in reply to Re^2: Is this code secure, can I test it on my machine?
in thread Is this code secure, can I test it on my machine?

Sure: 
no strict 'refs';
unshift @{ 'INC' }, ...;

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Similar, 
unshift @{ $::{INC} }, ...;

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unshift @{ *INC }, ...;

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These might be considered the same as @INC, or maybe not: 

unshift @::INC, ...;

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unshift @main::INC, ...;

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In Section Seekers of Perl Wisdom