Reverse Engineering Series — 1

Hey Squad,

This is going to be a series on Reverse Engineering. Let’s learn RE together. Any suggestion is appreciated.

file:

link: https://github.com/d0minikkkk/reversinghero-contents/blob/master/1/x1

Tools:

• file
• ltrace
• strings
• ghex
• ida64
• Ghidra

Binary Analysis

From the above analysis, we can find out that it uses printf, fdopen, fgets, strcmp, strcspn.

IDA PRO Analysis

let’s analyse the blocks….

From the above assembly, we can find that the binary will print the password if we pass the right password. The password is `d(-_-)b//d(+_+)b\\d(-_-)b`

Ghidra Analysis

Cracking

we will pass the input to the binary now and get the key.

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