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add sxc
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hdxw committed Feb 9, 2021
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231 changes: 231 additions & 0 deletions 2021/SXCCTF.md
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## 比赛信息

> 比赛名称:第一届SXC CTF比赛
>
> 比赛网址:http://sxc.starsnowsec.cn/
>
> 比赛时间:2021年02月09日 08:00~2021年02月09日 20:00
<br/>

## writeup

[第一届SXC CTF WP](https://mp.weixin.qq.com/s/xG_OHXsjIpat7GcovsCF2g)

<br/>

## 附件链接

链接:https://pan.baidu.com/s/12QkjGJqjSx1mfUKoqdV7dw 提取码:5555

链接:https://share.weiyun.com/SioX665p 密码:555555

链接:https://t1m.lanzous.com/b0afk79fc 密码:5555

<br/>

## 题目信息

### Web

#### Base(10s,992p)

> 106.55.249.213:5001
> BaseBaseBase
> 你遇见过渗透中传输值为加密的嘛?
>
> 可以试着先跑出编码对应表
>
> ```
> http://106.55.249.213:5001/?user=Qg
> 回显Sorry,you are not admin!you are G
> Qg = G
> http://106.55.249.213:5001/?user=QQ
> 回显 Sorry,you are not admin!you are F
> QQ = F
> http://106.55.249.213:5001/?user=QQQg
> 回显 Sorry,you are not admin!you are FG
> ```
源码下载:base.zip
<br/>
#### ClassCMS(1s,1000p)
> 156.253.68.196
> 真实的渗透环境,hhhhhh并且二开了哦!
> 不要爆破,不要爆破,不要爆破,重要的事情说三遍!
>
> hint:www.rar **escape**($str)
附件下载:www.rar
<br/>
#### Wechat(3s,1000p)
> 一个未完成的小程序!!因为没有过审的原因,只能省略一些过程 ,这是一个体验版的小程序包
附件下载:debug_1323872424_1_-625286023.zip
web源码(PHP/5.5.9):html.zip
<br/>
### Reverse
#### Very easy Reverse(11s,991p)
> Very easy Reverse!!
附件下载:PyGame.exe
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#### Strange_Exe(2s,1000p)
> Strange_Exe!
附件下载:Strange_Exe.exe
<br/>
### PWN
#### pwn_guys(5s,999p)
> 121.37.189.111:23456
> 我们想要一个PWN佬
>
> ![](../img/sxc.jpg)
附件下载:pwn5.zip
<br/>
### Crypto
#### easy easy rsa(20s,964p)
> easy easy rsa!
附件下载:easyR5A.zip
<br/>
#### Easy_RSA(7s,997p)
> Easy_RSA!!
附件下载:easy_rsa.zip
<br/>
#### Hard RSA(7s,997p)
> Hard RSA!
附件下载:hardrsa.zip
<br/>
#### GAP(5s,999p)
> Gap
>
> hint:f 分隔符 疑惑?
附件下载:gap.txt
<br/>
### Misc
#### Flag不在这(45s,807p)
> Flag真的不在这,你要相信我,知道吗!
附件下载:Flag.docx
<br/>
#### 牛年大吉(37s,871p)
> 要相信自己,他就是flag!
附件下载:starsnow.zip
<br/>
#### 网络深处(28s,928p)
> 网络深处! 千万不要一个人大晚上做哦!!!
附件下载:网络深处.rar
<br/>
#### 拼图(15s,981p)
> 你也喜欢鬼刀吗?
附件下载:拼图.zip
题目生成源码:拼图生成.zip
<br/>
#### Very very easy hex(12s,988p)
> Very very easy hex!! Enjoy it!!!
附件下载:img.zip
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#### YLBNB(10s,992p)
> 你会喜欢他的! :)
附件下载:YLBNB.zip
<br/>
#### Love_it!(9s,994p)
> 文件较大,选择网盘下载(手动狗头)
> 蓝奏:https://wws.lanzous.com/iy5T6lf343g 密码:gbmf
> 百度云:链接: https://pan.baidu.com/s/1wT3bVls2X_5bOSBaxBK91A 提取码: ufrs 复制这段内容后打开百度网盘手机App,操作更方便哦
>
> 解压密码为:2021_jia_you!!
> flag 为 flag{后台名称_后台账号_后台密码_一句话木马名称_一句话密码_第三个马子执行的命令}
> 例如:
> 后台网址为:
> http://127.0.0.1/admin/index.php 后台名称就为: admin
> 账号为:2021 后台账号为: 2021
> 密码为:happy_new_year! 后台密码为: happy_new_year!
> 一句话木马路径为: http://127.0.0.1/mu.php 一句话木马名称为: mu
> 一句话木马 一句话密码为: starsnow
> 一句话执行的命令
> 连接马子 之后执行的第三条 命令
> 第一条 yingzi=phpinfo();
> 第二条 yingzi=system('whoami');
> 第三条 yingzi=system('ls'); 第三个马子执行的命令: system('ls');
>
> 例如:
> flag{admin_2021_happy_new_year!_starsnow_system('ls');}
附件下载:Love_It!.zip
<br/>
### 签到
#### 签到题(82s,350p)
> http://106.55.249.213:5002/
> 祝各位大佬,大大佬,新春快乐!
> 2021 更加牛13!!!
附件下载:签到.zip
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## Writeup

[i春秋新年欢乐赛全部write up](http://snowywar.top/wordpress/index.php/2021/01/31/ichunqiu-write-up/)

[2021 “春秋杯” Write Up](https://ha1c9on.top/2021/01/31/2021-cqb-write-up/)

[春秋杯2021新春欢乐赛一道题—按F注入 对pgsql的研究](https://err0r.top/article/cqb2021/)

**官方WP**

[官方WP | 2021“春秋杯”新年欢乐赛(1)](https://mp.weixin.qq.com/s/GL24ZERwQf3UyQoCNiwAsg)

[Writeup | old_driver题目](https://mp.weixin.qq.com/s/76bk1oYsnrL47OesV09P_A)

[官方WP | 2021“春秋杯”新年欢乐赛(2)](https://mp.weixin.qq.com/s/AzUrC5JD-bVb8mDL0JB4bQ)

[Writeup | 2019-nCoV题目](https://mp.weixin.qq.com/s/ZkzBnsL34ImE00noH2-8XA)

<br/>

## 附件链接

链接:https://pan.baidu.com/s/1qjtskPvXfcRCN25XdHUTkA 提取码:5555
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