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TL；DR
近期参加了OffSec蓝队方向应急响应相关的学习课程IR-200，以及参加了OSIR认证并获取了证书，在整个过程中感觉还是学到了很多应急方面的知识技能，简单总结一下这次的OSIR学习和考证之旅供大家参考。
因为这个认证课程是在24年10月份左右推出，不像网上一些其它课程参考资料和经验文
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Linux LKM Rootkit简介与排查
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https://xz.aliyun.com/t/14548 （记录某次”有趣的”挖矿木马排查），这篇关于应急的文章写的不错，排查点基本上都排查到了，感觉就是差了个在入侵时间点范围内被修改过的文件这个角度去排查，但瑕不掩瑜，整个文章的亮点还是比较多，尤其是LKM的发现，之前没对LKM什么了解，遂简单学
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栈溢出常见利用方式ret2textret2syscallret2shellcoderet2libcropchain栈溢出防护canary
CANNARY(栈保护) –金丝雀 又称为stack guard1金丝雀，以前矿工进入矿坑时候会带一只金丝雀下去，如果矿坑内有有毒气体，金丝雀就会鸣叫甚至死亡，同
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sagemath
sagemath安装
有时候需要使用crypto库那么需要pip安装一下 pip install pycryptodome，注意 1.需要在sagemath shell中执行 2.可能需要fq 3.需要管理员权限执行
sagemath 的目录和windows的目录关系，直接看图
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web扫描笔记
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