JPEG image data, JFIF standard 1.01) or simply “data” if binary file can’t be classified. The output of this command is the type of the input file (i.e. The command file tries to classify the file using heuristics such as filesystem tests, magic tests, and language tests ( man file for further details). Usually we can start with shell command “ file “ ( in order figure out the file type: the file extension isn’t sufficient). file (command shell) : figure file type.strings (command shell) : extract human readable strings from a file.program Axe (windows) … some notes following.command xxd (shell command) make a hexdump using shell.However in order to start the bases we can start with: gdb it is great but you can have a quick look at Hex-Rays IDA.a good knowledge of the computer architecture.
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