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<a class="post-title-link" href="/2021/04/10/vm-escape1/" itemprop="url">VM escape-QEMU Case Study</a></h1>
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1 Intro如今虚拟机已大量部署以供个人使用或在企业细分市场中使用。 网络安全供应商使用不同的VM在受控和受限的环境中分析恶意软件。 一个自然的问题出现了:恶意软件能否从虚拟机中逃脱并在主机上执行代码?
2015年来自CrowdStrike的Jason Geffner报告了QEMU中的一个严重
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<a class="post-title-link" href="/2021/03/02/DIR-802-OS-Command-Injection/" itemprop="url">DIR-802 OS Command Injection</a></h1>
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D-LINK DIR-802 命令注入漏洞
by Cool
漏洞已提交厂商https://supportannouncement.us.dlink.com/announcement/publication.aspx?name=SAP10206
漏洞类型CWE-78: Improper Neutra
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<a class="post-title-link" href="/2021/01/08/nvram-config/" itemprop="url">自动化获取nvram配置</a></h1>
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<span id="/2021/01/08/nvram-config/" class="leancloud_visitors" data-flag-title="自动化获取nvram配置">
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ARMX作者说nvram的内容必须从正在运行的设备中提取。一种方法是转储包含nvram数据的mtdblock /proc/mtd可能有助于识别哪个mtdblock包含nvram。另一种方法是如果您可以通过UART进行命令行访问当然可以访问实际的硬件某些固件会提供nvram命令运行“ n
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<a class="post-title-link" href="/2021/01/08/Netgear-psv-2020-0211/" itemprop="url">Netgear_栈溢出漏洞_PSV-2020-0211</a></h1>
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固件模拟与UPnP栈溢出利用https://kb.netgear.com/000062158/Security-Advisory-for-Pre-Authentication-Command-Injection-on-R8300-PSV-2020-0211 https://ssd-disclosur
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海豚音攻击-复现文章中提到两种方案,一是具有信号发生器的强大变送器,二是带有智能手机的便携式变送器;前一种方案成本过于高,本文不做分析,后一种方案的实现成本在我们可接收的范围。但原文中对后一方案的实现没有太多介绍,于是我通过邮件咨询了作者-闫琛博士,闫博士非常友好,我是在晚上十点发送的第一封邮件,差
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海豚音攻击https://acmccs.github.io/papers/p103-zhangAemb.pdfhttps://github.com/USSLab/DolphinAttackhttps://zhuanlan.zhihu.com/p/29306026
Abstract诸如Siri或Goo
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研一的时候参加了第一届datacon可惜因为课程任务太重了最后连答案都没提交。今年和研一两位师弟师妹组队参加本以为又要躺过去了最后被两位的热情感染完成了比赛还取得不错的成绩也算是完成了研究生阶段的一个小遗憾。我之前没做过数据分析也没接触过邮件安全借这次赛题好好的补了一课第一题是识别发
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信息收集+常规owasp top 10+逻辑漏洞https://www.freebuf.com/sectool/94777.html
测试范围:.i.mi.com .cloud.mi.com
0x01 信息收集https://wh0ale.github.io/2019/02/22/SRC
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Pwnable.tw start程序链接https://pwnable.tw/static/chall/start
0x01 检查保护情况不得不说checksec这个工作看似简单用用现成工具就行但这决定了我们之后漏洞利用的方式是否栈代码执行还是ROP。最好多用几个工具进行检查兼听则明。
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0x00 背景与简介在分析嵌入式设备的固件时只采用静态分析方式通常是不够的你需要实际执行你的分析目标来观察它的行为。在嵌入式Linux设备的世界里很容易把一个调试器放在目标硬件上进行调试。如果你能在自己的系统上运行二进制文件而不是拖着硬件做分析, 将会方便很多这就需要用QEMU进行仿真。虽
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