✨ simple execve shell for linux i386

Author: MattMoony

linux/i386/execve_sh.asm

@@ -0,0 +1,31 @@
+; launch /bin/sh using the execve syscall
+; pretty straightforward
+;
+; author @m4ttm00ny
+
+section .data
+
+section .bss
+
+section .text
+  global _start
+
+_start:
+  ; start like any other function
+  push  ebp
+  mov   ebp, esp
+  sub   esp, 0x8
+
+  ; prepare syscall
+  xor   ecx, ecx
+  xor   edx, edx
+  mov   DWORD [esp+0x4], 0x68732f
+  mov   DWORD [esp], 0x6e69622f
+  mov   ebx, esp
+  mov   eax, 0x0b
+  int   0x80
+
+  ; end like any other function
+  add   esp, 0x8
+  pop   ebp
+  ret