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hctf2015-all-problems

hctf2015 all problems and writeups from authors

Writeups

所有发在这里的writeup都经过队伍授权,如果在这里找不到,请自行寻找他们发在其它地方的文章


全部题目地址

WEB题目

题目名称:injection
题目描述:咦,这咋是个白页
http://120.26.93.115:24317/0311d4a262979e312e1d4d2556581509/index.php
分值:100
开题金币:100
奖励金币:200
源码:https://github.com/hduisa/hctf2015-all-problems/tree/master/injection

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题目名称:Personal blog
题目描述:小学弟在大黑客的帮助下,搭建了自己的个人博客.
http://404.hack123.pw/
分值:100
开题金币:100
奖励金币:200
源码:https://github.com/hduisa/hctf2015-all-problems/tree/master/PersonalBlog

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题目名称:fuck ===
题目描述:
http://120.26.93.115:18476/eff52083c4d43ad45cc8d6cd17ba13a1/index.php
分值:75
开题金币:75
奖励金币:150
源码:https://github.com/hduisa/hctf2015-all-problems/tree/master/fuck%3D%3D%3D

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题目名称:404
题目描述:咦,404了
http://120.26.93.115:12340/3d9d48dc016f0417558ff26d82ec13cc/webI.php
分值:25
开题金币:25
奖励金币:50
源码:https://github.com/hduisa/hctf2015-all-problems/tree/master/404

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题目名称:Hack my net
题目描述:就算你我相隔,我也要另辟蹊径 http://120.26.224.102:25045/ea57f09ea421245047b86eaba834fae1/
分值:100
开题金币:100
奖励金币:200
源码:

===================================================================

题目名称:MMD
题目描述:么么哒~
http://120.26.93.115:12306/05e8309820953e7620a1ee47441243b6/
分值:200
开题金币:200
奖励金币:200
源码:

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题目名称:Server is done
题目描述:搜索坏了,咋办。
http://120.26.93.115:7659/8270537b1512009f6cc7834e3fd0087c/index.php
分值:175
开题金币:175
奖励金币:200
源码:https://github.com/hduisa/hctf2015-all-problems/tree/master/server%20is%20done

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题目名称:Black eat black(300不足,200有余)
题目描述:使用该DNS(180.153.47.182)后,你会被劫持哦~
分值:300
开题金币:300
奖励金币:400
源码:https://github.com/hduisa/hctf2015-all-problems/tree/master/Black-Eat-Black

===================================================================

题目名称:FuckPHP(出题人已经谢罪自杀)
题目描述:哎,这题真的能做么?
http://120.26.93.115:8123/92169de79037c2de72f5088bf1e8310a/index.php
分值:300
开题金币:300
奖励金币:400
源码:https://github.com/hduisa/hctf2015-all-problems/tree/master/fuckphp

===================================================================

题目名称:easy xss
题目描述:你说我这里太短?看样子是你的太长
http://120.26.224.102:54250/0e7d4f3f7e0b6c0f4f6d1cd424732ec5/
分值:150
开题金币:150
奖励金币:200
源码:

===================================================================

题目名称:confused question
题目描述:我快要晕了 http://120.26.224.102:23333/d20876f3f4d1c8358efcb9c0dde3781b/
分值:200
开题金币:200
奖励金币:200
源码:

===================================================================

题目名称:长江防线固若金汤
题目描述:首长,我向您保证,长江防线固若金汤!
http://120.55.112.244:23333/b60b1299c7a06e17c1ab1e9cde510e4a/index.html
分值:275
开题金币:275
奖励金币:300
源码:https://github.com/hduisa/hctf2015-all-problems/tree/master/%E9%95%BF%E6%B1%9F%E9%98%B2%E7%BA%BF%E5%9B%BA%E8%8B%A5%E9%87%91%E6%B1%A4

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题目名称:MC服务器租售中心 - 1(真的不是玩MC)
题目描述:啦啦啦卖服务器啦 http://mc.hack123.pw
分值:300
开题金币:300
奖励金币:400
源码:https://github.com/hduisa/hctf2015-all-problems/tree/master/MC%E6%9C%8D%E5%8A%A1%E5%99%A8%E7%A7%9F%E5%94%AE%E4%B8%AD%E5%BF%83

