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x86 Assembly Language and Shellcoding on Linux - SLAE

Source code, tools and binaries for Pentester Academy x86 Assembly Language and Shellcoding on Linux course.

This blog post has been created for completing the requirements of the SecurityTube Linux Assembly Expert certification.

Compiled on Ubuntu Mate 18.04 64-bit.

Student ID: PA-7449

Assignment 1: Create Shell_Bind_TCP shellcode

NASM: bindtcp.nasm

Shellcode generator: bindtcp.py

Shellcode tester: bindtcp.c

Call graph: shell.png

Binary: bindtcp

Assignment 2: Reverse Shell TCP shellcode

NASM: reversetcp.nasm

Shellcode generator: reversetcp.py

Shellcode tester: reversetcp.c

Call graph: shell.png

Binary: reversetcp

Assignment 3: Create egghunter demo with configurable second stage

NASM: egghunter.nasm

Shellcode tester: egghunter.c

Call graph: shell.png

Binary: egghunter

Assignment 4: Create custom encoding with execve stack shellcode

NASM: decode.nasm

Encoder: encode.py

Binary: decode_shellcode (ELF)

Assignment 5: Analyze at least 3 shellcode from msfpayload linux/x86

Notes: notes.txt

chmod graph: chmod.png

readpasswd graph: readpasswd.png

revshell graph: revshell.png

Assignment 6: Create polymorphic version for 3 shellcodes from Shell-Storm (not larger than 150%)

Polymorphic shellcode and C source polymorph

Assignment 7: Create custom crypter for shellcode in any language

Source: crypter.py

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