Logic of Keylogger Code

Question

I am trying to understand keylogger code (for ethical hacking) on YouTUBE

But I cannot understand the purpose of

Opening outputfile for reading
Saving to buffer
Closing the outputfile
Opening the outputfile for writing
Save all log information as a variable

Why not simply open writable file and then close when the program terminates?

What is the logic to the above approach? Is there some sort of best practice? Please clarify

Shubhank Tyagi · Accepted Answer · 2016-07-16 14:39:25Z

2

This is because if your file already has any data, then the keylogger will first combine all the old data and new data together and then finally write it into your output file. If it directly writes it then the old data will be vanished...

Yeaa! you can try using f=open('c:\output.txt', 'a')
the 'a' here will then append data and the old data will be automatically saved.... try this out! may be this helps solve your problem

answered Jul 16, 2016 at 14:39

Shubhank Tyagi

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