当前位置:网站首页>“百度杯”CTF比赛 2017 二月场,Web:爆破-1
“百度杯”CTF比赛 2017 二月场,Web:爆破-1
2022-07-03 07:00:00 【Part 02】
题目内容:
flag就在某六位变量中。
include "flag.php";
$a = @$_REQUEST['hello'];
if(!preg_match('/^\w*$/',$a )){
die('ERROR');
}
eval("var_dump($$a);");
show_source(__FILE__);
?>只匹配纯字母,在 var_dump 中有两个 $,使用 GLOBALS dump 出全部变量

hello=GLOBALS
边栏推荐
- DBNet:具有可微分二值化的实时场景文本检测
- mongodb
- PHP install the spool extension
- Book recommendation~
- [day15] introduce the features, advantages and disadvantages of promise, and how to implement it internally. Implement promise by hand
- VMware virtual machine C disk expansion
- Winter vacation work of software engineering practice
- [LeetCode]404. 左叶子之和
- dataworks自定義函數開發環境搭建
- CentOS switches and installs mysql5.7 and mysql8.0
猜你喜欢
![Gridome + strapi + vercel + PM2 deployment case of [static site (3)]](/img/65/8d79998e96a2c74ba6e237bee652c6.jpg)
Gridome + strapi + vercel + PM2 deployment case of [static site (3)]

Daily question brushing record (11)

Use the jvisualvm tool ----- tocmat to start JMX monitoring

JUC forkjoinpool branch merge framework - work theft
![[vscode - vehicle plug-in reports an error] cannot find module 'xxx' or its corresponding type declarations Vetur(2307)](/img/7f/3d6b6ea5319f7165e07baf0a78d318.jpg)
[vscode - vehicle plug-in reports an error] cannot find module 'xxx' or its corresponding type declarations Vetur(2307)

JMeter test result output

Application scenarios of Catalan number

Software testing assignment - the next day

Software testing assignment - day 1

Golang operation redis: write and read hash type data
随机推荐
[Fiddler problem] solve the problem about Fiddler's packet capturing. After the mobile network is configured with an agent, it cannot access the Internet
La loi des 10 000 heures ne fait pas de vous un maître de programmation, mais au moins un bon point de départ
Architecture notes
Distributed lock
Reading notes of "learn to ask questions"
My 2020 summary "don't love the past, indulge in moving forward"
Asynchronous programming: async/await in asp Net
C2338 Cannot format an argument. To make type T formattable provide a formatter<T> specialization:
Software testing learning - day 3
Golang operation redis: write and read kV data
[C /vb.net] convert PDF to svg/image, svg/image to PDF
2022 - 06 - 23 vgmp - OSPF - Inter - Domain Security Policy - nat Policy (Update)
(翻译)异步编程:Async/Await在ASP.NET中的介绍
Resttemplate configuration use
golang操作redis:写入、读取kv数据
[attribute comparison] defer and async
How to plan well?
Simple understanding of bubble sorting
Crontab scheduled task
JMeter JSON extractor extracts two parameters at the same time