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题目名称:MC服务器租售中心 - 2(真的不是玩MC)
题目描述:啦啦啦卖服务器啦 http://mc.hack123.pw
分值:500
开题金币:500
奖励金币:300
源码:https://github.com/hduisa/hctf2015-all-problems/tree/master/MC%E6%9C%8D%E5%8A%A1%E5%99%A8%E7%A7%9F%E5%94%AE%E4%B8%AD%E5%BF%83

===================================================================

题目名称:COMA WHITE
题目描述:
A PILL TO MAKE YOU NUMB
A PILL TO MAKE YOU DUMB
A PILL TO MAKE YOU ANYBODY ELSE
BUT ALL THE DRUGS IN THIS WORLD
WON'T SAVE HER FROM HERSELF
http://120.26.93.115:43635/ff81b5df63ece38b45145ab41827d150/index.html
分值:200
开题金币:200
奖励金币:200
源码:

===================================================================

RE题目

题目名称:真的很友善的逆向题(福利)
题目描述:友善的出题人在抢馄饨的时候有了新的灵感。
http://120.26.60.159/friendly/0.exe
分值:150
开题金币:150
奖励金币:200
源码:https://github.com/hduisa/hctf2015-all-problems/tree/master/re150

===================================================================

题目名称:来看看出题人疯了没
题目描述:在被各种CTF的题目蹂躏后,出题人已经彻底没救了(甜党万岁)。
http://120.26.60.159/mad/0.exe
分值:450
开题金币:450
奖励金币:300
源码:https://github.com/hduisa/hctf2015-all-problems/tree/master/RE-HCTF_450

===================================================================

题目名称: 复古的程序
题目描述: 出题人比较怀旧,还停留在计算机的启蒙时代
http://120.26.60.159/re-8086/1000.exe
分值: 250
开题金币: 250
奖励金币: 250
源码:https://github.com/hduisa/hctf2015-all-problems/tree/master/Re-x8086

===================================================================

题目名称: 欧洲人的游戏(你是欧洲人吗?)
题目描述: 听说,欧洲人和有钱人可以很快做出来
http://120.26.60.159/re-crc/1000.exe
分值: 250
开题金币: 250
奖励金币: 250
源码:https://github.com/hduisa/hctf2015-all-problems/tree/master/Re-crc

===================================================================

题目名称: 混沌ROP
题目描述: GeruzoniAnsasu给他的学弟讲解了一下rop是什么之后,学弟问到,程序代码全都写成rop的形式会是什么样?答:混沌邪恶。
http://120.26.60.159/chaos_rop/sample3
分值: 300
开题金币: 300
奖励金币: 250
源码:https://github.com/hduisa/hctf2015-all-problems/tree/master/chaos-rop

===================================================================

题目名称: PicMatching(别开这题=。=)
题目描述:
“警告:非信任面孔,禁止通行”
“恩?……我试试能不能伪造一个原主的样子,有点难”
*原图都是5个字符,让你们有点还原出图片的希望:)
http://120.26.60.159/picmatching/kpsample0
本体 http://120.26.60.159/picmatching/picmatch
分值: 450
开题金币: 600
奖励金币: 300
源码:https://github.com/hduisa/hctf2015-all-problems/tree/master/picmatching

===================================================================

PWN题目

libc ↓↓↓↓↓↓↓↓↓↓

http://120.26.60.159/libc/libc.so.32
http://120.26.60.159/libc/libc.so.64

libc ↑↑↑↑↑↑↑↑↑↑

题目名称: 教务处
题目描述: Explore给人写了个教务处管理系统。但是这货有点懒,什么东西都要求你按规定格式输入
nc 120.55.86.95 11111
http://120.26.60.159/pwn1/pwn1
分值: 300
开题金币: 300
奖励金币: 300
源码:https://github.com/hduisa/hctf2015-all-problems/tree/master/Pwn_JWC

===================================================================

题目名称: BrainFuck
题目描述: Fuck!! BrainFuck!!
nc 120.55.86.95 22222
http://120.26.60.159/pwn2/pwn2
分值: 100
开题金币:100
奖励金币: 200
源码:https://github.com/hduisa/hctf2015-all-problems/tree/master/Pwn_brainFuck

