Category: security

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ABCTF - 30 - GZ - Forensics

đź”—Information đź”—Version By Version Comment noraj 1.0 Creation đź”—CTF Name : ABCTF 2016 Website : http://abctf.xyz/ Type : Online Format : Jeopardy - Student CTF Time : link đź”—Description We

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Writeups - Forensic - BusyBee

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

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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. đź”—Create an AES-256 encrypted zip file 7z (p7zip for Linux) can produce zip-format archives w

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Writeups - Crypto - Oups it's all mixed

đź”—Information đź”—Version Date By Version Comment 03/05/2016 noraj 1.0 Creation đź”—Name Oups it's all mixed đź”—Category Cryptography đź”—Wording Decipher the following flag: eGqaelr557dK4BbK47dS17

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Writeups - Crypto - MindBlown

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

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c99.php : A backdoor backdoored

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