Brett Lischalk
  • Opcode Script

    Opcodes from Assembly Instructions

    January 15, 2017 - 1 minute read - asm opcodes
  • SLAE Problem 7: Create a Custom Crypter

    SLAE Problem 7: Create a Custom Crypter

    January 10, 2017 - 10 minute read - asm shellcode crypter
  • SLAE Problem 6: Shell-Storm.com Shellcode Analysis and Polymorphic Modification

    SLAE Problem 6: Shell-Storm.com Shellcode Analysis and Polymorphic Modification

    January 9, 2017 - 17 minute read - asm shellcode polymorphic
  • SLAE Problem 5.3: Msfvenom Analysis of linux/x86/exec

    Analysis of Msfvenom shellcode: linux/x86/exec

    January 3, 2017 - 5 minute read - asm shellcode msfvenom
  • SLAE Problem 5.2: Msfvenom Analysis of linux/x86/adduser

    Analysis of Msfvenom shellcode: linux/x86/adduser

    January 3, 2017 - 6 minute read - asm shellcode msfvenom
  • SLAE Problem 5.1: Msfvenom Analysis of linux/x86/shell_reverse_tcp

    Analysis of Msfvenom shellcode: linux/x86/shell_reverse_tcp

    January 3, 2017 - 4 minute read - asm shellcode msfvenom
  • SLAE Problem 4: Custom Encoding Scheme

    A demonstration of a custom encoding scheme

    December 23, 2016 - 8 minute read - asm shellcode c encoding
  • SLAE Problem 3: Egg Hunter Demonstration

    A demonstration of an egg hunter searching for shellcode

    December 22, 2016 - 9 minute read - asm shellcode c egg hunter
  • SLAE Problem 2: Reverse TCP Shellcode

    A nice walkthrough of creating a reverse shellcode from scratch

    December 20, 2016 - 12 minute read - asm shellcode c
  • SLAE Problem 1: TCP Bind Shell Shellcode

    From my experience playing around with socket programming in C and Python, there is a basic formula and group of function calls for creating clients and servers. Most of them will be useful to us. A couple won't be applicable to our situation.

    December 18, 2016 - 14 minute read - asm shellcode c
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