Yewbs Blog

「Victory Loves Preparation」

CTF竞赛-MISC编码小集

本文为CTF 安全杂项方向，主要记录一些编码类题目的合集

Title: Still Life with Apples Creator: Paul Cézanne Creator Lifespan: January 19, 1839 - October 22, 1906 Creator Nationality: French Creator Gender: Male Creator Death Place: Aix-en-Provence, F...

Posted by Yewbs on April 6, 2018

CTF竞赛-MISC杂项

本文为CTF 安全杂项方向，主要记录一些隐写、编码、图片类的题目

Title: Still Life with Silver Jug Creator: Willem Kalf Creator Death Place: Amsterdam, The Netherlands Creator Birth Place: Rotterdam, The Netherlands Date Created: Around 1655 - Around 1657 Sty...

Posted by Yewbs on March 31, 2018

CTF竞赛-文件上传

本文为CTF web网络攻防方向，主要记录文件上传的题目

Title: Sappho and Alcaeus Creator: Lawrence Alma-Tadema Creator Lifespan: 1836/1912 Creator Nationality: Dutch and British Date Created: 1881 Physical Dimensions: w122 x h104.1402 cm Type: oil p...

Posted by Yewbs on March 25, 2018

CTF竞赛简介

Capture The Flag，译作夺旗

Title: Banquet Still Life with Roses Creator: Abraham van Beyeren Date Created: 1665 Location Created: Netherlands Physical Dimensions: 51 x 43 in. (129.5 x 109.2 cm) Type: Painting Medium: Oil ...

Posted by Yewbs on March 23, 2018

Redos攻击原理与检测防御

ReDoS是一种利用程序实现时采用了不安全的正则表达式，从而构造特定输入引起DOS拒绝服务的一种攻击手段

Title: Ulysses’ revenge on Penelope’s suitors Creator: Christoffer Wilhelm Eckersberg Creator Lifespan: 1783 - 1853 Creator Nationality: Danish Creator Gender: Male Creator Death Place: Copenhag...

Posted by Yewbs on September 13, 2017