Tag: php

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Hack.lu CTF 2018 - Full step by step Write-up

Information# CTF# Name : Hack.lu CTF 2018 Website : arcade.fluxfingers.net Type : Online Format : Jeopardy CTF Time : link Baby PHP - Web# PHP is a popular general-purpose scripting language that i

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picoCTF 2018 - Write-up

Information# CTF# Name : picoCTF 2018 Website : picoctf.com Type : Online Format : Jeopardy CTF Time : link 400 - fancy-alive-monitoring - Web# One of my school mate developed an alive monitoring t

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Meepwn CTF Quals 2018 - Write-up

Information# Version# By Version Comment noraj 1.0 Creation CTF# Name : Meepwn CTF Quals 2018 Website : ctf.meepwn.team Type : Online Format : Jeopardy CTF Time : link OmegaSector - Web#

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Common upload flaws

If a remote web server let you upload and execute scripts so this is beginning to turn turn bad. Here are some common upload flaws: extensions blacklist double extensions MIME type Null Byte Extensi

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c99.php : A backdoored backdoor

C99 is a PHP webshell. Attackers uploads it on web server in order to get information and above all execute commands with web user privileges (ex: www-data). This webshell is protected by a customizab