How To Exploit PHP Remotely To Bypass Filters & WAF Rules

  • \[0–7]{1,3} sequence of characters in octal notation, which silently overflows to fit in a byte (e.g. “\400” === “\000”)
  • \x[0–9A-Fa-f]{1,2} sequence of characters in hexadecimal notation (e.g. “\x41”)
  • \u{[0–9A-Fa-f]+} sequence of Unicode codepoint, which will be output to the string as that codepoint’s UTF-8 representation (added in PHP 7.0.0)

PHP Variable Functions

Improve the user input sanitization

get_defined_functions

Array of characters

OWASP CRS3

--

--

Our mission is to get you into information security. We'll introduce you to penetration testing and Red Teaming. We cover network testing, Active Directory.

Love podcasts or audiobooks? Learn on the go with our new app.

Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store
TutorialBoy

TutorialBoy

120 Followers

Our mission is to get you into information security. We'll introduce you to penetration testing and Red Teaming. We cover network testing, Active Directory.