Smooth Operator·Mar 26, 2022x86 Linux Reverse TCP ShellcodeThis blog post is a part of SLAE exam series. In this part we will cover assignment #2: Reverse TCP Shellcode.
Inspiration </>·May 9, 2020XOR-DEC-NOT Shellcode CrypterRefers to secure information and communication techniques derived from mathematical concepts and a set of rule-based calculations called…
Inspiration </>·May 9, 2020Shellcode PolymorphismMutating the code while keeping the original algorithm intact, but the function of the code (its semantics) will not change at all. For…
Inspiration </>·May 9, 2020linux/x86/read_file AnalyzingThe shellcode will read the file specified by PATH and show its content to the FD (File Descriptor), default is STDOUT = 1.
Inspiration </>·May 9, 2020linux/x86/exec AnalyzingUsed to execute an arbitrary command using execve system call.
Inspiration </>·May 9, 2020XOR-Swap-Encoder Linux/x86The encoder may add junk bytes or do obfuscated functions, to make it harder to detect by AV engines or simply avoid bad characters (such…
![[ExpDev] Polymorphic Shellcode](https://miro.medium.com/v2/resize:fill:160:106/1*V17cn8V0hS7xmK6eTT8Jmw.png)
![[ExpDev] Polymorphic Shellcode](https://miro.medium.com/v2/resize:fill:320:214/1*V17cn8V0hS7xmK6eTT8Jmw.png)
![[ExpDev] Custom Shellcode Encoder](https://miro.medium.com/v2/resize:fill:160:106/0*L7xf-JQTNoa0fouk.jpg)
![[ExpDev] Custom Shellcode Encoder](https://miro.medium.com/v2/resize:fill:320:214/0*L7xf-JQTNoa0fouk.jpg)
![[ExpDev] Reverse TCP Shell](https://miro.medium.com/v2/resize:fill:160:106/1*k9pux17STGOKcmp3DguMbw.png)
![[ExpDev] Reverse TCP Shell](https://miro.medium.com/v2/resize:fill:320:214/1*k9pux17STGOKcmp3DguMbw.png)
![[ExpDev] Bind TCP Shellcode](https://miro.medium.com/v2/resize:fill:160:106/1*V2etu9cpyvG_aeP1LjyTdQ.png)
![[ExpDev] Bind TCP Shellcode](https://miro.medium.com/v2/resize:fill:320:214/1*V2etu9cpyvG_aeP1LjyTdQ.png)
