Simple Crackme Write in C Language.
Never Ever Open The source code(crackme.c) before solve the challange!!
No Need Install anything just download the code and output File Directly or Use GIT
git clone https://github.com/saeidshirazi97/simplecrackme
I Recommend this walkthrough:
1-Use File commends to get information about challange file.
2-Use Strings Command.
3-Use Hexdump Command.
4-Use OBJDUMP
5-Bypass With NOP operation with dd tools and overwrite challange file