Gray Hat Hacking, Second Edition, 2nd Edition

Chapter 9. Shellcode Strategies

This chapter discusses various factors you may need to consider when designing or selecting a payload for your exploits. The following topics will be covered

• User space shellcode

• System calls

• Basic shellcode

• Port binding shellcode

• Reverse connect shellcode

• Find socket shellcode

• Command execution shellcode

• File transfer shellcode

• Multi-stage shellcode

• System call proxy shellcode

• Process injection shellcode

• Shellcode encoding

• Shellcode corruption

• Disassembling shellcode

In Chapters 7 and 8, you were introduced to the idea of shellcode and shown how it is used in the process of exploiting a vulnerable computer program. Reliable shellcode is at the heart of virtually every exploit that results in “arbitrary code execution,” a ...