https://github.com/Maijin/radare2-workshop-2015/tree/master/IOLI-crackme/bin-linux

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Check the file.

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Test the program out.

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Analyze the program in GDB.

There are two ways to find the password.

• The lines inside the orange box can be equated to give us an answer.

• Set a breakpoint at the cmp line and print out the variable for [ebp-0xc]

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We can also analyze the program in Ghidra.

Assembly:

Decompile:

• Password is hard coded
• User Input is compared with password

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Test the password