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Linux Shellcoding
“Linux Shellcoding for Security Professionals”
Hello everyone,
Today we are going to learn about Linux Shellcoding and go through with Practical knowledges.
shellcode
Writing shellcode is a great way to learn more about assembly language and how a program interacts with the operating system.
Why do red teamers and penetration testers write shellcode? Because in real situations, shellcode can be injected into a running program to make it do something it wasn’t designed to do, such as buffer overflow attacks.
Therefore, shellcode is often used as the “payload” in an exploit.
Why is it called “shellcode”? Historically, shellcode is machine code that, when executed, opens a shell.
Shellcode plays a crucial role in penetration testing and red teaming for several reasons:
- Understanding Low-Level Operations: Writing shellcode requires a deep understanding of assembly language and how programs interact with the operating system at a low level.
- Payload for Exploits : Shellcode is often used as the payload in exploits. When a vulnerability such as a buffer overflow is exploited, shellcode can be injected into a running process to execute arbitrary commands.
- Evasion and Obfuscation: Crafting effective shellcode involves techniques to evade detection by antivirus and intrusion detection systems.
