PHP Shells are more easily hidden than other shells because they can be included in already-working PHP scripts. Here md5sum is against this method, but very few people take the time to verify files one by one.
Shells PHP ni rahisi zaidi kuliko shells siri nyingine kwa sababu wanaweza kuwa pamoja katika tayari-kazi scripts PHP. Hapa md5sum ni dhidi ya njia hii, lakini watu wachache sana kuchukua muda wa kuthibitisha files moja kwa moja.