Persecure : my learning archive

https://drive.google.com/file/d/1oTERzqyVPbK8TImkkZyWsrnPfRNGYygN/view

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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

Use IDA Pro to analyze the program

main function:

• The password is hardcoded
• The strcmp function is called to test the input
• Test instruction is done
• If jump non zero is executed it calls the print_flag function.

Let’s analyze the print_flag function:

• This function prints the flag characters in a loop

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Test the program