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Overall I agree with your answer, but it would be fairly easy to make a malicious program that can overcome your checks.

Julie Pelletier
– Julie Pelletier

2017-01-13 04:33:25 +00:00
Commented Jan 13, 2017 at 4:33
1

@JuliePelletier Absolutely true - there's always a way to overcome any security checks, and really there's no silver bullet solution for that. Especially, if user runs that untrusted application with sudo privilleges - it opens up whole lot of door to whole lot of malicious things that can be done, not just keyloggers, but subverting sha256sum binary, other programs, installing rootkits without user knowing , etc. Malicious users can't anticipate everything, so such checks might works on some, might not work on those who do anticipate it

Sergiy Kolodyazhnyy
– Sergiy Kolodyazhnyy

2017-01-13 04:40:14 +00:00
Commented Jan 13, 2017 at 4:40

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