===================================================================

题目名称: Are you selling sword
题目描述:出题人最近在贩剑
nc 120.55.86.95 33333
http://120.26.60.159/pwn3/pwn3
分值:500
开题金币:500
奖励金币:300
源码:https://github.com/hduisa/hctf2015-all-problems/tree/master/Pwn_AreYouSellingSword

===================================================================

题目名称: What should I do
题目描述:I am a program, I don't know what should I do
nc 120.55.86.95 44444
http://120.26.60.159/pwn4/pwn4
分值:200
开题金币:200
奖励金币:200
源码:https://github.com/hduisa/hctf2015-all-problems/tree/master/Pwn_WhatShouldIDo

===================================================================

MISC题目

题目名称:What Is This
题目描述:这到底是啥东西?玩玩看?
http://120.26.60.159/WhatIsThis/what-is-this.1d9bb46782a411bdb72ac82590539826
flag为非标准形式。
分值:100
开题金币:100
奖励金币:200
源码:https://github.com/hduisa/hctf2015-all-problems/tree/master/WhatIsThis

===================================================================

题目名称:Andy(你们知道他是谁吗)
题目描述:Andy的通关密码(flag形式不是hctf{xxx},提交时请以hctf{flag}的形式提交。)
http://120.26.60.159/Andy/Andy.apk.f1bc4dcb815253922a6746316890c05e
分值:100
开题金币:100
奖励金币:200
源码:

===================================================================

题目名称:送分要不要?(萌新点我)
题目描述:这题还需要描述么?
http://120.26.60.159/EasyMisc/misc50.28c1c3807a6e3ff9da28b5774dc6fbb0
分值:50
开题金币:50
奖励金币:100
源码:https://github.com/hduisa/hctf2015-all-problems/tree/master/%E9%80%81%E5%88%86%E8%A6%81%E4%B8%8D%E8%A6%81%EF%BC%88%E8%90%8C%E6%96%B0%E7%82%B9%E6%88%91%EF%BC%89

===================================================================

题目名称:无聊的杂项题(出题人真无聊)
题目描述:这题真无聊
http://120.26.60.159/BoringMisc/boring.ca9c342905fa022d0377bf6a2886b01d
flag为非标准形式,且flag分两段,分别为flag1:hctf{xxx}和flag2:hctf{yyy},提交时请提交hctf{xxxyyy}

分值:250
开题金币:250
奖励金币:250
源码:https://github.com/hduisa/hctf2015-all-problems/tree/master/%E6%97%A0%E8%81%8A%E7%9A%84%E9%A2%98%EF%BC%88%E5%87%BA%E9%A2%98%E4%BA%BA%E7%9C%9F%E6%97%A0%E8%81%8A%EF%BC%89

===================================================================

题目名称:出题人真无聊(萌新别点)
题目描述:这是个图片你敢信?
http://120.26.60.159/FuckMisc/fuckme.a8a933dc732d06e2f45f953c7b0a4204
分值:500
开题金币:500
奖励金币:300
源码:https://github.com/hduisa/hctf2015-all-problems/tree/master/%E5%87%BA%E9%A2%98%E4%BA%BA%E7%9C%9F%E6%97%A0%E8%81%8A

===================================================================

题目名称:福利(萌新不要点啊!)
题目描述:多读书,flag确实在里面哟,就算你众筹来打出题人也没用。flag是HCTF{...}
http://120.26.60.159/BaGuaMisc/flag.png
分值:300
开题金币:300
奖励金币:400
源码:https://github.com/hduisa/hctf2015-all-problems/tree/master/bagua

===================================================================

题目名称: ShortBin
题目描述:GeruzoniAnsasu这么长id的人实际上是个非常懒的programmer...
120.55.113.21:9999
分值: 200
开题金币: 100
奖励金币: 200
源码:https://github.com/hduisa/hctf2015-all-problems/tree/master/misc-shortbin

===================================================================

题目名称: RedefCalc(PPC)
题目描述:GeruzoniAnsasu的舍友M大大最近去旁听了编译原理,回来问了一个问题把大家都难住了:为啥处理语法树的时候要有人为规定的优先级?如果优先级重新定义的话……
120.55.113.21:4799
分值:300
开题金币: 100
奖励金币: 300
源码:https://github.com/hduisa/hctf2015-all-problems/tree/master/ppc-redef-calc

===================================================================

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