https://crackmes.one/crackme/5ab77f5633c5d40ad448c2d6

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Determine the file type

Use the file command to determine the file type.

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Test the program

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Strings

Use strings to print the sequences of printable characters in files.

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Analyze

Dissemble the program in GDB

The program will get an input and use strcmp to check and the jne instruction next.

The password is stored in [ebp-0x20] and moved to eax at +82. Which we can see the ASCII text in GDB peda.

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Test the program