> For the complete documentation index, see [llms.txt](https://xu-an.gitbook.io/sec/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://xu-an.gitbook.io/sec/lan.md).

# 编程语言

- [C](https://xu-an.gitbook.io/sec/lan/c.md)
- [Java](https://xu-an.gitbook.io/sec/lan/java.md)
- [webshell](https://xu-an.gitbook.io/sec/lan/java/shell.md)
- [查杀Java web filter型内存马](https://xu-an.gitbook.io/sec/lan/java/shell/chasha.md)
- [Filter/Servlet型内存马的扫描抓捕与查杀](https://xu-an.gitbook.io/sec/lan/java/shell/untitled.md)
- [基于内存 Webshell 的无文件攻击技术研究](https://xu-an.gitbook.io/sec/lan/java/shell/webshell.md)
- [基于tomcat的内存 Webshell 无文件攻击技术](https://xu-an.gitbook.io/sec/lan/java/shell/tomcat.md)
- [Tomcat 内存马检测](https://xu-an.gitbook.io/sec/lan/java/shell/tomcat-1.md)
- [代码审计](https://xu-an.gitbook.io/sec/lan/java/shenji.md)
- [代码审计指南](https://xu-an.gitbook.io/sec/lan/java/zhinan.md)
- [浅析Java命令执行](https://xu-an.gitbook.io/sec/lan/java/rce.md)
- [相关框架简介及漏洞](https://xu-an.gitbook.io/sec/lan/java/kj.md)
- [PHP](https://xu-an.gitbook.io/sec/lan/php.md)
- [代码审计](https://xu-an.gitbook.io/sec/lan/php/shenji.md)
- [破解DVWA-admin密码](https://xu-an.gitbook.io/sec/lan/php/dvwa.md)
- [webshell](https://xu-an.gitbook.io/sec/lan/php/wbsl.md)
- [常见php一句话webshell解析](https://xu-an.gitbook.io/sec/lan/php/wbsl/cj.md)
- [PHP Webshell Hidden Learning](https://xu-an.gitbook.io/sec/lan/php/wbsl/pwhl.md)
- [Webshell免杀研究](https://xu-an.gitbook.io/sec/lan/php/wbsl/miansha.md)
- [Webshell那些事-攻击篇](https://xu-an.gitbook.io/sec/lan/php/wbsl/wbsel.md)
- [过D盾webshell分享](https://xu-an.gitbook.io/sec/lan/php/wbsl/bypassd.md)
- [相关框架简介及漏洞](https://xu-an.gitbook.io/sec/lan/php/kj.md)
- [python](https://xu-an.gitbook.io/sec/lan/py.md)
- [安全编码规范-代码审计](https://xu-an.gitbook.io/sec/lan/py/secgf.md)
- [编码规范](https://xu-an.gitbook.io/sec/lan/py/gf.md)
- [fishc](https://xu-an.gitbook.io/sec/lan/py/fishc.md): 此选项为小甲鱼《零基础入门学习python（第二版）》对应内容，所有涉及脚本将会写在这里
- [某教程涉及脚本](https://xu-an.gitbook.io/sec/lan/py/jiaob.md)
- [POC编写相关](https://xu-an.gitbook.io/sec/lan/py/poc.md)
- [python秘籍](https://xu-an.gitbook.io/sec/lan/py/miji.md)
- [上半部分](https://xu-an.gitbook.io/sec/lan/py/miji/up.md)
- [下半部分](https://xu-an.gitbook.io/sec/lan/py/miji/down.md)
- [安全方面的内容](https://xu-an.gitbook.io/sec/lan/py/secu.md)
- [Python Opcode逃逸笔记](https://xu-an.gitbook.io/sec/lan/py/secu/opcode.md)
- [虚拟机逃逸](https://xu-an.gitbook.io/sec/lan/py/secu/vm.md)
- [with-EXCEL](https://xu-an.gitbook.io/sec/lan/py/excel.md)
- [相关框架简介及漏洞](https://xu-an.gitbook.io/sec/lan/py/kj.md)
- [源码剖析](https://xu-an.gitbook.io/sec/lan/py/ympx.md)
- [多线程和GIL锁](https://xu-an.gitbook.io/sec/lan/py/ympx/gil.md)
- [Set容器](https://xu-an.gitbook.io/sec/lan/py/ympx/setobj.md)
- [统一内存管理](https://xu-an.gitbook.io/sec/lan/py/ympx/obmalloc.md)
- [信号处理机制](https://xu-an.gitbook.io/sec/lan/py/ympx/signal.md)
- [循环垃圾回收器](https://xu-an.gitbook.io/sec/lan/py/ympx/gc.md)
- [字符串对象PyStringObject](https://xu-an.gitbook.io/sec/lan/py/ympx/str.md)
- [整数对象PyIntObject](https://xu-an.gitbook.io/sec/lan/py/ympx/zs.md)
- [字节码和虚拟机](https://xu-an.gitbook.io/sec/lan/py/ympx/bvtm.md)
- [汇编](https://xu-an.gitbook.io/sec/lan/huibian.md)
- [Javascript](https://xu-an.gitbook.io/sec/lan/javascript.md)
- [Tampermonkey Script](https://xu-an.gitbook.io/sec/lan/javascript/tampermonkey-script.md)


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