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shesl's blog

🗿Elf文件分析指北

参考: https://linux-audit.com/elf-binaries-on-linux-understanding-and-analysis/ https://linux-audit.com/elf-binaries-on-linux-understanding-and-analysis/ https://lief.quarkslab.com/doc/stable/tutorials/05_elf_infect_plt_got.html http://blog.k3170makan.com/2018/10/introduction-to-elf-format-part-v.html http://dbp-consulting.com/tutorials/debugging/linuxProgramStartup.html https://stackoverflow.com/questions/34966097/what-functions-does-gcc-add-to-the-linux-elf 文件格式 ELF is the abbreviation for Executable and Linkable Format and defines the structure for binaries, libraries, and core files. The formal specification allows the operating system to interpreter its underlying machine instructions correctly. ELF files are typically the output of a compiler or linker and are a binary format. With the right tools, such file can be

🚚堆区如何进行内存分配

参考: 长亭科技, 堆的概念 http://p4nda.top/2018/03/20/tcache/ https://ctf-wiki.github.io/ctf-wiki/pwn/linux/glibc-heap/tcache_attack-zh/ 什么是堆 堆的一些特点: 堆是可以根据运行时的需要进行动态分配和释放的内存,大小可变; 堆的实现重点关注内存块的组织和

🔨Linux 常用命令手册

本篇在技术进步到 aigc 能力非常充分的现在,作为一个 Manual 的功能文档已经没有继续更新的必要,仅作为笔记留档一下。 通过 SSH 连接服务器 通过以下的命令通过 ssh 登