参考链接:https://ctftime.org/task/6264 题目 It's a media PC! All fully purchased through the online subscription revolution empire "GimmeDa$". The PC has a remote control service running that looks like it'll cause all kinds of problems or that was wr…

参考链接:https://ctftime.org/task/6263 题目 After unpacking the firmware archive, you now have a binary in which to go hunting. Its now time to walk around the firmware and see if you can find anything. 点我下载 解题过程 解压之后是个.ext4文件,可以用zip来解压哦.解压后root目录里有个.media…

目录 文章目录 目录 前言 OpenStack 一年来的成长 Nova Cinder Neutron Ironic Cyborg Octavia Kolla Magnum Zun Kuryr 从 OpenStack 到 OpenInfra 前言 这是最好的时代,也是最坏的时代 - - 查尔斯·约翰·赫芬姆·狄更斯<双城记> 年关将至,闲暇之余,回顾我与 OpenStack 的 2018. NOTE:本文内容仅作为个人见解,与公司及合作伙伴无关. OpenStack 一年来的成长 首先,不妨从…

目录 题目汇总 Reverse 签到题 Web Web中等难度 Crypto 基础网站 各类工具 综合 Web Payloads 逆向 Pwn 取证 题目汇总 这里收集了我做过的CTF题目 Reverse 签到题 Google Capture The Flag 2018 (Quals) - Reverse - Beginner's Quest - Gatekeeper 用strings直接查找字符串就能做的题 Google Capture The Flag 2018 (Quals) - Begi…

2018 CISCN reverse wp 这题比赛的时候没做出来,主要是心态崩了看不下去..赛后看了下网上的wp发现不难,是自己想复杂了.这里将我的思路和exp放出来,希望大家一起交流学习. main函数 它首先是check了输入的前六个字符是否与"CISCN{"匹配,接着使用strtok函数将字符串以"_"分割为三部分,然后分别对这三部分check. sub_4012DE函数 关键部分如下 将第一部分的字符串经过以上变换后与一串MD5值5BH8170528842…

1.有一张无向图,现在要给每个点染上黑色或白色,最后每个点的染色代价是它与离这个点最近的不同色节点的距离.求最小代价.所有边权$\geq 0$且互不相同. 分三种情况: 两点都染了色:两点都跟其它点算过最小距离了,不用管. 一点染了色:相当于扩展连通块,染了色的点向没染色的点扩展染色,颜色相同. 两点都没染色:两点直接相连(且边长是最短距离). 2.题目大意同上,求得到最小代价的方案数. 0的边两边的点有多少个子树,方案数就累加上2的多少次方. 3.一张无向图,给每条边染两种颜色之一,使每个度大…

目录 1. 出发 A. 安装 B. 设置机器身份 C. 创建版本(仓)库 repository D. 可管理文件 2. 基础操作 A. 添加文件至仓库 B. 修改文件并查看修改 C. 查看历史变动 D. 版本回退 E. 工作区和暂存区 F. 管理修改的概念 G. 撤销修改 H. 删除文件 3. Git 的杀手锏一:远程仓库 A. 添加远程仓库 B. 推送上去 C. 从远程库克隆 参考(强烈推荐):廖雪峰的 Git 教程. 1. 出发 A. 安装 输入 git 查看是否已安装. 如果没有安装,安装…

ACM-ICPC 2018 南京赛区网络预赛 E题 题目链接: https://nanti.jisuanke.com/t/30994 Dlsj is competing in a contest with n (0 < n \le 20)n(0<n≤20) problems. And he knows the answer of all of these problems. However, he can submit ii-th problem if and only if he has s…

原文链接:https://medium.com/hack-with-github/black-hat-arsenal-usa-2018-the-w0w-lineup-7de9b6d32796 Black Hat Arsenal USA 2018 - The w0w lineup After the huge success of Black Hat Arsenal USA 2017, @toolswatch has now announced the list of tools selected…

日常英语---七.[Updated November 14 at 4:10 PM PST] Scheduled Game Update - November 14, 2018(n.标准) 一.总结 一句话总结: PST-abbr.太平洋标准时间-Pacific_Standard_Time November-[nə(ʊ)'vembə]-十一月 ['stændəd]-n.标准 [太平洋标准时间11月14日太平洋标准时间下午4:10更新]预定游戏更新 - 2018年11月14日 PST [pst] …

Plants vs. Zombies Time Limit: 2 Seconds      Memory Limit: 65536 KB BaoBao and DreamGrid are playing the game Plants vs. Zombies. In the game, DreamGrid grows plants to defend his garden against BaoBao's zombies. Plants vs. Zombies(?) (Image from pi…

前言 本文对强网杯 中除了 2 个内核题以外的 6 个 pwn 题的利用方式进行记录.题目真心不错 程序和 exp: https://gitee.com/hac425/blog_data/blob/master/qwb2018/ 正文 silent 漏洞 在 free 的时候指针没有清空,而且程序没有 检测指针是否已经被释放 double free, 后面的 编辑功能也没有检验指针是否已经被 free ,所以 uaf signed __int64 free_() { int i; // [rsp…

团队构成: 队员学号姓名队长标注: 031602114--胡绪佩(队长) 031602113--何宇恒 081600410--胡青元 031602627--刘恺琳 031602525--刘一好 031602543--周政演 031602511--何家伟 031602513--黄鸿杰 031602510--葛家灿 031602539--翟丹丹 团队成立时间:2018.9.19 团队第一次会议: 第一次会议时间:2018.9.21 第一次会议记录(第一次记录的不是很好): 记录人: 胡绪佩 会议目的…

