Tag: php


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


c99.php : A backdoor backdoored

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