Category: security

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Writeups - Forensic - BusyBee

Informations Version Date By Version Comment 05/06/2016 noraj 1.0 Creation CTF Name : BackdoorCTF 2016 Website : https://backdoor.sdslabs.co Type : Online Format : Jeopardy CTF Time : link

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Hide AES-256 encrypted zip file in a JPEG image

This how-to was made for Linux user. The user will need p7zip, exiv2 and optionally exif, exiftool, unzip. Create an AES-256 encrypted zip file 7z (p7zip for Linux) can produce zip-format archives wit

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Security related Operating Systems

This list is available as: a web page: http://rawsec.ml/en/security-related-os/ a git file: https://github.com/noraj1337/RawSec/blob/posts-sources/security-related-os.mkd Maintained OS Based on D

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Writeups - Crypto - MindBlown

Informations Version Date By Version Comment 05/06/2016 noraj 1.0 Creation CTF Name : BackdoorCTF 2016 Website : https://backdoor.sdslabs.co Type : Online Format : Jeopardy CTF Time : link

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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

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How to change OpenSSH port on CentOS 7

Before beginning These are the steps to do on the SSH server. Be sure to do all the steps before exiting SSH connection if you are connected via SSH. This config was tested for default CentOS 7 iso. C