Gartner 2018 年WAF魔力象限报告:云WAF持续增长,Bot管理与API安全拥有未来 来源 https://www.freebuf.com/articles/paper/184903.html AngelaY  2018-09-19  *AngelaY 编译整理,转载请注明来自 FreeBuf.COM 8 月 29 日,Gartner 发布 2018 年度 Web 应用防火墙(WAF)魔力象限,这是 Gartner 自 2014 年之后连续第五年发布此类报告.报告中照例描述了全球 W…

任意门:http://acm.hdu.edu.cn/showproblem.php?pid=6319 Problem A. Ascending Rating Time Limit: 10000/5000 MS (Java/Others)    Memory Limit: 524288/524288 K (Java/Others)Total Submission(s): 5943    Accepted Submission(s): 2004 Problem Description Before…

传送门 题面: In a world where ordinary people cannot reach, a boy named "Koutarou" and a girl named "Sena" are playing a video game. The game system of this video game is quite unique: in the process of playing this game, you need to consta…

PHP实验 实验一 <?php /** * Created by PhpStorm. * User: qichunlin * Date: 2018/5/17 * Time: 下午5:35 */ echo "请输入要排序的数字:<br/>"; echo "<form method=post>"; //循环生成文本框 for ($i = 1; $i < 6; $i++) { //文本框的名字是数组名 echo "<in…

我是铁牌选手 这次比赛非常得爆炸,可以说体验极差,是这辈子自己最脑残的事情之一. 天时,地利,人和一样没有,而且自己早早地就想好了甩锅的套路. 按理说不开K就不会这么惨了啊,而且自己也是毒,不知道段错误也可以是MLE,而且我的内存就是卡了那么一点点,在比赛紧张的状态下人也变傻了吧. 这次的题目难度是两边到中间一次递增的,但是我也不懂榜怎么会那样  A Peak Time Limit: 1 Second      Memory Limit: 65536 KB A sequence of  inte…

轻轻松松也能拿到区域赛名额,CCPC真的好难 An Olympian Math Problem 问答 只看题面 54.76% 1000ms 65536K   Alice, a student of grade 66, is thinking about an Olympian Math problem, but she feels so despair that she cries. And her classmate, Bob, has no idea about the problem. T…

In a world where ordinary people cannot reach, a boy named "Koutarou" and a girl named "Sena" are playing a video game. The game system of this video game is quite unique: in the process of playing this game, you need to constantly fac…

第一次就去拉了点思维很神奇的CF题目 2018省赛赛第一次训练 # Origin Title     A CodeForces 607A Chain Reaction     B CodeForces 385C Bear and Prime Numbers     C CodeForces 670D2 Magic Powder - 2     D CodeForces 360B Levko and Array     E CodeForces 68B Energy exchange     F…

占坑,明天写,想把D补出来一起写.2/20/2018 11:17:00 PM ----------------------------------------------------------我是分割线------------------------------------------------------- 我来了,本来打算D题写到一起的,但是有新的东西要写,D就单独写一篇,这里写A,B,C: 开启智障模式:(看我咸鱼突刺的厉害( • ̀ω•́ )✧)   2/21/2018 10:46:…

"Oh, There is a bipartite graph.""Make it Fantastic." X wants to check whether a bipartite graph is a fantastic graph. He has two fantastic numbers, and he wants to let all the degrees to between the two boundaries. You can pick up sev…

A family of nn gnomes likes to line up for a group picture. Each gnome can be uniquely identified by a number 1..n1..n written on their hat. Suppose there are 55 gnomes. The gnomes could line up like so: 1, 3, 4, 2, 51,3,4,2,5. Now, an evil magician…

Consider an n \times mn×m matrix of ones and zeros. For example, this 4 \times 44×4: \displaystyle \begin{matrix} 1 & 1 & 1 & 1 \\ 0 & 1 & 1 & 1 \\ 0 & 1 & 1 & 1 \\ 0 & 1 & 1 & 0 \end{matrix}1000​1111​1111​1…

Consider nn initial strings of lower case letters, where no initial string is a prefix of any other initial string. Now, consider choosing kk of the strings (no string more than once), and concatenating them together. You can make this many such comp…

目录 A. Hard to prepare B.BE, GE or NE F.Features Track G.Trace H.Ryuji doesn't want to study I.Characters with Hash J. Maze Designer A. Hard to prepare After Incident, a feast is usually held in Hakurei Shrine. This time Reimu asked Kokoro to deliver…

D.Made In Heaven One day in the jail, F·F invites Jolyne Kujo (JOJO in brief) to play tennis with her. However, Pucci the father somehow knows it and wants to stop her. There are NN spots in the jail and MM roads connecting some of the spots. JOJO fi…

写在前面:简单的PS是每一个前端开发者必备的技能,官方的PS安装包是需要购买的,但是可以免费的体验7天. 01 下载安装包,根据自己电脑的系统 Photoshop CC2018/64位下载地址:链接:https://pan.baidu.com/s/15Ds_BFGj7lk5AFXVsukIbA密码:v6oaPhotoshop CC2018/32位下载地址:链接:https://pan.baidu.com/s/1nUpHoIZHl_s17K_FloV1Hg密码:5kvr 下载后是一个压缩包,解压到…

Symptom You have questions related to the SAP HANA memory. You experience a high memory utilization or out of memory dumps. Environment SAP HANA Cause 1. Which indications exist for SAP HANA memory problems?2. How can I collect information about the…