輸出

Nov 1, 2023
LoTuX CTF Writeup Dark Theme

LoTuX CTF Writeup Dark Theme Design By Curious

Oct 2, 2023
Read more from LoTuX CTF
Published on HackMD