Tag: security

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Hardened Tor Browser with Selfrando

6 June 2016, the Tor Project announced a hardened version of Tor Browser: 6.5a1-hardened. Here some links: Download page for hardened builds (only avaible for Linux at this time). Distribution direct

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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 wi

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Pastejacking vs clipboard hijacking

Clipboard hijacking# It as been possible for a long time to use css to append malicious content to the clipboard. Users doesn't notine anything and may execute unwanted commands. This type of attack i

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Writeups - Crypto - Oups it's all mixed

Information# Version# Date By Version Comment 03/05/2016 noraj 1.0 Creation Name# Oups it's all mixed Category# Cryptography Wording# Decipher the following flag: eGqaelr557dK4BbK47dS17dK68c

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Writeups - Crypto - MindBlown

Information# 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 : lin

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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

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Tracking down Tor users with mouse movements

Jose Carlos Norte, security researcher, wrote a post detailing how Tor Browser users can be uniquely fingerprinted using the mouse wheel, mouse speed, a CPU benchmark, and “getClientRects”. POCs (proo

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FreeBSD 10.3 is here

FreeBSD update to version 10.3. Main improvments: 15 security flaws patched UEFI support Gnome 3.16.2 Full Release Notes on official FreeBSD website.